Zobrazeno 1 - 10
of 98
pro vyhledávání: '"ELEMENT CHIMIQUE MAJEUR"'
The large floodplains associated with the Amazon River and its main tributaries affect water transport, influence sediment and chemical budgets and support highly diverse ecosystems and productive fi sheries. Approximately 25% of the Amazon River dis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______932::1af6831c754e5ef7503c398ca615d175
http://www.documentation.ird.fr/hor/fdi:010070550
http://www.documentation.ird.fr/hor/fdi:010070550
Publikováno v:
Applied Geochemistry. 17:1343-1349
Numerous chemical analyses undertaken during the last 4 a in the Niamey area of the Continental Terminal groundwaters (SW Niger, Africa) reveal large seasonal variations and high NO3 content (up to 2.87 meq/l). The positive correlation between conduc
Autor:
Camille Bouchez, Pierre Deschamps, Julio Gonçalvès, Bruno Hamelin, Seidel, J. L., Jean Claude Doumnang
Publikováno v:
EGU General Assembly
EGU General Assembly, Apr 2014, Vienne, Austria
HAL
EGU General Assembly, Apr 2014, Vienne, Austria
HAL
International audience; Assessment of recharge, paleo-recharge and groundwater residence time of aquifer systems of the Sahel is pivotal for a sustainable management of this vulnerable resource. Due to its stratified aquifer system, the Lake Chad Bas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::bb0078d9685666b7200ffa51fe2709f8
https://hal.umontpellier.fr/hal-02069497
https://hal.umontpellier.fr/hal-02069497
Autor:
Monnin, C., Chavagnac, V., Boulart, C., Ménez, C., Gérard, Martine, Gérard, E., Pisapia, C., Quéméneur, Marianne, Erauso, G., Postec, A., Guentas-Dombrowsky, Linda, Payri, Claude, Pelletier, Bernard
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______932::aca095050d2342c5c7339e5e99051431
http://www.documentation.ird.fr/hor/fdi:010063161
http://www.documentation.ird.fr/hor/fdi:010063161
Publikováno v:
Chemical Geology. 170:113-131
Suspended matter (SM) from the Nyong basin (Cameroon, Africa), a tropical watershed, was collected by tangential flow ultrafiltration to separate particulate (>0.45 μm) and colloidal ( 20 kDa) fractions. In this basin, two distinctive systems in a s
Autor:
Jean-Loup Guyot, Françoise Elbaz-Poulichet, Patrick Seyler, C. Dupuy, Laurence Maurice-Bourgoin
Publikováno v:
Chemical Geology. 157:319-334
The distribution of trace elements (Sr, Mo, Ba, Rb, U, Mn, Ni, Cu, Zn, and Cd) was investigated in surface waters and associated particulates in two upper Amazonian basins (Mamore and Beni). Dissolved Sr, Ba, Mo, Rb, U and to a lesser extent Zn and C