TR-13-84.pdf (2.582Mb)

NILU TR 13/84 REFERENCE: 0-8118

DATE NOVEMBER 1984

PRECIPITATION AND AIR CHEMISTRY AT THE NDRHEGIAN BACKGROUND

STATIONS. 1977-1979

E. Joranger and K. Hoem

NORWEGIAN INSTITUTE FOR AIR RESEARCH P.O. BOX 130, N-2001 LILLESTRØM

NORWAY

Translation list

2 3

4

5

6 7

belastning våtavsetning mangler mnd nedbør

,. av norm. nedbør ONMI 1931-60

stasjon

ubetydelig nedbør

8 9

ar .

luft

- wet deposition - wet deposition

- month with data missing - precipitation

- percentage of the mean precipitation amount at 0NMI stations 1931-60

- station

- insignificant amount of precipitation

- year

- air

2

ISBN 82-7247-530-8

]

PRECIPITATION- AND AIR CHEMISTRY AT THE NORWEGIAN BACKGROUND STATIONS. 1977-79

The precipitation and air chemistry data presented in this report for the 3-year period 1977-1979 are based on chemical analyses

1971-1982,

At most

Eight of

stations

network,

and

of

locations of the sampling sites are shown in Figure 1. Some of these sites have been in operation for a longer period.Table 1 lists stations which have been

Granat

with

sampling frequency, analysis programme etc. Reference is

to earlier reports for description of sampling and analytical methods (e.g. 12).

of the stations the measurements have been made on a daily basis. Results of the daily measurements (1971-76)

all stations except Bjørnøya, have been presented in 6 reports ( Schjoldager, 1973 1

. Schjoldager 1973 2

, Schjoldager 1974, Schjoldager 1975, Schaug and Joranger 1978 ¹ , Schaug and Joranger 1978

2

l.

the

samples at 24 background stations in Norway. The

stations were project until 1979

are also

general

( L.

part

information

Overein

concentrations of the main of

in

operated

the et

operation

Monitoring and Evaluation of the Long

concerning

al. ,

Range Air Pollution in Europe (EMEP) since 1978.

components are

in

198 0 l , the

and

period location,

as part of the SNSF- these co-operative programme for

Transmission made

from

of

Daily measurements of sulphur dioxide and particulate sulphate has been made at selected stations.

The monthly precipitation sampling station at Ås and Kise were started in 1954 and 1956 initially as a part of a Scandinavian which was later extended to include a larger part of Europe (Eriksson, 1954). Earlier data published by Låg ( 196 3)

(1972) show that at Ås and Kise, the monthly mean

generally higher

4

than measured

sampling. This is probably due to greater dry deposition

local and long-range transported pollutants when using monthly bulk sampling. In addition,

sampler may

All data

The tables are

at

cause

the

presented

stations with

the

daily

evaporation

precipitation

from the

from

bulk higher concentrations particularly in the summer season and with small precipitation amounts.

as monthly and yearly values and as weighted means concentrations in precipitation.

The daily values are available at NILU.

(in Norwegian) are not numbered. Table titles are listed in pages 6-8.

REFERENCES

( 1 ) Eriksson, E.

( 2 ) Granat, L.

( 3)

Låg, J.

( 4)

Overrein, L.N.

Seip, H.M.

Tollan, A.

Report of an informal conference in atmospheric chemistry held at the Meteorological Institute, University of Stockholm 24-26, May 1954.

Tellus, Q, 302-307 (1954).

Deposition of sulfate and acid with precipitation over Northern Europe.

Stockholm 1972. (University of Stockholm, Institute of

Meteorology. Report AC-20).

Tilføring av plantenæringstoffer med nedbøren i Norge.

Forsk. Fors. Landb., .il, 553-563 ( 196 3) .

Acid precipitation - effects on

forest and fish. Final report of the SNSF-project 1972-80.

Oslo 1980. (SNSF FR 19/80.)

( 5 ) The OECD programme on long range

transport of air pollutants.

Measurements Paris, OECD,

and findings.

1 9 7 7 .

5

( 6 )

Schaug, J.

Joranger, E.

( 7)

Schaug, J.

Joranger, E.

( 8 ) Schjoldager, J.

( 9 ) Schjoldager, J.

(10) Schjoldager, J.

(11) Schjoldager, J.

(12) Statens forurens- ningstilsyn

Nedbør, og luftkvalitet ved norske bakgrunnstasjoner i 1975.

Li 11 est røm 1 9 7 8 . (NIL U TN 1 3 / 7 7 . )

Nedbør, og luftkvalitet ved norske bakgrunnstasjoner i 1976.

Lillestrøm 1978. (NILU TN 11/78.)

Svovelforurensninger i luft og

nedbør ved norske bakgrunnstasjoner.

Døgnmålinger nov. 1971-juni 1972.

Kjeller 1973. (NILU TN 52/73.)

Svovelforurensninger i luft og

nedbør ved norske bakgrunnstasjoner.

Døgnmålinger 2. halvår 1972.

Kjeller 1973. (NILU TN 65/73.)

Svovelforurensninger i luft og

nedbør ved norske bakgrunnstasjoner.

Døgnmålinger 1973.

Kjeller 1974. (NILU TN 82/74.)

Svovelforurensninger i luft og

nedbør ved norske bakgrunnstasjoner.

Døgnmålinger 1974.

Kjeller 1975. (NILU TN 9/75.)

Overvåking av langtransportert foru- renset luft og nedbør.

Oslo 1981. (Statlig program for forurensnignsovervåking.

(SFT-rapport nr 26/81.)

6

Page

Figure 1: Norwegian background stations, 1977-79 9 Table 1: List of precipitation chemistry stations,

1971-82

^{1 0}

Weighted yearly mean concentrations of precipitation components 1977

Yearly wet depositions of precipitation components, 1977

Mean values of pH in precipitation, 1977 Mean concentrations of

Mean concentrations of Mean concentrations of

so -s

4

NO -N

3

NH -N

4

in in in

precipitation, precipitation, precipitation,

1977 1977 1 9 77 Mean concentrations of Ca in precipitation, 1977 Mean concentrations of Mg in precipitation, 1977 Mean concentrations of Na in precipitation, 1977 Mean concentrations of Cl in precipitation, 1977 Mean concentrations of Kin precipitation, 1977 Amounts of precipitation, 1977

Wet deposition of strong acid (H+), Wet deposition of so

4 -s, ¹⁹⁷⁷

Wet deposition of N0

3 -N, 1977 Wet deposition of NH -N 1977

4 '

Wet deposition of Ca, 1977 Wet deposition of Mg, 1977 Wet deposition of Na, 1977 Wet deposition of Cl, 1977 Wet deposition of K, 1977 Mean concentrations of so

2 in air, 1977 Mean concentrations of so

4 in air, 1977 1 9 7 7

1 3 2

1 4 3 1

4 4

1 5 5

1 5 6

1 5 7

1 6 8

1 6 9

1

6 1 0

1 7 1 1

1 7

1

2

1 7 1 3

1 8 1 4

1 8 1 5

1 9 1 6

1 9 1 7

1 9 1 8

2 0

1 9

2 02 0

2 02 1

2 02 2

202 3

7

Page Weighted yearly mean concentrations of precipitation

components 1978

Yearly wet depositions of precipitation components, 1978

Mean values of pH in precipitation, 1978 Mean concentrations

Mean concentrations Mean concentrations

of of of

so -s

4

NO -N

3

NH -N

4

Mean concentrations of Ca in

in precipitation, 1978 in precipitation, 1978 in precipitation, 1978 precipitation, 1978 Mean concentrations of Mg in precipitation, 1978 Mean concentrations of Na in precipitation, 1978 Mean concentrations of Cl in precipitation, 1978 Mean concentrations of Kin precipitation, 1978 Amounts of precipitation, 1978

Wet deposition of strong acid (H+). 1978 Wet deposition of so -s 4 • 197 8

Wet deposition of NO -N 197 8

3 '

Wet deposition of NH -N 4 • 197 8 Wet deposition of Ca, 1978 Wet deposition of Mg, 1 9 7 8 Wet deposition of Na, 1978 Wet deposition of Cl, 197 8 Meandeposition of K, 197 8

Mean concentrations of SO in air, 1978

2

concentrations of so

4 in air. 1978

232

2 4 3 2 4 4 2 5 5 2 5 6 2 6 7 2 6 8 2 7 9 2 7 1 0 2 7 1 1 2 7 1 2

2813

2 8 1 4 2 8 1 5 2916

2 9 1 7

2 9 1 8

3 0 1 9

3 02 0

3

02

1

3 02 2 3 02 3

8

Page Weighted yearly mean concentrations of precipitation

components 1979

Yearly wet depositions of precipitation components, 1979

Mean values of pH in precipitation, 1979 Mean concentrations of

Mean concentrations of Mean concentrations of

so -s

4

NO -N

3

NH -N

4

Mean concentrations of Ca in

in precipitation, 1979 in precipitation, 1979 in precipitation, 1979 precipitation, 1979 Mean concentrations of Mg in precipitation, 1979 Mean concentrations of Na in precipitation, 1979 Mean concentrations of Cl in precipitation, 1979 Mean concentrations of Kin precipitation, 1979 Amounts of precipitation, 1979

Wet deposition of strong acid Wet deposition of so

4 -s. ¹⁹⁷⁹

Wet deposition of NO

3

-N, 1979 of NH -N

_{4 •}

1979 of Ca, 1979 of Mg, 1979 of Na, 1979 of Cl, 1979 Wet deposition

Wet deposition Wet deposition Wet deposition Wet deposition

Mean deposition of K, 1979

( H ) •

+

1979

Mean concentrations of SO in air, 1979

2

concentrations of so

4 in air, 1979

3i

3 3 3

3 4 4

3 4 5

3 5 6

3 5 7

3 6 8

3 6 9

3 6 1 0

3 6 1 1

3 7 1 2

3 7 1 3

3 7 1 4

3 8 1 5

3 8 1 6

3 8 1 7

3918

3 91 9

3 92 0

4 02 1

4 02 2

4 02 3

9

, ... , .

/) 32 ,,. ' '

X :• , ... ,'

^---1 '

,"-

...

_

... I I

,,,..,

I

,

I

I I I I

.

\ I

,- -·

,

I I

'

I I I I

36 I

3>.J( '

u ^1~·-

XK1sE' x:

'

\

34

X -sx _X

²⁹

Figure 1: Norwegian background stations, 1977-79.

See Table 1 for number references.

1 0

Table list of precipitation chemistry stations,1971-82.

C 0

.. _.. ^.,

':;!I

-<:S M .. Q, C-<

:: Ko

0.M

5 ..

"'--+---;

,c Iii X M M M Iii X ,c X X M M M N X M M ,c M M M X M M M M W N M M M X M M IC Iii ,c M

M M

M M M M M M M

s ..

co

. _~

lø .. ..

N 11"1 N ,.._

,..

,... ,... ,...

I M _. I.I 0.

a. :, D. •

< .., < ut

~~~~~~: _{- -} - _-

C

~ : ~ ~

a : ~ ~

.!: g: 5

.. .. ..

... N"' "'. NN

• I I

; ~ ¥

:t.

~ < Q Ill(

W., IO ,o ,.._

,... ,... ,... ,...

.,

0 0

¥

I I I I

-

11'1 .... "' .,, ,...

r,. IO N e \0 ,., ~:::: ,... in

i

0

C

. t

0

z

•

.c

.,

,2

..

. . .

. . ...

• ... Q, ... Q, ~

~ : .

• >,

>, ...

>, ... .c

... .,, .,

-< O C

• • 0 0 "' :,;

0 i i

11

1977

1 J

Veide .irsm. kons. av ne..Jbørkomp. pi norske bakgrunnst . 1977

!>tasjon H+ S04 N03 IHl4 Ca Hg Na Cl K

ekv/1 mgS/1 rngM/1 mgN/1 mg/1 my/1 mull mg/1 mg/1

·[Ji•rkenes 54 1 . 04 0. 5 4 0.54 0. 1 7 0. 1 7 1. 3 7 2. 5 1

GJt?rstad

..

^{4 7 1 . 0()}

^a.os

Lista 46 0.95 I . 0 9

Skreåctalen 28 0.57 0.27 ll.28 .0. 1 5 0. 11

Tovdal 4 2 0.YU 0.40 0. 4 1 0. 1 7 0.00 0.60 1 . I 8

Skei i Jølster 6 n.J6 0. 1 0

Tusti,rvatn 1 2 O.JO 0.09 fl. 11 0. 1 7 0. 1u

Tågmyra

••

^{23 0. 6 4 0.26 O.J2 O,OG}

L<Dk1e:1 J9 U.GG 0. 4 1 0.43 0.22 0.07

Grimelld

••

^{35 0.66 U.01}

1

v a s s e r 36 1 . 1 6 0.70 U.67 0.79

o.~o

Fit Jar 3 1 0.84 a.JS 0. 3 1 0.35 U. 3 1

Tri,unaon 4 8 0. 8 1 0. 44 0.39 0. 1 1 a.os 0.32 0.62 Va t ne d a len 20 0.44 0. 2 1 0.25 0. 1 J 0. 0 ti

I.any t :,"'rn 4 5 0. 77 0.39 0.35 0. 1 3 O.OJ 0. 16 0.32 J erg ul 1 8 0.45 0. 1 3 0. 1 1 0.20 ll. 0 4 0. 3 1 0.54

a e r s c LV 6 0.43 0. 10 0. 2 1 O.GG 0.55

0.1vi d a Le n 5 0. 3 2 0.08 0,48 0.63 U.25

v e s t c rei v 1 5 0. 4 6 o. 10 0. 1 4 0.22 0. 1G

BJ k k1..,

•

^{16 0.38 0. 1 9 0. 1 9 0. 1 6 O.U)}

Na r o uv o r.L

..

^{1 4 0.37}

^u.

^{15 0. 1 2 0. I ·7 u . OJ}

flJ<Drnlllya

•••

^{11 0. 4 6 0. 1 4 0.25 0.48 0.6"/ 5,46 8. 13}

Ås 32 1 .50 0.55 1 .06 0.70 0.22

o. a

^{1 1 .36 0.89}

Kise 32 1 . 3 2 0. J4 0.73 0. J2 O.U7 0. 23 0,61 0.27

tlanglcr rnnd: Jan.1ft:1h.

..

Manyler mnd: Okt. ,nov. ,des. Narb11voll manuler: Jan. ,f&b. ,mar.

...

Many.ler mnd: J a n . , fe I.J • , rna r . . ,1 pr . , ma i , j u n . , ju l .

Belastning 1977

Stasjon H+ S04 N03 NH4 Ca Hg NII Cl i.;

ekv/1 gS/m2 gN/m2 gN/m2 g/m2 g/m2 g/m2 g/m2 g I rn2

Birkenes 86 1 .67 0.86 0.87 0.27 0.27 2. 19 4. 0 1

Gj&rstad

••

^{33 0.78}

o .·o

⁶

lista 52 1. 06 1 . 2 I

SKr-,ådalen 57 1 . 1 7 0.55 0.57 0.30 0.27

Tovdal 55 1 . 1 7 0.52 0.54 0.22 0. 1 0 0.79 I . 5 4

Sk~l i J<1lster 0.45 0. 1 J

)u~tervatn 1 4 0.33 0. 1 0 0. 12 0. 1 8

o.

¹⁷

Tågmyra

..

^{1 2 0.32 0. 1 3 0. 1 6 0.03}

2

^Løken Grirnelid

••

^{27 20 0.67 0.37 0.29 0.30 0. 1 5 0.05 0.02}

Vasser 25 0.80 0.48 0.46 0.55 0. 4 U

F1tJar 4] 1 . 1 5 0.47 0.43 0.48 0.42

Treung.,n 5 li 0.95 0. 5 1 0.45 0. 1 3 o.os 0.37 0.72

VJ. t 11ed.1 l ~n 1 5 0.34 0. 1 6 0. I 9 0.10 0.04

l•ngtJern 30 0.53 0.27 0. ?. 4 0.09 0.02 0. 11 0.2:?

Jergul 6 0.15 0.04 0.04 0.07 0.01 0. I 1 0, 19

B'-"r~~lv 2 0. 1 5 0.04 0.07 0. 23 0.20

01.vH1.1len 2 0.13 0.03 0.20 0.26 0. 11

v c s t c r e I v 5 0. 16 0.04 0.05 0.07 0.05

OJ k k o

.

^{9 0.22 0. 1 1 0. 11}

-

^{0.09 0.U2}

Narbuvoll

••

^{5 0. 13 0. 0!; 0.04 O.OG 0. 0 1}

OJ"' r r,.t ya

•••

^{0.06 0.02 O.OJ 0.07 0.09 0. 74 1. 11}

Ås 1 6 0.79 0.-!9 0.55 0. 4 1

o.

^{12 0. 4 2 0. 7 1 0.47}

K.t :i e 11 0. 4 o 0. 1 2 0.25

a.

^{1 1 0.02 0.00} 0.22 0.09

•

^{Mangler mn d : .Jan. , f e b .}

..

^{Han9ler mnd:} Okt.,nuv. .des. Narbuvull manglar: Jan. ,feb. ,mar .

• *.

^{Manglet· ,nnd:} Jan. ,fel.J. .rna r . , dip r . , rnJi i I jun . , jul .

1 4

pH -

^{1977 (}

Stasjon Jan Feb Har Apr

Hai

Jun Jul Aug Sep Okt Nov Oas Ar

Oirk.ines

_4. 2 4 . 1 4.3 4.3 4,0 4. 3 4.6 4 , 1 4. 4 4 . 2 4. 6 4,3 4.30

Gjerstad

4. 2 4. 2 4 • 3 4.5 4.2 4. 3 5. 1 4., 4, 8 4, 33

Lista

4 .. , 4. 0 4. 4 4. 3 3.9 4.3 5, 1 4 . 1 4 . 5 4 . 4 4. 8 4. 3 4, 3 4

Sk.rtiå<.lalen

4 . !:i 4.'l 4. 6 4. 6 4.3 4,5 5.3 4, 3 4 .. , 4. ~ 4 , 8 . 4 , 6 4.55

Tovdal

4. 2 4. 1 4. 3 4.4 4. 2 4. 3

5.2

4 , 3 4 . ~ 4 , 3 ,4. 8 4. 4 4,37 .s~ei l

Jølster

5.4 5.4 5.3 5.8 6.3 5.0 5. !I 4,9 5.3 4. 9 5.5 5.8 5.23

Tust.:.rvatn

4. e 4. 5 4.8 4.9 5. 4 4. 7 5.0 4 , 8 4.9 4, 8 5.0 5. 3 4. 91

Tlamyra

4. 5 4 . 2 4. 3 5.0 5.0 4 . 5 4. 9 4.G 5. 1 4.63

Løk~n 4 .3 4. I 4. 5 4.5 4. 3 4.3 4.9 4.J 4 . 4 4. J 4 . 7 4.5 4 . 4 1

Gr.;.mclid

4.5 4 . , 4. 4 4.5 4.2 4 . 5 5. 1 4 , 3 5.2 4 . 4 5 v a s s e L" 4 . 2 4. 0 4 . 2 4.6 4.6 4. 9 5.0 3.9 5.0 4 . 2 4.8 4, 4 4.4~

3 ^Fitjar Treu119&11

^{4. 5} 4. 2 ^{4. 3} 4. 1 ^{4 , 4} 4 . 3 ^{4. 7} 4 . 4 ^4.2 4 . 1 ^{4. 4} 4.3 ^5.2 4.9 ^{4 . 2} 4 , 2 ^4.7 4 . 4 ^{4. 3} 4 , 2 ^{4. 9} 4. 5 ^4.5 4 . 4 ^4.50 4.12

V a t n e d a k e n 4 . 8 4 . 4 4. 5 5.0 4.3 4. 5 5.0 4. 6 4. 8 4. 4 5.2 5. 0 4. 7 1

Llncitjern

4 . 4 4 . 0 4. 2 4 . 6 4 . 4 4.3 4.6 4 . 2 4 . 4 4.3 4,5 4.4 4. J 5

J&ryul

4. 5 4.5 5 .. 2 4. 7 4 . 4 4.7 4.7 4 . 6 4 . 7 5.3 5. 1 5. 1 4.75

Børst!lV

5. 4 5. 1 5.2 5.0 5. 6 5.2 4. ~ 4 . 8 5.4 6.2 ,6. 0 6.2 'i. 2 3

lliv.ictalen

4. 9 4 . 0 !i, I 5.0 5. 4 5. 1 5.0 5. 4 6.2 6. 1 6.0 6. 1 5.27

Vesterelv

5. 1 4 . 8 5. 1 4, 5 4. 8 4. 8 5.0 4 • 4 4 . 9 4 . 9 5, 1 4 . 8 4 . 8 2

Bak k o

4.6 4 . 7 4. 9 4. 7 5.4 4, 8 4.G 4. 0 5. 1 4 . 7 4. 80

Na r b u v o

L). 4 . 9 5. U 4 . 8 5.n 4. 9 5.2 4.6 4.7 4 . 7 4.IJG

Bjørnøya 4. 6 5.0 5.J 5.b 4 . 8 4.98

Ås 4. 1 :. . 0 4. 4 4 . 7 4.5 4 . 8 5.0 4 . 1 4. 8 6. 1 4.8 4 . 4 4,50

I(

i. e

4. 1 4. 1 4. 0 4. 5 7. 1 * 4. 5 4,6 6.0 4 , 7 6. 1* ,4. 7 4 . 4 4. 50

• Ubatydelig nedbør,

90

tabell

13.

S04

i nedbør

1977

(mg Sill

Stasjon Jan Feb Har Apr ~

Hai

Jun Jul Aug Sep Okt

.xov Oe9

>.r

!

Birkenes

1. 0 1 , 4 1.1 1 . 1 2.0 1 .1 0, 4 1 . 6 o.e 1 . 4 10, 5 1.1 1. 04

Gjarst.;d

1. 1 1: 2 1 . 5 0.8 2.0 1. 3 0.2 1, 8 0.4 1. 09

Lista

1. :3 1 . 3 0.9 0.9 2.3 0.9 0.7 1 . 8 o.8 1 .1 ·o. 4 1 :, 0.95 Skrø~dal.vn 0.6 0.8 0,6 0,5 1 . 6 o.8 0. 4 0.9 0,4 0,8 ,o, 3 0.5 ^0.57

Tc,vdal

0.9 1 . J 1 . 0 0.8 1. 9 1. 0 0.5 1, 0 0.7 1.1 ,0. 4 1.1 0,90

,Skal.

i Jølster

0.1 1 . 3 0.8 0.5 0.6 0.4 0. 1 O.J 0, 1 0,3 0.4 0.5 0.36

Tustervatn

O.J 0.5 0.3 0.4 0.2 0.4 0.2 0. 4 0.4 0.4 0,2 0, 1 0.30

Tågmyra

0.5 1. 0 1 . 5 0.5 0.5 0.9 O.J 0.6 0.3 0.64

Løken

0.8 1 . 4 0.9 0.9 1 . 7 1 . 6 0. 4 1. 2 0.9 1. 2 .Q. 5 o.8 0.96

4 Grirnel.id

0.6 1 . J 1 .1 0.5 1 , 2 0.6 0. 1 0.7 0.2 0.66

Vasser

1 . 9 2.J 2. 1 1 .1 2.5 1 . 2 0.5 2.6 0.3 1, 6 0.6 1 , 3 I, 1 6

Fitjar

0. 9 1 . 7 1. 0 0.7 3. 1 1 . 0 0.2 1 . 2 0.5 1. 2 0.3 0.6 0.04

Treungen

0. 7 1 . 0 1.1 0. 7 1 , 4 1 .1 0.2 1 , 0 0,7 I. 2 0.3 ·o.8 o. 8 1

Vatnedalen

0.4 0. 4 0.5 0.3 1 . 9 0.9 0. 1 0. 4 0.3 0.8 0.2 0.5 0. 44

Langtjern

0.6 1. 1 1. 0 0.5 1 . 3 0.9 0.2 1 . 3 0.7 0.9 0,4 0,8 U. 77

J&rgul

0.4 0.5 0.3 0.5 1 . 0 0.6 0.5 0.6 0.5 0.2 0. 1 0. 1 0.45

Børselv

0. 4 0. 7 0. 5 0. !:i 0.7 0.5 0. 4 0.6 0.2 0.1 0.3 0.3 0.43

Div ida len

0.4 0.3 0.2 0.5 0,9 0.3

O.G

0.4 0. 1 0.2 ·o. 1 0.3 0,32

Vesterelv

0.2 0.5 0.3 o.8 1. 0 0.4 0.5 0.9 0.4 0.3 O.J 0. 1 0. 4[j

Elak~o 0.7 0.3 O.G 0,J 0. 1 0.5 0.5 0. !i 0.2 0. 4 0. J II

Narbuvoll

O.J 0.4 0.5 0. 1

O.J

0.3 0.5 0. !i 0. 4 0.)7

Oj,.,rnøya

0,5 0.0 0,3 0. (I 0.7 0. 46

Ås 1. 6 4 . 2 2.2 1 . 0 1. 9 1 . 6 1 . 9 1 . 7 1. 0 2. 1 0.6 1. J 1 .50

Kise

1. 6 2.0 2.9 0.7 2.6* 1 . 7 1 . 0 0.3 0.8 7.2• ., . G J.6 I. 3 2

• Ubi;;tydelig nedbør, se tabell

13.

1 5

N03 i nedbør 1977

Stasjon Jan

(mg N/l) Feb

5

Birkon11s Skr;>ådalen Tovctal Tustervatn Tå,;myra·

J. e k e-n Vd5Ser F1tJar Treungen Vatneualen I angt.Jern .h,ryul B•Jl"St!lV DJ.\-lU~len v~~ st Pre l v 9u. I< h,, Nart:,uvoll ti J ø r nø y"

Ås xi s e

0.&4 O.J2 0.56 0. 11 0. 4 2 0.51 1 . 4 0 0.44 0.49 0.36 0.48 0. 37 0.24 0. 12 0. I I

0.82 0.87 0.94 0. J7 0.98 0.98 I • 81 1 . 3) 1 . 0 7 0.70 0. 9'J 0.44 0. 1 6 0. 1 7 I) • 2 4

1.02 1.70

0.69 0.9]

Har

a.

⁷⁷

0.36 0,65

a.

^{1 4}

1 .

a

¹

0. 4 2 1 • 5 6 0.60 0.63 0. 4 I 0.59 0. 1 0 0.07 0. 0 4 0.08 0. 4 8

Apr 0.62 0.25 0,47 0.08 0. I 8 0.33 0.65 0.23 0.:35 0.20 0.32 0. 11 0. I 6 0.09 0. I 5 0.33 0. I 4

Hai 0.75 0.40 O.SJ 0.08 0. 1]

0. 4 I 1 . 0 8 0.86 0.55 0.67

a.

^{4 3}

0. I 5 0. 17 0. I 2

a.

1 6 0.28 0. 1 I

Jun 0.43 0.24 O.J2 0. 1 0 0.23 0.4J 0.50 0.25 O.J4 0.2J 0,28 0. U!I 0. I 0 0.07

a. on

0. 1 I 0. I I

Jul 0.08 0.08

o.

1

a

O.OG O.DO U. 2 I

a. r

8 0.00 0.00 0. Ut;

0. 1 9 0.0/

0.08 0. I 0 0. I I U.04 0.04

Aug 0.59 0.29 0.40 0.06 0. 1 •j

a.

^{4 9}

0,92 0. 46 0.'.16 0. 12 0.49 0. 11 0. 1 2 0.07 0.08 U. 1 0

o.

¹²

0. 19

1

.os

^{0 .•} 2 0.59 0.26 0.21 0.59 I.SO 0.23 0.55* 0.09 0. 12 0.31

Sep 0, 4 1

a.

^{1 8}

0.32 O.Oi 0. 1 2 0.29 0. 1 5 0. 1 9 0.JI 0. 1 2

0.:Jl a.

1 2 0.04 0.05 0.09 0. 2 1 0.08 0. 19

Okt·

0.89 0.45 0.47 0.09 0.60 I • 2 I 0. !i 0 0.70 0.35 0. 5 I 0.06 0. O!I O.Ob

o. on

0.22 0. 31 o. 1n

Nov 0. 1 8 0.10 0. 11 0.07 0.23 0.40

o.

13 0.27 0.07 0.24 0.00 0. 1 6 0. O'J 0.14 . U. 1 1

0. I fi 0.00

D11s 0.40 0. 19 0.32 0.05 0.43 0.99 0. 2 4 0. 11 0. 2 1 0.)J 0. 1 3 U.09 II. 08 0.05

o.

2 I 0. 2'.l 0. J 1

.lr 0,54 0.27 0.40 0.09 0.26 0. 4 I 0.70 0.3~

a.

4 4 0. 21 0.39 0. 13 0. I 0 0.00 0. I 0 Cl. 19 U. 1 5

a.

1 4 0.43 0.80 0,28 0.43 0.55 0 • 2 5 1 . 2 5 * 0 . :1 2 0 . 4 6 0 . 3 4 IJbdlyd;,lig nedbør, ~e t~boll

lJ,

Nfl4 .i. nedbør 1977 (mg N/l.)

6

Stasjon Birkenes

~kreådal.en Tcvdal lus t e r v a tn T j,Jmyra L..>ken V;, '5 s •'." r FJ t j a r T l'\.'lln!)e-n

Va t n e-d a Le n l.angtJern Jf• J. tjUl

Bers elv Ll1·.1dalen v~stnre.t.v Ba,. k o Marlluvotl 0 J,111·11.,ya

-~'

Kise

Jan O.J7 0.28 O.JS 0.07 0.20 U.J4 1 • 4 1 O.J4 0.23 0. 4 2 0. 1 5 O.U9 0.30 0.22 G.07

Feb 0. 7 1 0.66 0.54 0. 1 2 IJ. 69 0. ·17 1 .52 1 • 8 4 0.54 0.42 0.57

a.on

0.33 0.09 0. 7. 6

0.64 1.36 0.45 0.52

Har 0. 9 5 0.42 0.69 0. 17 1 . 7 2 0.37 1.H 0.45 0. 6 1 0.32 0.64 0.09 0. 3 1 0.06 0. 1 0 0. 4 6

Apr 0. 7 ti 0. 7.0 0.53 0.05 0. 11 0. 2 ti 0.56 0. 19

o.~J

0. 19 0. 19

Hai 0.79 0.79 0,66 0. 1 5 0.2J 0.56 0.94 0.87 0.59 0.84 0.J2 0.07

O.JO

0.28 0.42 0.05 1.90 0.21 0.25 0. 21 0. 1 6

0.04 0.07

1.25 O.SJ 1.56 0.20

5. tl 4 Jun

a.so

0.29 0.32 0. 1 5 0.42 0.68 0. 8 1 0.?0 0,45

O.JO

0. J 1 0. 1 4 0.21

u.

18 0. I 0 0.29 0. 1 J

1 • 6 2 0.82* 0.93

Jul.

0.04 0. 1 2 0.34 0. 1 2 0. 1 I 0. 1 2 0. 1 4

n.

¹¹

0.04 0.U5 0.07

o. on u.

¹¹

0.06 0.00 0. I J O. 2 1 0. 17 0.07

o. o

1

o.

1

n

0.04 0. 12

a.

1

o

1 . 4 5 0. 44

Auo 0.56 0. J4 0. 4 4 0. 1 0 0.2~

0.49 0.9G 0.:10 0. ,, 1 0. I 4 0. 7 J

0. 4 1 1 . 21

SE>p 0.35 0. 15 0.26 0.07 0. 11 0.25 0. 11 0. 1"J 0.33

I). 1 2

U.50

0. 1 0 0.07 O.OG 0.09 0. 14 0. 10 0. fi ~

U,43 1. 5 9

Okt 0.92 0.17 0.60 0. 1 6

O.G7 1. J 1 0.54 0.62 U. 4 7 U.10

Nov

o.

¹¹

'o.

⁵

s

0.16 0.2J 0. 1 1 0. 4 4 0.07 0,05 0.29 O.CJ 0.24 0.91 0. 11 0. 19 0.13

0.J0

0. 1) 0.45 0,15 0.39

o.o~

^0.01,

o.o,; o.JJ

U. 10 2.UG

o.

13 0.22 0.11 0,14 0.20 0.16 0. 1~ 0.JO

1 . 2 0 0. 1 8 J.50* 0.2G

Dos

0.0J 0. 1 5 0. H 1 0. 1u 0.20 0. 20 0.27

0.59 0. 4 3

Ar

0.54 0.28 0. 4 1 0. 11 0. 32 0.43 0. 6 7 0. J 1 0.39 0.25 0,35 0. 11 0. 2 1 0. 4 0 0. 1 4 0. 19 0 , I 2 0.25

1 . U6 0.73

• Ubetydel.ig nedbør, se tabell. 1J.

Ca i nedbør 1977 Stasjon

7

Birkenes SkreådaJ.9n Tc,vdal Tusturvatn Løkt>n v .. sser Fi• :,ar Trcunuen Vat11edalen Langt Jern

J., rrj u L Børs.,lv Ol.Vl.U3len ve~tare!v 'l,, k ~-o

NJl ·.1uvoll BJ.,rr-0i1a

Ås Ki~ t!

(mg/l.) Jan 0.08 0. 1 2 0, 1 3 0. 1 5 0. I 3 0. 8 1 0.39 0.02 0. 1 2 0.00 0. J4 0. 4 1 0. 1 6 0.09

0.8J 0. 10

Feb 0. 1 2 0. 1 0 0. 1 5

a .

^{1 4}

0.22 0.68 0.60 0. IJ 3 0.05 n. 1 J 0.22 O.G6 0.09 0. 1 6

1 .30 0.25

Har 0.22 0. 1 5 0. 1 'I 0,23 0. 11

1 . OJ

0 . .; 9

a.

^{1 J}

0. 1 6 0. 21 0.35 0.49 0.08 0.22 0.2G

0. ti 3 0.97

Apr 0. 19 0. 1 0 0.25 0. 1 2 0. 1 !.i 2.00 0.36 0. 1 0 0. 1J

a.

^{1 2}

0. 14 1 . 0 4 U.24 0. 37 0. 1 0 U. 1 0

0. 4 2 0. 1 9

Hai 0.22 0.64 0. 1 7 0. 13 U.35 1. 6 8 1 . 20 0. 1 3 0.43 0. 1 0 0. 1 7 0. !11

0.JJ

U.28 u.53 0. 1 8

Jun 0. 21 0. 1 4 0. 19 0. 1 0 0. 4 6 1 . 08 0.2~

0. 1 ., 0.26 0. 1 4 0. 1 8 O.~G 0. 4 8 0.20 0. 1 0 0. 1 9

1. 1J O. 06 0.23• 0,44

Jul.

o.

¹⁸

0.46 0. 2 1 0. 1 3 0.36

o.

4

a

0.25

a.

¹

o a.

¹¹

0. 11 0. 1 7

O.JO

0.57 U. J 1 0.14 0.20

1.9J 0,22

Aug 0.26 0. 1 7 0.20 0. 11

0.29

0. 73 0.29 0. 1 0 0.IIA 0. 15 0.28 0.40 0.42 0. 1 7 0. l I 0. 10 0.29

0.66 0.30

Sep 0. 1 5 0. 1 I 0. 1 5 0,09 0. 1 9 0. J4 0.29 0.14

0.0G

0. 1 G 0.08 0.)J 0,49 0.2J U. 1 Ii 0. 1 5 0. fl 3

0.63 0,25

Ok·t 0, 19 0. 1 2

n.

^H

0. 11 0.20 0.45 0. J4 0. I 3 Ci. 1 8 0. 19 0.24 1. )!)

2.29 0. 1 7 0. 17 0. 1 I 0.33

1. ~:J 1 • 1 9 •

Nov 0. 1 J 0. 1 2 0.17 0. 19 0. 1 4 0.58 0.24 0. 1 0 0. 1 t!

0. 1 4 0.20 0. 79 0. 51 0.24 U. 11 0. 1 7 0.90

O.J7 0.32

009

0.22

o.

1

o

0.17 0.32 0. 11 0.58 0. 21 0.06 0. 1 5 0.09

o.

¹

n

1 .J9 0.73 0. 2·1 0. 1 U 0.'.10 0.93

0.47 0.4~

0, 1 7 0. 1 5 0, 1 7 0 . 17 0.22 0.79 U.35 0. 1 1 0. 11 0. 13 0.20 0.66 0,G3 0.22 0. 1 6 U. 1 I 0,40

0.78 0. I 2 Ubetydel.io nedbør, SV tabell 13.

16

H:i i nec.Jbør 1977 (mg/1)

StaSJOn Jan Feb Har i\pr Hai Jun Jul ÅUg Sep Okt Nov Oøa

Ar

Birkenes o. 1 2 0.08 o. 1 o o. 1 o 0,08 0.09 0.05 0.09 0. 11 0. 1 3 0. 2 '5 0,3G 0, 1 7

GJerstad 0. H 0.08 0.09 0.07 0. 1 3 0.07 0.04 0.08 0.05

o.oe

Lista 1. 20 1 .52 0.64 0.40 0. 19 0.55 0. 4 9

'o .

^{4 7 1. 20 0.92 2.} 4J 0. 9 5 1 . 09 Skre5dalen 0.22 0.06 0. 1 1 0. 1 2 0.09 0.08 o. 2 1 0.09 0. 1 5 0.07 0.22 0.09

o.

¹³

lovdal 0.09 0.06 0.06 0.06 0.05 0.07 0.05 0.09

a. or. a.or.

^{o.oo 0. 1 3 0.08}

Sk~i

~

^Jølster

a.

^{2 1 0. 1 1 0.07 0. 1 2 0.04 0.05 0.02 0.07 0. 1 4 0.05 0.06 0.20 0. 1 0}

Tustervatn

a.

^{1 5 0.06 0. 1 6 0.05 0.04 0.03 0.02 0,06 O.U4}

a.at

^{0. 11 0.66 0. 1 6}

T 5\Jinyra 0.02 0.03 0. 11 0.06 0.04 O.OJ 0.04 0.20 0.02 0.06

l.<1>!.en 0.06 O.Otl 0.04 0.05 0.06

a.

^{1 1 0.05 0.08 0.08 0.05 0. 09 0.06 0.07}

Grimelid 0.01 0.04 0.06 0.03 0.03 0.02 0.02 0.05 0. 01 0.03

8

^{Vasser 0.52 0.55 0.43}

^a.ea

^{O.B1 0.53 0.22 0.46 0.57}

^{a. s}

^{1 0.96 0.57 0. SA}

Fit Jar 0.49 0.22 0.23 0.23 0.15

a.

^{1 3 0.06 0. 1 9}

a .

^{4 1 0. J4 0.40 0.30 0. J 1}

Lr o u n q e n 0.03 0.04 0.05 0.04 0.05

a.os

^0.02

a.OJ a.

^{114 0.05 0.05 0.07 0.05}

Vdtrteaalen 0. 1 5 0.02 0.07 0.07 0.09 0.07 0. 0 1

a.

^{02. 0. I) r, 0.04 0.07 0.09 0.06}

Lc111gtJert1 0.02 0.03 0.04 O.OJ 0.03 0.02 0. 0 1 0.04 0.04 O.OJ 0.04 0.03 0. l)J Jergul 0.04 0.04 0.05 0.07 0.04 0.03 O.OJ 0.04 0.04 0. 0 4 0.0) 0.06 0.04 Børselv 0.59 0.48 O.G4 0.96

o .

5 4 0.52 0. 15 U.Jll 0.11 0.76 0.49 1 . 4 2 0.55

(>J.V i ct a ler, 0. 1 6 U.00 0.00

a.

^{11 0. I 1 0. 1 9}

a.

^{11 0. 1 J 0. 1 9 0.79 0. 1 -, o.~2 0.25}

Vesterelv

o.os

^{0. 1'.J 0. 21}

a.

^{11 0.08 0.08 0,07}

a.nu

^U.20

a.

¹ 4 0.14 ll . 4 J

o.

¹⁶

fl a I< ko 0. 0 -, 0.03 0.07 0.01 0. 0 1 0.04 0.05 O.UJ 0.02 0.02 0.03

Narbuvoll 0.02 0.04 0.02 0.02 O.OJ 0. 0 4 0.02 0,03 0.09 O.OJ

BJørnøya 0.38 1 . 0 5 0.48 1 . 3?. 1 .34

a.

^{6 ·,}

As

0. 1 9 0.23 0. 1 2 0.09

a.

^{2 1 0. 3 1 0.97}

a.

^{1 4 0. 19 0.42 0.16 0,08 0.22}

K.l se 0.03 0.06 0. 1 5 0.04 0.08• 0.07 O.UJ 0,00 0.07 0 . 4 1 * ^{0.07 0. 05 0.07} Ub.iL:tdelig nedbør, se tabell 1 3.

Na i nedbør 1977 ( mg Il)

Stasjon Jan Feb Har i\µr Hai Jun Jul ÅUg Sep Okt Nov Dea Ar

Birkenes 0.96 0.69 0.70 0.72 0.46 0,88 O.J2 0.79 0. 9 1 0.92 2.04 2.99 1. J 7 Tovdal 0.82 0.80 0.55 0. 44 0.28 0.53 0.27 0.58 0,40 0. 4 4 0.60 1 . 07 0.60

9

Langt Jern ^{Treungen 0.29} 0. 11 ^0.30 0. 14 ^{0. 34} 0.20 ^{0. 18} 0. 18 ^0.32 0.22 ^0.27 0. 1 4 ^{0. 11} 0. 16 ^0,36 0. 21 ^0.25 0. 1 3 ^0. 0. 13 ^{J4 0.40} 0.22 ^0.50 o. 1

e

^{0.32 0, 16}

Jeryul 0. 16 0. 1 8 0.48 0.48 0,36 0.28 0. 2 1 0.34 0.27 0.29 0.4) O.J5 0. 3 1

BJørnøya 3. 21 7.29 4.55 11 . J 2 6.79 5. 4 6

A~

0.85 1 .05 0.60 0.50 0.30 0.55 1 .95 0.80 1 . 00 0.80 1 . 3 0 0.60 0. 81 Kise 0. 1 0 O.JO 0.55 0.20 1. 1 0

*

^{0. 1 0 0. 1 5 0.25 0.20} 1 . 1 0 • 0.40 0.20 0.23

Ubetydelig nedb<Jr, s~ tabell 1 3.

Cl i nt!dbør 1977 (mg/ll

Stasjon Jan Feb Har ,\pr Hai .'lun Jul Ållg Sep Okt Nov Des År

Birkenes 1 . 71 1 . 3 9 1 . 2 8 1.63 1.

no

0.97 0. 7 0 1 .28 1 . 61 1.00 3. f; 3 5.58 2, 5 1 Tovdal 1 . 4 4 1 . 4 6 0.96 1 . 71 0.49 0. 81 0.55 1 . 1 2 0.73 0.89 1 . 16 1 . 9 5 1. 18.

10

^Treungen LangtJern ^0,57 0. 2 1 ^0.72 0. 51 ^0.75 0.43 ^{0. 4 0} 0.36 ^0. 0.39 ^{f, 2 0. 4 3} 0. ?.O ^{0. 1 8} 0. 1 7 ^0. 0.44 ^{r. 2 0.43} 0 .15 ^{0. 77} O.H 0. ^0.73 4 2 ^0.87 0,35 ^0.62 0.32 JeqJul O.OJ 0. 5 ,, 0.73 1. 05 0. 7 1 0.92 0. 4 0 0.54 0. 51 0,42 0.26 0. f,!) 0. ~ 4

B Jørn.øya 5.47 1 4. 20 7.06 1 3. ~ 2 6.03 8. 1 3

Ås 1. 3 5 1 . 25 0.80 0. 71) 0.50 1 . 9 0 3.90 1 . 1 5 1 .55 I • 1; 0 1 .80 0.50 1. J 6 t:ise 0.25 0.40 0.65 0.25 L 05• 1. 7 5 0. 25 0. '> S 0.45 2.90• 0.35

'o.

^{2 5 0.63}

IJl>etydelig nedbør, se tabe.l.l 1 J.

1 7

K

i

nedbør 1977 (mg/ll Stasjon

Ås Kise

Jan Feb Har

Apr

Hai Jun Jul

11

Aug Sep Okt Nov

o,u Ar

0. J 1 0. 11

0.35 0.20 0.10 0.16 J.20 1.54 0.26 0.55 0.09 0.21 O.OJ 2.60* 0.21 0.07 0.38 0.98

2.50 0.10 0.08 0.89 2.90* 0.05 0.1:J 0.27 Ube~ydelig n e c b e r , se tabell. 13.

mm nedbør 1977

Stasjon Jan Feb Har Apr Hai Jun Jul Nov Det

X av norm.

nedbør,DNHI År 1931-GO

12

Birkenes Gjerstad List a

$kreldalen Tovdal

Shei _i Jølster Tustervatn Tjgmyra L e k e n Grimelid

\las ser FitJ~r Treurig"n Vatnørtalen l.~nytJern Jergul Oi., 1 s e ; v Divio~len VPsterelv O~kko N~rh11voll Bj.,rn:i,ya

165 93 64 88 78 60 73 65 83 64 29 77 70 38 4 5 27 9 1 J 19

138 86 39 55 79 8 17 1 7 23 36 23 27 74 25 38 1 2 1 J 1 8 11

129 92 98 18 2 98 70 148 1 8 57 57 50 93 86 44 5 1 27 62 6 1 38 35

98 103 106 11 2 102 59 4 2 5 1 73 79 52 83 99

JG

4 7 1 8 8 5 1 4 35 39

49 27 25 54 JJ 37 40 46 36 28 28 76 27 19 20 24 24 20 26 25 1 7

89 120 4 9 1:14 95 102 101 134 65 96 58 75 11 7 53 120 3 7 58 25 66 t9 56

38 65 45 G 1 58 126

59 65 46 53 5-, 89 64 53 7 1 4 0 3:J 62 16 62 67

Aug 55 62

~ 1 121 75 98 1 0 J 86 29 89 37 08 87 91 ,, 7 1 7 20 J4 29 G9

31

35

Sep 1 5 J

64 17 2 3 51 126 204 120 19

(;7

59 173 234 1(19 1 J 1

52 44 44 4 1 J) 4 5

1 7 1 ~

Okt

171 1 0 I 3 IJ7 1 81 145 162 84 85 I 4 5 14 9 7J

~o

40 20 40 38 CI 55 6?

2 21 168 300 19 6 1 53 84 09 75 2 1 8 1 60 13 I

53 JJ 28 39 24 05 37 1 6

292 199 2 1 4 104 19 7 156 4 7

25 178 125 G4 82 I 8 2J 5 1 JO 8 1 23

9 1597

7 11 1114 2057 1304 1260 1111 499 699

~60 692 1372 11 G 5 7 6 1 603 344 357 4 I 6 342 567 346 1 J 7

1 09

*

98*

t 11 IO 1 104 00 104 1 0 G 1 02

*

100 94•

9 4 1 U 7 •

8'3•

93*

107 *

ijG 98•

93 93 92 •

Ås Kise

28 14

1 2 11

4 2 1 2

58 81

26 1

67 55

1 5 39

4 8 4 0

54 JO

50 6

73 31

4 2 23

522 344

93 104

Rolastning H+ 1977 (mekv/m2)

Stasjon Ja1n Feb Har

Apr

Hai

5. 1 1 • 7 J. 1 2.4 2.2

o.o

0.2 0.5 1 . 9 1. 8 0.6 5.2 2.2 0.9 1. 1 0.9 0. 1 0. 1 0.4 O.J 0.2

Jun Sep

13

Birke,1es G3erstad Lista Skr.iådalen Tovdal

Skei .i Jølster lustorvatn T:igmyra L Cl'~ e n Grimolid Vas~er Fit:i~r Tr~ungun VatnE!dalen L.:.ngt Je1·n J.,rgul Børselv Oiv.1dalen Ve5tcrolv Bakko NJclJuvoll e3ollrn..,ya

1 0. 5 5.5 5.J 3. 1 4. 6 0.2 1. 0 1 . 9 4 . 4 1 . 9 1 . 9 2.7 4.3 0.6 1. 8 0.8

o.o

0.2 0. 1

1 0. 2 5.5 3.5 J.6 6.0 0.0 0.5 1 .1 1 . 7 2.7 2. 2 1 • J 6. 4 1 . 0 3. 4 0.4 0. 1 0.3 0.2

6. 1 5.0 4. J 5.0 4. 7 0.4 2. 1 0.9 1 . 8 2.J J.J J.4 4. 7 1 . 3 2.9 0.2 0.4 0.5 O.J 0.9

4 . 7 3.J 4. 9 2.6 4.0 0. 1 0.6 0.5 2. 1 2. 4 1. 2 1. 0 J.5 0.4 1 . J 0.3 0. 1 0. 1 0.4 0.6 0.5

4.6 5.8 2.J 4 . 6 4 . 7 1 .1 1 • 6 3.0 2. !l J.3 0. 7 J.2 6. 1 1 . 6 5.4 0.0 0.4 0.2 0.9 1 • 2 0.8

Jul.

1. 0 0.5 0.4 O.J 0.4 0. 4 O.G 0.9 O.G 0.4 0.5 0.6 0.7 0.6 1 . 6 0.9 0.5 0.6 0.2 U.2 0.2

Aug 4. 5 4.0 4.5 6.3 J.6 1 • 4 1 • 5 2.0 1 . 5 4 . 4 4.7 5.5 5. 1 2. 1 J.2 0.4 0.4 0. 1 1.1 1. 2 0.4 0.8

6.'

1. 1 5. 6 7.2 4 • J 1. 1 1 . 4 0. 1 2.4 0. 4 1 . 7 4 • 7 4.0 2. 1 2. 3 0.8 0.2 0.0 0. 4 1 • 0 0. 1 0.2

Ol<t 11 • 8

4,5 11 , 7 9,4 1 . 8 2.4 4.5 5.5 6.9 8.7 2. 8

2.5

0.2 0.0 0.0 0.5 1 . 0 1 • 4 O.J

Nov 6. 1 2.9

5.G

J. 1 0.5 0.8 1 • 7 1 • 2 2. 7 4. 9 0.8 1 • 6 0.3 0.0 0.0 0.2

0.7

0.8

o.o

Dea 14. 7 1 0. 2 5.0 8. 1

O.J

0.8 1 • 4 1 . 0 5.2 5. 1 0.7 J.4 0.2

o.o

0.0 0.5

1. 6 0.4 0. 1

År 86 33 52 57 55 1 1 4 1 2 27 20 2':i 4 3 56 1 5 JO 6 2 2 5 9 5

Ås Kise

2.5 1. 1

1 • 4 1 . 0

1 . 7 1 . 2

1. J 2.6

0.8 0.0

1. 1 1 • 8

0.2 1.1

J.8 0.0

0.9 O.G

0.0

o.o

1 . 2 0,6

1 . 7 0.9

1 6 11

1 8

Belastning 504 1977 (mg S/m2)

st ..

^{sjon Jan Feb Mar ,\pr} Hai Jun Jul Aug Sitp Okt Nov DAS År

Birkenes 163 193 136 105 99 96 1 5 66 1 23 234 1 OJ 310 1G66

Gjerstdd 99 103 13 6 6 1 52 1 54 1 4 11 2 24 766

Lista 64 4 6 87 93 57 4 4 30 93 129 11 5 62 2 1 7 1 061

Skreådalen 50 45 106 61 84 107 24 11 5 136 2:J 7 101 106 1174

Tovdal 74 101 96 62 62 96 26 78 87 19 5 73 200 1170

Skei ,i Jølster 20 1 0 57 32 22 4 1 11 3 1 23 42 63 97 446

Tustervatn 1 0 6 5 1 1 6 1 0 4 2 1 0 3 7 46 64 1 6 1 0 329

TågmyrJ 29 1 7 27 26 23 120 2 1 5 1 6 3 21

Løken 68 32 5 1 62 60 102 1 8 36 61 98 43 36 668

14

^{Grimel.id Vasser 37 55 46} 52 104 ⁶ⁿ 57 ^{37 35} 70 ⁷⁴ 72 2 7 ⁷ 96 ⁶¹ 59 ^{1 2} 13J 45 33 ³⁷⁰ 803

Fit Jar 67 47 95 60 233 76 1 9 109 102 17 2 73 99 11 51

Tr.-,ungAn 48 75 92 68 37 120 1 0 90 75 1 7 5 54 1 02 946

Vatnedalen 1 4 1 0 23 1 2 37 49 7 35 40 56 24 29 33G

Langtjern 25 4 1 50 22 37 104 1 4 6 l 38 46 23 66 529

Jergul 9 6 8 9 24 24 23 14 22 7 5 2 153

e,.,rsclv 4 6 32 4 1 8 26 1 J 1 7 7 8 7 6 152

Div ida len 5 5 1 3 3 1 9 7 37 1 4 4 8 5 ' ^{1 4 1 3 3}

Vesterelv 5 1 0 1 2 27 28 8 26 l 3 1 3 7 4 1 5 7

Bakho 24 1 0 1 5 23 4 37 22 32 1 G 32 21 6

Narbuvoll 11 6 28 8 11 4 30 1 8 1 U 126

0Jl,)rnøya lti 12 17 1 2 7

&)

,\ s 44 51 92 60 49 109 29 78 53 12 3 43 53 786

Kise 22 22 34 59 3 95 38 14 22 45 1 8 04 456

Belafitning N03 1977 (mg N/m2)

Stasjon Jan Feb Har ,\pr Hai Jun Jul Aug Sep Okt Nov

'

^{De1 År}

Birkenes 105 11 3 99 61 36 38 3 32 62 1 51 40 11 7 859

Skreådal.on 29 47 65 28 26 32 5 35 64 139 39 4 1 5~0

To v d a L 44 74 63 47 1 7 30 5 30 40 84 22 59 51 6

Tustervatn 8 6 21 3 3 10 4 6 9 1 5 5 7 99

Tågniyra 27 1 6 1 9 9 6 30 5 13 2 1 29

Løken 43 23 24 24 1 5 28 9 14 19 51 20 20 290

Vass~r 4 1 42 79 33 30 2 9 1 0 34 26 1 03 30 25 4 81

15

^rit.Jar Tt t:tun9en ³⁴ 35 ³⁶ 79 54 ⁵⁶ 34 ^{19 66} 1 5 40 ^{1') 7} 5 ⁴⁰ 3 1 )4 ^{4 2} 104 ^{84 20} 43 ⁴³ 39 ⁴⁷³ 51 3

Va t n e d a Le n 1 4 1 8 1 0 7 1 3 1 2 3 11 1 6 25 9 14 1 59

Lan•Jt J•irn 22 38 30 15 1 2 33 13 23 1 7 25 1 3 27 268

Jer;;ul 1 0 5 3 2 4 3 3 2 5 2 3 2 4 5

8 •Or Se 1 'J 2 2 4 1 4 6 3 3 2 2 4 2 J6

n x v i cr a

r

e n ^{2 3 3 0 3 2 6 2 2 3 3} 4 )3

Vesterelv 2 3 3 2 6 2 2 3 J 3 1 35

BjkkCJ 1 7 1 2 7 8 2 1 2 9 1 3 9 1 7 1 0 7

Narbuvoll. 5 2 6 3 4 l 1 8 6 7 52

_!:I J ørnøy a 7 3 6 3 20

Ås 29 2 1 H H 15 17 3 213 23 46 20 1 0 2 69

l(js,, 10 1 0 1 0 19 5 5 1 3 1 8 1 0 11 11 6

19

Belastning NH4 1977 (mg N/m2)

16

17

Stasjon

!Ii rkenes Skreå<Jalen Tovdal Tustervatn Tågmyra Løk en.

Vasser Fit Jar Treung~n V~tnedalen langtjern Jergul Børselv Dividalen Vesteralv Bakko Dividalen Narbuvoll

Jan Feb Mar Apr Mai Jun Aug Nov Des

6 1 25 27 5 1 3 20 4 1 26 1 6 1 6 7 2 3 3

98 36 43 2 1 2 1 8 35 50 4 0 1 0 22 1 4 2 3

122 77 67 25 3 1 2 1 7 1 42 5J 11, 32 2 19 4 4 1 6

75 23 5~

2

1 20 29 16 22 1 9 1 2 0 3 1 2

39 42 22 6 1 0 20 26 66 1 6 1 6 9 1 1 0 39 6 4

45 39 30 1 5 55 45 4 7 2 1 52 1 6

)7

5 1 3 5 7 20 7

Jul 2 8 20 1 7 5 8 9 J 3 5 4

2

8 3 4 J

JO 4 1 33 1 0 21 1 4 36 34 36 1 3 35 2 2 7 2 13 4 6

Sep 54 52 33 9 2 1 7 20 30 35 1 5 26 0 3 3 3 6 2 1 0

Okt 157 11 4 1 0 H 26 56 11 2 70 122 J4 1!) 2

2

9 5 1 0 11 9

23 62 22 6 26 1 8 24 21 1 7 8 9 81 5 1 2 6 6

160 49 80 0 30 21 34 38 29 31 1 3 4 1

5 16 5

2

År 866 569 539 1 21 158 3 0 1 4G5 OU 454 19 0 240 37 73 200 46 11 U 40 3 4

Ås Kise

1 8 G

1 6 6

52 1 8

31 16

152 108 52

22 1 7

1 9 49

23 4 8

74

22

1 J 8

25 1 0

554 253

Belastning Ca 1977 (mg/m2) Stasjon

Birkenes Skr<>ådalen Tovdal Tustervatn Løken Va. s s e r Fitj.:ir Treungen Vat'1er1alen langt Jern J&rgul Børsalv Div ida len V.ester&lv Bakko Nart,uvull BJ11>rnøya

Jan 13 11 10 11 11 24 30 2 5 4 9 4 2 2

Feb 1 7

5 1 2 2 5 1 6 16 7 1 5 3 8 2 2

Mar 29 27 1 6 34 6 52 45 11 7 11 9 30 5 8 9

Apr 19 1 2 26 5 1 4 144 30 1 D 5 6 2 9 1 5 J 4

Mai 11 35 6 5 13 47 91 4 8 3 4

22

7 7 1 6 3

Jun 19 19 1 9 1 0 30 62 19 1 9 14 1 7 7 32 1 2 1 J 7 11

Jul 7 20 1 2 8 1 6 23

22

6 7 8 8 1 0 35 5 g 14

Aug 14 20 15 1 2 0 27 2 (j 9 8 7 5 1 3 14 5 I 4 6 1 0

Sep

22

40 19 1 2 1 J 58 84

15 7 0 4 1 4 20 6 7 3 1 2

Okt 32 18 26 1 8 1 7 38 49 1!) 1 3 10 9 39 109 7 1 U 6 2 [J

Nov ! Døs 29 4,;

32 1 6 1 J 4 4 52 1 6 1 5 7 6 22 20 Ii 1 0 6 1 5

64 22 3 1 50

5 1 4 38 0 9 7 3 31 37 8 8 7 9

År 275 3 0 1 224 184 1 ~ 1 545 482 126 9 !) 92 70 235 264 7 5 93 59 66

Å:

Kisa

23 16

3 26 11

24 15

29 0

57 24

30 9

3 1 1 2

34 7

86 7

27 1 0

20 11

407 111

Belastning Hg 1977 (mg/m2)

I

Stasjon Birkenes GJerstad lista Sl-reådalen Tovdal

18

Tustervatn Tågmyra Lø k e n Grimelid Vasser F.i.tjar Treungen Vatnedalen l~ngt:jern Jei-gul Børselv 01vidalen VPsterelv Bakko Narbuvoll B30rnøya

Ås

Kise

Jari 19. 0 1 3. 4 77. 2 1 9. 1

6.8 Skei j Jølster 12.4 1 0. 6 1 . 0 4. 6 0.6 1 5. 2 3 7 • 7 2. 4 5.7 0.7 1 . 0 5.0 2.0 1 • 4

5. 4 0. 4

Feb

2. 8 0. 7

Har 11 . 6 1 2. 7 6.9 8.2 50.8 62.1

3.2 20.8

4. 8 6. 1

0. 9 4. 8 1 . 1 2 2. 9 0.5 2.0 1 . 8 2. 1 1. 3 3. 3 1 2. 6 2 1 . 4 6. 0 2 1. 4 2.9 4.6 0.6 3.0 1 . 0 1 . 9

0. 5 1. 4

6. 1 39.4 1 . 4 5. 1 1 . 4 7 . 7 2.4

5.0 1. 7

Apr 9. 9 7. 0 42.2 13. 2

5.8 7. 1 2.0 3.0 3.4 2.0 4 1 . 4 19. 4 3. 4 2. 4 1 . 6 1. 2

a.a

0.5 2.4 1. 1 0.8

5.2 3.3

Hai 3,9 3.5 4.6 4.6 1 . 7 1 • 4 1 . 6 1 . 6 2.3 1 . 0 22.5 11. 4

1. 3 1. 7 0.8 1. 0 13. 0 2.2 2.0 1 . 8 0.6

Jun 7.8 8.4 26.6 11. 1

6.5 4 • 9 3. 3 4.5 7. 1 2.0 3U.6 1 0. 1

6.0 3.6 2.7 1. J 30.2 4.8 5.0 0.9 0.9

Jul 1. 7 2.2 21. 9 12.6 3.0 2.0 1 . 0 2.3 2. 1 0.9 1 2. 4

5.2 1. 1 0.0 0.9 1 . 6 4. 9 6.8 1. 1 0.6 1. 1

5.5 20.7 14.9

0. 1 3.9 1 .2

Aug Sep 5.0 16.8 5.2 2.9 23.6 205.7 10.2 51 .3 6. 6 7. 1 7.0 27.5 5. 9 5. 5 1 6. 9 0. 4 2.2 5.5 4.7

a.a

17.2 98.9

16.6 104.3 2. 8 4. 3 1 . 7 7. 6 1 . 8 1. 9 0. 6 1 . 6 8. 6 1 4. 6 4.5 7.9 1 . 0 !l. 2 2. 5 2. 1 0.9 0.7

Okt Nov 21.8 56.1 105.0 92.9 408.9 188.7 22.2 03.4 19.5 10.5 15.3 23.8

7.!l 9.0 40.3 9.0 9. 1 102.5 4 . 1

43.3 49.0 7. 0 2.8 1 . 4 1. 6 21. 3 37.5

5.2 1. 8 0.8

7.7 7 1 • 7 86.3 8.6 9.0 2.0 1. 1 13.5

6.7 3.4 2.0 1. 0

Des

2.6 1 4. 2

~2.5 8.7 5.6 2. 1 1. ') 31.~

26.2 12. 8 1. 8 2.0 13.1 15.8 29.3 21.3 12.3

fi.7 10.3 24.2 11.7 J,)

3.2 2.1 2.5 2.1 '1.2

År 271 58 121 3 2 7 1

98 1 2 5 1 7 4 32 4 6 1 7 4 0 1 420

53 44 19 1 4 19 6 106 53 t 7 9 92

11 6 22

20

Belastning Na 1977 (mg/m2)

Stasjon Jan Feb Har Apr

Hai

Jun Jul Aug

Sep

Okt Nov

Des

År

Birkenes 1 59 95 90 70 22 7

!l

1 2 43 1 4 o ¹⁵⁸

4

51 8 7 1 2191

Tovrlal 64 63 SJ 45 9 50 1 6

_4J

50 7

!l

11 0

'

197 788

19 ^Tr6ungen Langt Jern ²⁰ 5 ²²

5

²⁹ 1 0 ^{1 7} 8

⁸

6 ^{3 1} 1 7 11 ^{7 3 1} 1 0 ²⁷ 7 ^{5 1} 6 ⁶³ 12 ^G3 1 5 ³⁷⁰ 11 2

Je

ry,,

l

4

2 1 J 9 9 1 o ^{1 0}

G

1 2 1 2

₁₄

6 1 OG

Bjørnøya 112 100 280 1 0 J 6) 738

Ås

24 13 25 29

8

37 30 38 54 46

!l

5 25 423

l(J.S9

J 6 1 6 6 6 1 0

6

7 1 2 5 79

Bela~tning Cl 1977 (mg/m2)

5tasjon

Jan Feb

Har

Apr

Hai

Jun Jul

Auo Sep

Okt Nov

Dea

Ar

Birkenes 2 8 1 192 165 160

48

87 27 70 246 308 803 1627 4 o 14

20 ^Tovdal Treungen ^{1 1 2} 40 ^{11 5} 54 ⁹⁴ 65 ¹⁷⁵ 39 ^{1 6}

17

⁷⁷ 50 ³² 11 ⁸⁵ 54 ⁹² SJ ¹⁶¹ 1 1 4 ²²⁷ 11 7 ³⁵⁸ 109 ^15H 722

Langtjern 9 20 22 1 7 11 24 1 2 21 1 8 1 7 22 29 2 2 1

Jergul 1 7 19 19 1 7

₃₄

19 9 22 1 7 8 1 2 185

BJørn.øya 192 214 434 219 55 111 5

Ås

38 1 5 13 4 1 13 12 7 60

~ '5

84 92 13 1 21 7 I 0

Kise

4 4 8

20

4

~7 1 0 22 1 3 I 8 11 6 21 7

Belastning

K

i nedbtar 1977 (mg/m2)

21

!'.;tasjon

Jan Feb Har Apr

Hai

Jun Jul

Aug

Sep Okt Nov

' 0ea

År

Ås

9

4

8

6 4

2 13 24 1 2 30 1 4 4 7 3 466

Kise 2 2 2 3 1 2 3 1 5 29 1 8 2 3 92

Kons. S02

i

luft 1977 ( /A9 ^S/m3)

Stasjon Jan Feb Har Apr

Hai

Jun Jul Aug

Sep

Okt Nov

Des

År

22 ^Birkenes Skreådalen 1 3.

4

1 2. 7 ^2.9 2. 1

^2.4

2.7 0.7 ^{1.1 2.0} 1 .

4

^3.2

5.8

VaS5tH' 5.0

4 .

1 2.6 4.6

4 .

0

Tr£>ungen 1. 5 0.4 0.2

0.5

0.

(l

Jergul 0.2 0.5 0.6 1 . 6 0.7

Oivid,alen

5,6

2.!l J.5 J. !l

Hummel fjell 0.9 1. 2 0.5 1. 1 0.9

BJ,/lrnøya 0.0 0.2 0. 1 0. 1 0. 1 0.2 0. 1

Kons. S04 i luft 1977 (JJ-9 ^S/mJ)

Stasjon Jan Feb Har Apr

Hai

Jun Jul Aug

Sep

Okt Nov

Dea

Ar

Birkenes 1. 1 1 . 6 1. 0 0.5 1 . 2 1. 0 0.4 1. 0 0.6 1.

!5

0.4 0.9

0.9

23 Skreådalen 1. 0 1. 2 0.9 0.6 1. 3 1. 0 0.4 0.7 0.5 1 .

4

0: 3

0.4 0.8

v.sser 2.5 3.0 I . 6 1. 1 1. 9 1 , 3 0.6 1. 2 0.8 3.2 0.8 2. 7 1. 8 Treungen 0.9 1. 6 0.8 0.5 1. 0 0.9 0.

4

0.7 0.

4

o.o 0.2 0,5 0.7 Je1gul 1.

4

1 . J 0.5 0.7 0.4 0.3

0.5

0.6 0.2 0.3 0.5

0.5

0,6

Divid;,len 0.3 O.J 0. 3 0.3

Hummelfjall 0.6 0.8 0.5 0.4 0.7 0,6 0,2 0.4 0.2 0.3 0, 1 0.2 0. 4

BJørn,.,ya 0.4 0.4 O.J

(l.

2 0.G 0.

I,

0.4

? 1

1978

23

Veide årsm.kons. av nedbørkomp. på norske bakgrunnstasjoner 1978

Stasjon H• S04 N03 NH4 Ca Hg Na Cl K

ekv/1 mgS/1 mgN/1 mgN/1 mg/1 mg/1 mg/1 mg/1 mg/1

Birkenes 77 1. 1 7 0.62 0.57 0. 1 7 0. 12 0.95 1. 71

Lista 54 1.01 0.50 0.45 0.51 1 .08

Skreådalen 30 0.49 0.20 0.26 0.20 0.29

Tovdal 6 1 1 .OD 0.43 0.43 0. 19 0.07 0.57 1. 0 5

Skei .i Jølster 1 0 0. 19 0.06 0. 19 0. 14 0. 11 Tustervatn 1 4 0.23 0.08 0. 1 0 0, 16 0. 1 G

1

^{Løken 56} 1 . 1 0 0.48 0.52 0.24 0.07

Vasser 84 2.80 1.25 l. 34 1 . 5 4 0. 61

Fit Jar 33 0.60 0.24 0.26 0.29 0.49

Treungen 61 0.87 0.38 0. 4 1 0. 1 4 0.04 0.25 0.50

Vatnet.lalen 24 0. 4 1 0. 17 0.23 0. 14

o.

10

Lan:,tjern 60 0.94 0.40 0,38 0. 1 6 0.03 0. 1 G 0. 3J Jergul 30 0.43 0. 1 0 0. 11 0. 1 J 0.02 0. 19 0.26 Dtvidalon 11 0.30 0.08 0.68 0. 4 2 0. 2 2

Bak i<CI 26 0.47 0. 1 8 0.25 0. 21 0.05

Ndrbuvoll 1 9 0.34 0. 1 6 0. 1 5 0. 18

O.OJ

B:iørnøya ^{, 5} 0.70 0. 1 8 0.50 0.86 1. 17 9.88 15.39 Gornitak

* ,.,

0.66 0. 1 6 0.37 O.J9 0. 1 6

Kårvatn

*

^{1 0 0. 16 0.05 0.09 0. 11 0. 13 1 . 00 1 . 8 4}

Å$ 63 1 . 7 1 0. 6?. 0.90 0.60 0. 13 0.65 0,99 0.34

Kise 58 1. 9 7 0.49 0.83 U.56 0. 1 0 O.H 0. :l9 0.23

*

^{Hangler januar.}

Belastning 1978

Stasjon H• S04 N03 NH4 Ca Hg Na Cl K

mekv/m2 gS/m2 gN/m2 gN/m2 g/m2 g/m2 g/m2 g/m2 g/m2 Birkenes 96 1. 4 5 0.77 0. 71 0. 21 0. 1 5 1. 18 2. 1 3

Lista 50 0.94 0.46 0.42 0.48 1 . 00

Skreådalen ~3 0.86 0.35 0.46 O.J5 0. 51

Tcvdal 60 0.98 0.42 0.42 0. 19 0.07 0.56 1 • 03

Skei j Jølster 1 8 0.32 0. 11 0.33 0.24 0. 1 9 Tustervatn 16 0.25 0.09 0. 11 0. 1 8 0. 1 8

Løken 34 0.66 0.'26 0. 31 0. 1 5 0.04

Vasser 1 8 0. 61 0.27 0.29 0. 34 0. 13

2

^{rit Jar 42 0.76 0. 3 1 0.33 0.37 0. 61}

T reur,g en 57 0.83 0,36 0.39

o.

13 0.04 0. 24 0, 47

Vatnedalen 2 1 0.35 0. 14 0. 1 9 0. 1 2 0.09

LanytJern 4 2 0.65 0.28 0,26 0. 11 0.02 0. 11 0.23

Jergul 11 0. 1 5 0.03 0.04 0.05 0. 0 1 0.07 0.09

u i vi c c Le n 6 0. 16 0.04 0.35 0.22 0. 11 llal<ko 20 0.36 0. 14 0. 19 0. 1 6 0.03 N<1rbuvoll 7 0. 1 3 0.06 0.06 0.07 0. 0 1

BJørnøya 2 0.06 0.02 0.05 0.09 0. 12 1. 03 1. 3 6

Go x-,1 it a k

*

^{4 0. 1 7 0.04 0. 1 0 0.10 0.04}

Kårvatn * ^{1 4 0. 2 1 0.07 0. 1 2 0. 1 5 0. 1 7} 1. 3 2 2.42

Ås 3 1 0.85 0. 3 1 0.45 0.30 0,07 0.33 0.49 0. 1 7

Kise 1 2 0.40 0. 1 0 0. 1 7 0. 11 0.02 0.05 0.08 0,05

"

Hangler januar