NDLI: Biogeochemistry of Major Redox Elements and Mercury in a Tropical Reservoir Lake (Petit Saut, French Guiana)

Please wait, while we are loading the content...

Aquatic Geochemistry : Volume 23

Aquatic Geochemistry : Volume 22

Aquatic Geochemistry : Volume 21

Aquatic Geochemistry : Volume 20

Aquatic Geochemistry : Volume 19

Aquatic Geochemistry : Volume 18

Aquatic Geochemistry : Volume 17

Aquatic Geochemistry : Volume 16

Aquatic Geochemistry : Volume 15

Aquatic Geochemistry : Volume 14

Aquatic Geochemistry : Volume 13

Aquatic Geochemistry : Volume 12

Aquatic Geochemistry : Volume 11

Aquatic Geochemistry : Volume 11, Issue 4, December 2005

Aquatic Geochemistry : Volume 11, Issue 3, September 2005

Aquatic Geochemistry : Volume 11, Issue 2, June 2005

Aquatic Geochemistry : Volume 11, Issue 1, March 2005

Toward an Understanding of Biogenic-silica Dissolution in Seawater – An Initial Rate Approach Applied between 40 and 90 °C

On the Stability of the AlOSi(OH) 3 2+ Complex in Aqueous Solution

Biogeochemistry of Major Redox Elements and Mercury in a Tropical Reservoir Lake (Petit Saut, French Guiana)

Geochemistry of Major Elements in a Pristine Boreal River System; Hydrological Compartments and Flow Paths

Macrophytes Increase Spatial Patchiness of Fluvial Sedimentary Records and Effect Temporal Particulate Nutrient Storage

Instructions For Authors

Aquatic Geochemistry : Volume 10

Aquatic Geochemistry : Volume 9

Aquatic Geochemistry : Volume 8

Aquatic Geochemistry : Volume 7

Aquatic Geochemistry : Volume 6

Aquatic Geochemistry : Volume 5

Aquatic Geochemistry : Volume 4

Aquatic Geochemistry : Volume 3

Aquatic Geochemistry : Volume 2

Biogeochemistry of Major Redox Elements and Mercury in a Tropical Reservoir Lake (Petit Saut, French Guiana)

Content Provider	Springer Nature Link
Author	Peretyazhko, T. Cappellen, P. Meile, C. Coquery, M. Musso, M. Regnier, P. Charlet, L.
Copyright Year	2005
Abstract	The hydroelectric reservoir of Petit Saut, French Guiana, was created in 1994–1995 by flooding 350 km2 of tropical forest. When sampled in 1999, the lake exhibited a permanent stratification separating the 3–5 m thick, oxygenated epilimnion from the anoxic hypolimnion. The rate of anaerobic organic carbon mineralization below the oxycline was on the order of 1 μmol C m−2 s−1 and did not show a pronounced difference between wet and dry seasons. Methanogenesis accounted for 76–83% of anaerobic carbon mineralization, with lesser contributions of sulfate reduction and dissimilatory iron reduction. Upward mixing of reduced inorganic solutes explained 90% of the water column O 2 demand during the dry season, while most O 2 consumption during the wet season was coupled to aerobic respiration of organic matter synthesized in the surface waters. Inorganic mercury species represented 10–40% of total dissolved mercury in the epilimnion, but were of relatively minor importance (≤10%) in the anoxic portion of the water column. Net production of soluble organic mercury compounds in the flooded soils and anoxic water column did not vary significantly between wet and dry seasons. Methylmercury accounted for about 15% of total dissolved mercury below the oxycline. Its estimated net production rate, 0.04 mg m−2 yr−1, is of the same order of magnitude as values reported for contaminated lakes and flooded terrestrial ecosystems.
Starting Page	33
Ending Page	55
Page Count	23
File Format	PDF
ISSN	13806165
Journal	Aquatic Geochemistry
Volume Number	11
Issue Number	1
e-ISSN	15731421
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2005-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	biogeochemistry hydroelectric reservoir mercury Petit Saut redox stratification Geochemistry Hydrogeology
Content Type	Text
Resource Type	Article
Subject	Geophysics Geochemistry and Petrology

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

Bacterial ecology of a young equatorial hydroelectric reservoir (Petit Saut, French Guiana)

Filling of Petit-Saut hydroelectric reservoir (French Guiana): impact on aquatic invertebrates and fish nutriment

Ch4 and co2 emissions and carbon imbalance in a 10-years old tropical reservoir (petit-saut, french guiana).

Long Term Greenhouse Gas Emissions from the Hydroelectric Reservoir of Petit Saut (French Guiana) and Potential Impacts

Biogeochemical Modelling of a Seasonally Anoxic Lake: Calibration of Successive and Competitive Pathways and Processes in Lake Aydat, France

Modeling Geochemically Caused Permanent Stratification in Lake Waldsee (Germany)

CH4 and CO2 emissions and carbon imbalance in a 10-years old tropical reservoir (Petit-Saut, French Guiana)

A Multi-tracers Analysis of Sources and Transfers of Particulate Organic Matter in a Tropical Reservoir ( Petit Saut , French Guiana )

Wildlife rescues—the case of the Petit Saut hydroelectric dam in French Guiana

Biogeochemistry of Major Redox Elements and Mercury in a Tropical Reservoir Lake (Petit Saut, French Guiana)

Similar Documents

Bacterial ecology of a young equatorial hydroelectric reservoir (Petit Saut, French Guiana)

Filling of Petit-Saut hydroelectric reservoir (French Guiana): impact on aquatic invertebrates and fish nutriment

Ch4 and co2 emissions and carbon imbalance in a 10-years old tropical reservoir (petit-saut, french guiana).

Long Term Greenhouse Gas Emissions from the Hydroelectric Reservoir of Petit Saut (French Guiana) and Potential Impacts

Biogeochemical Modelling of a Seasonally Anoxic Lake: Calibration of Successive and Competitive Pathways and Processes in Lake Aydat, France

Modeling Geochemically Caused Permanent Stratification in Lake Waldsee (Germany)

CH4 and CO2 emissions and carbon imbalance in a 10-years old tropical reservoir (Petit-Saut, French Guiana)

A Multi-tracers Analysis of Sources and Transfers of Particulate Organic Matter in a Tropical Reservoir ( Petit Saut , French Guiana )

Wildlife rescues—the case of the Petit Saut hydroelectric dam in French Guiana

Biogeochemistry of Major Redox Elements and Mercury in a Tropical Reservoir Lake (Petit Saut, French Guiana)