Chlorophyll-a Nitrate+Nitrite Ammonium Ortho-Phosphate Silicate

Site 7: Childs River, Edwards- Chlorophyll-a (μg/L)

 

Surface

1993

1994

1995

1996

1997

1998

1999

2000

2001

2002

2003

2004

January

 

 

 

 

 

NA

NA

NA

NA

NA

NA

NA

February

 

 

 

 

 

NA

NA

NA

NA

NA

NA

NA

March

 

 

 

 

 

0.9

1.1

 

1.0

1.1

ICE

 

April

 

 

 

 

 

 

1.5

 

15.1

11.9

5.8

 

May

 

 

 

 

 

2.1

15.0

2.2

13.6

3.0

39.0

 

Early June

 

 

 

 

 

3.1

2.2

1.4

1.3

3.7

 

 

Late June

 

 

 

 

 

3.1

5.1

2.8

2.6

2.0

 

 

Early July

 

 

 

 

 

8.6

2.3

6.0

3.8

 

20.0

 

Late July

 

 

 

 

 

25.8

7.8

 

7.7

14.8

10.5

 

Early August

 

 

 

 

 

9.2

18.3

45.4

25.7

24.5

20.0

 

Late August

 

 

 

 

 

17.5

11.7

19.5

37.0

17.6

16.7

 

Early September

 

 

 

 

 

15.7

9.2

20.7

11.7

12.6

 

 

Late September

 

 

 

 

 

12.9

7.3

7.0

14.1

38.2

21.7

 

October

 

 

 

 

 

15.7

1.3

25.5

12.4

10.8

20.0

 

November

 

 

 

 

 

5.8

1.0

3.1

1.5

2.5

1.3

 

December

 

 

 

 

 

NA

NA

NA

NA

NA

NA

NA

 

Site 7: Childs River, Edwards - Nitrate+Nitrite (μmols/L)

 

Surface

1993

1994

1995

1996

1997

1998

1999

2000

2001

2002

2003

2004

January

 

 

 

 

 

 

 

 

 

 

ICE

ICE

February

 

 

 

 

 

 

 

 

 

14.2

ICE

 

March

 

 

 

 

 

 

 

 

 

2.4

ICE

 

April

 

 

 

 

 

 

 

 

 

11.9

 

 

May

 

 

 

 

 

 

 

 

28.7

7.1

 

 

Early June

 

 

 

 

 

 

 

 

4.9

2.3

 

 

Late June

 

 

 

 

 

 

 

 

7.0

4.3

 

 

Early July

 

 

 

 

 

 

 

 

8.9

 

 

 

Late July

 

 

 

 

 

 

 

 

1.1

 

 

 

Early August

 

 

 

 

 

 

 

 

17.4

 

 

 

Late August

 

 

 

 

 

 

 

 

10.7

 

 

 

Early September

 

 

 

 

 

 

 

 

16.4

0.0

 

 

Late September

 

 

 

 

 

 

 

 

13.5

0.2

 

 

October

 

 

 

 

 

 

 

 

2.7

1.0

 

 

November

 

 

 

 

 

 

 

 

16.2

20.6

 

 

December

 

 

 

 

 

 

 

 

3.5

 

 

 

 

Site 7: Childs River, Edwards - Ammonium (μmols/L)

 

Surface

1993

1994

1995

1996

1997

1998

1999

2000

2001

2002

2003

2004

January

 

 

 

 

 

 

 

 

 

 

ICE

ICE

February

 

 

 

 

 

 

 

 

 

1.2

ICE

 

March

 

 

 

 

 

 

 

 

 

1.3

ICE

 

April

 

 

 

 

 

 

 

 

 

1.1

 

 

May

 

 

 

 

 

 

 

 

4.1

1.1

 

 

Early June

 

 

 

 

 

 

 

 

8.7

3.6

 

 

Late June

 

 

 

 

 

 

 

 

10.7

4.2

 

 

Early July

 

 

 

 

 

 

 

 

18.7

 

 

 

Late July

 

 

 

 

 

 

 

 

10.6

 

 

 

Early August

 

 

 

 

 

 

 

 

6.2

 

 

 

Late August

 

 

 

 

 

 

 

 

12.5

 

 

 

Early September

 

 

 

 

 

 

 

 

9.9

3.8

 

 

Late September

 

 

 

 

 

 

 

 

15.8

1.5

 

 

October

 

 

 

 

 

 

 

 

1.8

6.5

 

 

November

 

 

 

 

 

 

 

 

1.8

3.8

 

 

December

 

 

 

 

 

 

 

 

0.6

 

 

 

 

Site 7: Childs River, Edwards - Ortho-Phosphate (μmols/L)

 

Surface

1993

1994

1995

1996

1997

1998

1999

2000

2001

2002

2003

2004

January

 

 

 

 

 

 

 

 

 

 

ICE

ICE

February

 

 

 

 

 

 

 

 

 

0.6