Ray G. Semkin: search on Z-Library

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1

Tracing the Sources of Exported Nitrate in the Turkey Lakes Watershed Using${}^{15}{\rm N}/{}^{14}{\rm N}$and18O/16O Isotopic Ratios

John Spoelstra, Sherry L. Schiff, Richard J. Elgood, Ray G. Semkin and Dean S. Jeffries

Journal:

Year:

2001

Language:

english

File:

PDF, 2.08 MB

english, 2001

2

Enantioselective Breakdown of .alpha.-Hexachlorocyclohexane in a Small Arctic Lake and its Watershed

Falconer, Renee L., Bidleman, Terry F., Gregor, Dennis J., Semkin, Ray., Teixeira, Camilla.

Journal:

Environmental Science & Technology

Year:

1995

Language:

english

File:

PDF, 1.58 MB

english, 1995

3

Trends in the Output of First-order Basins at Turkey Lakes Watershed, 1982–96

Fredrick D. Beall, Ray G. Semkin, Dean S. Jeffries

Journal:

Year:

2001

Language:

english

File:

PDF, 207 KB

english, 2001

4

Hydrologic Pathways during Snowmelt in First-order Stream Basins at the Turkey Lakes Watershed

Paul W. Hazlett, Ray G. Semkin, Frederick D. Beall

Journal:

Year:

2001

Language:

english

File:

PDF, 160 KB

english, 2001

5

A Mass Balance Model Describing Multiyear Fate of Organochlorine Compounds in a High Arctic Lake

Helm, Paul A., Diamond, Miriam L., Semkin, Ray, Strachan, William M. J., Teixeira, Camilla, Gregor, Dennis

Journal:

Environmental Science & Technology

Year:

2002

Language:

english

File:

PDF, 128 KB

english, 2002

6

Tracing the Sources of Exported Nitrate in the Turkey Lakes Watershed Using15N/14N and18O/16O isotopic ratios

John Spoelstra, Sherry L. Schiff, Richard J. Elgood, Ray G. Semkin, Dean S. Jeffries

Journal:

Year:

2001

Language:

english

File:

PDF, 135 KB

english, 2001

7

Degradation as a Loss Mechanism in the Fate of α-Hexachlorocyclohexane in Arctic Watersheds

Helm, Paul A., Diamond, Miriam L., Semkin, Ray, Bidleman, Terry F.

Journal:

Environmental Science & Technology

Year:

2000

Language:

english

File:

PDF, 94 KB

english, 2000

8

Hydrologic Pathways during Snowmelt in First-Order Stream Basins at the Turkey Lakes Watershed

Paul W. Hazlett, Ray G. Semkin and Frederick D. Beall

Journal:

Year:

2001

Language:

english

File:

PDF, 2.00 MB

english, 2001

9

Freshwater Ecosystems and Climate Change in North America || Ecosystem Processes at the Watershed Scale: Sensitivity to Potential Climate Change

Lawrence E. Band, D. Scott Mackay, Irena F. Creed, Ray Semkin and Dean Jeffries

Journal:

Limnology and Oceanography

Year:

1996

Language:

english

File:

PDF, 2.44 MB

english, 1996

10

Effect of Storage on the Isotopic Composition of Nitrate in Bulk Precipitation

Spoelstra, John, Schiff, Sherry L., Jeffries, Dean S., Semkin, Ray G.

Journal:

Environmental Science & Technology

Year:

2004

Language:

english

File:

PDF, 64 KB

english, 2004

11

Trends in the Output of First-Order Basins at Turkey Lakes Watershed, 1982-96

Fredrick D. Beall, Ray G. Semkin and Dean S. Jeffries

Journal:

Year:

2001

Language:

english

File:

PDF, 3.01 MB

english, 2001

12

Modelling the fate of non-polar organic chemicals during the melting of an Arctic snowpack

Frank Wania, Ray Semkin, John T. Hoff, Donald Mackay

Journal:

Hydrological Processes

Year:

1999

Language:

english

File:

PDF, 335 KB

english, 1999

13

Contaminant fate in high arctic lakes: development and application of a mass balance model

Hilary Freitas, Miriam Diamond, Ray Semkin, Dennis Gregor

Journal:

Science of The Total Environment

Year:

1997

Language:

english

File:

PDF, 2.28 MB

english, 1997

14

Ecosystem processes at the watershed scale: Sensitivity to potential climate change

BAND, LAWRENCE E., MACKAY, D. SCOTT, CREED, IRENA F., SEMKIN, RAY, JEFFRIES, DEAN

Journal:

Limnology and Oceanography

Year:

1996

Language:

english

File:

PDF, 1.97 MB

english, 1996

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