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Lake Paajarvi (southern Finland, Europe 60º04’ N, 25º08’ E)Lake PääjärviAutomated monitoring station
southern boreal vegetation zone(airT 3.6ºC, precip 660 mm/a )▪ dimictic, humic, oligo-
mesotrophy▪ A 13.4 km2, zmax 85 m▪ ice cover ~150 d
Nov/Dec-Apr/May
Buoy Station▪ met-variables 2001 ▪ temp, O2, pH, conductivity, chl-
a,color (DOC) 2006/7
photos: llpo Hakala
Lake Vesijärvi, southern Finland
lake A 111 km2, Catchment A 509 km2
Max depth 42 m, Mean depth 6 m
Mean retention time 5.4 yrs
Long history of pollution and partial recovery
Map: www.vesku.net / Nevicom Oy
Va a sa
Ko kko la
Kuo p io
J yvä skylä
Ka ja a ni
O ulu
Ro va nie m i
Ta m p e rePo ri
Turku
He lsinki
La p p e e nra nta
J o e nsuu
100 km
Water temperature (5,10,15,20,25,30m)Dissolved oxygen ― II ―Chlorophyll a (2, 7 12 m)Turbidity ― II ―Frequency: every 3-hrs, open water period
2 new stations to the lake in 2007
http://www.vesku.net/?Mittausasema
Automatic monitoring station at Vesijärvi 2004->