Lena River - Water Sampling Data Sheet

Joined: 23 Mar 2004 Posts: 84

Water Data Sheet

1. Date of Test: 4 June 2004

2. Time of Test: 9:45 am

3. Name of aquatic site or description of where it is located:

Lena River at Zhigansk, Sakha Republic, Russia

4. Latitude_66 degrees 45.98’ North Longitude__123 degrees 23.13’ East

5. Type of water: _____lake ___X__river _____other (explain)

6. Color of the water:

_____clear

__X___tea-colored

_____oily

_____cloudy

_____muddy

_____black

_____foamy

_____rusty

_____green

_____gray

___X__brown

7. Classify your site:

__X___rural

_____suburban

_____urban

_____nature preserve

_____other (explain)

8. What is within 10 meters of the water’s edge?

_____concrete

__X__soil

_____trees

__X___rocks

_____other vegetation

_____other (explain)

9. What land uses do you see around the study area?

_____roads

_____mining

__X___forests

_____discharge pipes

_____industry

__X___houses

_____recreation area

_____businesses

__X___schools

_____farms

__X___landfills

How would any of the land uses that you checked above impact the watershed?-

The land uses that we see in Zhigansk probably don’t impact the chemistry of the water that we’re sampling, but upstream impacts from larger cities (such as Yakusk) may.

10. What kinds of plants/trees do you see around the site? Describe them.

In the immediate vicinity of where we sampled from shore, there is very little vegetation (just a bit of some kind of grass). But a bit farther from shore, there are extensive forests of larch (we think).

11. Weather Observations:

Air Temperature:__6.3 degrees C___

Water Temperature:__1.8 degrees C___

Sky Conditions (circle): *_clear_* partly cloudy cloudy

Description, type, or drawing of any clouds present:

Current Precipitation: __X__none type_________________________

Precipitation within the past 24 hours: __X___none type________________

Wind speed (circle): calm, *_gentle breeze_*, moderate breeze, strong breeze, gale, storm, hurricane.

12. pH circle one 1 2 3 4 5 6 7 *_8_* 9 10 11 12 13 14

13. Current Speed:__about 300___cm/sec

14. Dissolved Oxygen-O_2 (use tablets) - high

15. Phosphate (use tablets) - very low

16. Nitrate (use tablets) – very low