Publications

Publications using data from SO-BVET

  1. Borges, A.V., Darchambeau, F., Teodoru, C.R., Marwick, T.R., Tamooh, F., Geeraert, N., Omengo, F.O., Guerin, F., Lambert, T., Morana, C., Okuku, E., Bouillon, S., (2015) Globally significant greenhouse-gas emissions from African inland waters. Nature Geosci., doi:10.1038/ngeo2486
  2. Gurumurthy, G.P., Balakrishna, K., Tripti, M., Riotte, J., Audry, S., Braun, J.-J., Lambs, L., Udaya Shankar, H.N. (2015) Sources of major ions and processes affecting the geochemical and isotopic signatures of subsurface waters along a tropical river, Southwestern India. Environ. Earth Sci., 73, 333-346
  3. Riotte, J., Maréchal, J.C., Audry, S., Kumar, C., Bedimo Bedimo, J.P., Ruiz, L., Sekhar, M., Cisel, M., Chitra Tarak, R., Varma, M.R.R., Lagane, C., Reddy, P., Braun, J.J. (2014) Vegetation impact on stream chemical fluxes: Mule Hole watershed (South India). Geochim. Cosmochim. Acta 145, 116-138
  4. Akerman, A., Poitrasson, F., Oliva, P., Audry, S., Prunier, J., Braun, J.-J. (2014) The isotopic fingerprint of Fe cycling in an equatorial soil–plant–water system: The Nsimi watershed, South Cameroon. Chem. Geol., 385, 104-116.
  5. Conrad, R., Claus, P., Chidthaisong, A., Lu, Y., Fernandez Scavino, A., Liu, Y., Angel, R., Galand, P.E., Casper, P., Guerin, F., Enrich-Prast, A. (2014) Stable carbon isotope biogeochemistry of propionate and acetate in methanogenic soils and lake sediments. Org. Geochem., 73, 1-7
  6. Audry S., Akerman A., Riotte J., Oliva P., Maréchal J.C., Fraysse F., Pokrovsky O.S., Braun J.J. (2014) Contribution of forest fire ash and plant litter decay on stream dissolved composition in a sub-humid tropical watershed (Mule Hole, Southern India). Chem. Geol., 372, 144-161
  7. Y. Fan, H. Li, G. Miguez-Macho (2013) Global Patterns of Groundwater Table Depth, Science, 339, 940.
  8. Siva Soumya B., Sekhar M., Riotte J., Banerjee A., Braun J.J. (2013) Characterization of groundwater chemistry under the influence of lithologic and anthropogenic factors along a climatic gradient in Upper Cauvery basin, South India. Environ. Earth Sci., 69, 2311–2335
  9. Chaudhuri A., Sekhar M., Descloitres M., Godderis Y., Ruiz L., Braun J.J. (2013) Constraining complex aquifer geometry with geophysics (2-D ERT and MRS measurements) for stochastic modelling of groundwater flow. J. Appl. Geophys., 98, 288–297.
  10. Sreelash K., Sekhar M., Ruiz L., Buis S. and Bandyopadhyay S. (2013) Improved Modeling of Groundwater Recharge in Agricultural Watersheds Using a Combination of Crop Model and Remote Sensing. J. Indian Institute of Science, 93, 189-208.
  11. Braun, J.J., Maréchal, J.C., Riotte, J., Boeglin, J.L., Bedimo Bedimo, J.P., Ndam Ngoupayou, J.R., Nyeck, B., Robain, H., Sekhar, M., Audry, S., Viers, J. (2012) Elemental weathering fluxes and saprolite production rate in a Central African lateritic terrain (Nsimi, South Cameroon). Geochim. Cosmochim. Acta, 99, 243–270.
  12. Mangiarotti,S., Sekhar, M., Berthon, L., Javeed, Y., Mazzega, P. (2012) Causality analysis of groundwater dynamics based on a vector autoregressive model in the semi-arid basin of Gundal (South India) J. Appl. Geophys., 83, 1-10.
  13. Sreelash K., Sekhar M., Ruiz L., Tomer S.K., Guérif M., Buis S., Durand P., Gascuel-Odoux, C.  (2012) Parameter estimation of a two-horizon soil profile by combining crop canopy and surface soil moisture observations using GLUE. J. Hydrol., 456, 57-67.
  14. Siva Soumya, B., Sekhar, M., Riotte, J., Audry, S., Lagane, C., Braun, J.J. (2011) Inverse models to analyze the spatiotemporal variations of chemical weathering fluxes in a granito-gneissic watershed: Mule Hole, South India. Geoderma, 165, 12-24.
  15. Maréchal, J.C., Riotte, J., Lagane, C., Subramanian, S., Kumar, C., Ruiz, L., Audry, S., M.R.R. Varma, Braun, J.J. (2011) Deep groundwater flow as the main pathway for chemical outputs in a small headwater watershed (Mule Hole, South India). Appl. Geochem., 26, S94–S96.
  16. Maréchal J.C., Braun J.J., Riotte J., Bedimo Bedimo J.P. and Boeglin J.L. (2011) Hydrological Processes of a Rainforest Headwater Swamp from Natural Chemical Tracing in Nsimi Watershed, Cameroon. Hydrol. Process., 25, 2246-2260.
  17. Parate H.R., Mohan Kumar M. S., Descloitres M., Barbiero L., Ruiz L., Braun J.J., Sekhar M. and Kumar C. (2011) Comparison of electrical resistivity by geophysical method and neutron probe logging for soil moisture monitoring in a forested watershed. Curr. Sci., 100, 1405-1412.
  18. Barbiéro, L., Kumar, M.S.M., Violette, A., Oliva, P., Braun, J.J., Kumar, C., Furian, S., Babic, M., Riotte, J., Valles, V. (2010) Ferrolysis induced soil transformation by natural drainage in Vertisols of sub-humid South India. Geoderma, 156, 173-188.
  19. Ruiz, L., Varma, M.R.R., Kumar, M.S.M., Sekhar, M., Maréchal, J.-C., Descloitres, M., Riotte, J., Kumar, S., Kumar, C., Braun, J.-J. (2010) Water balance modelling in a tropical watershed under deciduous forest (Mule Hole, India): Regolith matric storage buffers the groundwater recharge process. J. Hydrol., 380, 460-472.
  20. Violette, A., Riotte, J., Braun, J.-J., Oliva, P., Marechal, J.-C., Sekhar, M., Jeandel, C., Subramanian, S., Prunier, J., Barbiero, L., Dupre, B. (2010) Formation and preservation of pedogenic carbonates in South India, links with paleo-monsoon and pedological conditions: Clues from Sr isotopes, U–Th series and REEs. Geochim. Cosmochim. Acta, 74, 7059-7085.
  21. Violette, A., Goddéris, Y., Maréchal, J.-C., Riotte, J., Oliva, P., Kumar, M.S.M., Sekhar, M., Braun, J.-J. (2010) Modelling the chemical weathering fluxes at the watershed scale in the Tropics (Mule Hole, South India): Relative contribution of the smectite/kaolinite assemblage versus primary minerals. Chem. Geol., 277, 42-60.
  22. Barbiero L. , Mohan Kumar M.S. , Violette A. , Oliva P. , Braun J.J. , Kumar C. , Furian S. , Babic M. , Riotte J. , Valles V. , 2009. Soil transformations through ferrolysis induced by natural drainage in Vertisols of sub-humid South India. Geoderma, 156, 173-188
  23. Braun J. J. , Descloitres  M. , Riotte J. , Fleury S. , Barbiero L. , Boeglin J. L. , Violette A. , Lacarce E. , Ruiz L. , Sekhar M. , Kumar M. S. M. , Subramanian S. , and Dupre B. (2009) Regolith mass balance inferred from combined mineralogical, geochemical and geophysical studies: Mule Hole gneissic watershed, South India. Geochim. Cosmochim. Acta, 73, 935-961.
  24. Brunet F. , Dubois K ., Veizer J. , Nkoue Ndondo G.R. , Ndam Ngoupayou J.R. , Boeglin J.L. , Probst J.L. (2009) Terrestrial and fluvial carbon fluxes in a tropical watershed: Nyong basin, Cameroon. Chem. Geol., 265, 563-572.
  25. Maréchal, J.-C., Varma, M.R.R., Riotte, J., Vouillamoz, J.-M., Kumar, M.S.M., Ruiz, L., Sekhar, M., Braun, J.-J. (2009) Indirect and direct recharges in a tropical forested watershed: Mule Hole, India. J. Hydrol., 364, 272-284.
  26. Soumya B.S., Sekhar M., Riotte J., Braun J.J. (2009) Non-linear regression model for spatial variation in precipitation chemistry for South India. Atmos. Env., 43, 1147-1152.
  27. Soumya B.S., Sekhar M. , Riotte J. , and Braun J. J.  (2009) Non-linear regression model for spatial variation in precipitation chemistry for South India. Atmo. Environ., 43, 1147-1152.
  28. Descloitres M., Ruiz L., Sekhar M., Legchenko A., Braun J. J., Kumar M. S. M., and Subramanian S. (2008) Characterization of seasonal local recharge using electrical resistivity tomography and magnetic resonance sounding. Hydrol. Process., 22, 384-394.
  29. Poitrasson F. , Viers J. , Martin F. , and Braun J. J. (2008) Limited iron isotope variations in recent lateritic soils from Nsimi, Cameroon: Implications for the global Fe geochemical cycle. Chem. Geol., 253, 54-63.
  30. Sekhar M. , Braun J. J. , Rao K. V. H. , Ruiz L. , Robain H. , Viers J. , Ndam J. R. , and Dupre B. (2008) Hydrogeochemical modeling of organo-metallic colloids in the Nsimi experimental watershed, South Cameroon. Environ. Geol., 54, 831-841.
  31. Barbiero L. , Parate H. R. , Descloitres M. , Bost A. , Furian S. , Kumar M. S. M. , Kumar C. , and Braun J. J.  (2007) Using a structural approach to identify relationships between soil and erosion in a semi-humid forested area, South India. Catena, 70, 313-329.
  32. Delattre S. , Utsunomiya S. , Ewing R. C. , Boeglin J. L. , Braun J. J. , Balan E. , and Calas G. (2007) Dissolution of radiation-damaged zircon in lateritic soils. Amer. Mineral., 92, 1978-1989.
  33. Viers J. , Oliva P. , Nonell Gélabert A. , Sonke J. E. , Freydier R. , Gainville R. , Dupré B. (2007) Evidence of Zn isotopic fractionation in a soil-plant system of a pristine tropical watershed (Nsimi, Cameroon). Chem. Geol., 239, 124-137.
  34. Sivry Y. , Riotte J. and Dupré B. (2006) Study of metal-colloidal humic acids interactions by coupling ultrafiltration and isotopic tracers. Application to natural waters. J. Geochem. Explor., 88, 144-147.
  35. Braun J.J. , Ndam-Ngoupayou J.R. , Viers J. , Dupré B. , Bedimo-Bedimo J.P. , Boeglin J.L. , Robain H. , Nyeck B. , Freydier R. , Sigha-Nkamdjou L. , Rouiller J. , Muller J.P. (2005) Present weathering rates in a humid tropical watershed Nsimi site (South Cameroon). Geochim. Cosmochim. Acta., 69, 357-387.
  36. Cary L. , Alexandre A. , Meunier J. D. , Boeglin J. L. , and Braun J. J.  (2005) Contribution of phytoliths to the suspended load of biogenic silica in the Nyong basin rivers (Cameroon). Biogeochemistry, 74, 101-114.
  37. Boeglin J.L. , Probst J.L. , Ndam-Ngoupayou J.R. , Nyeck B. , Etcheber H. , Mortatti J. and Braun J.J. (2004) Soil carbon and river carbon fluxes in humid tropical environment the Nyong River basin (South Cameroon). In Erosion and Carbon Dynamics, E. Roose R. , Lal C. , Feller B. , Barthès B. , Stewart Eds, Advances in Soil Science, CRC Publisher.
  38. Boeglin J.L., Ndam-Ngoupayou J.R. and Braun J.J. (2003) Composition of the different reservoir waters in a tropical humid area example of the Nsimi catchment (Southern Cameroon). Journ. Afric. Earth Sci., 37, 103-110.
  39. Yene Atangana J.Q. , Nyeck B. , Bitom D. and Robain H. (2003) Self potential anomalies in the lateritic cover of the Nsimi watershed in Southern Cameroon origin and influence of electrical and granulometric parameters. J. Appl. Geophys., 54, 85-96.
  40. Braun J.J. , Dupré B. , Viers J. , Ndam-Ngoupayou J.R., Bedimo-Bedimo J.P. , Sigha-Nkamdjou L. , Freydier R. , Robain H. , Nyeck B. , Bodin J. , Olivié-Lauquet G. , Boeglin J.L. , Oliva P. , Stemmler S. and Berthelin J. (2002) Biogeohydrodynamic in the forested humid tropical environment the case study of the Nsimi experimental watershed (South Cameroon). Bull. Soc. Géol. France, 173, 347-357.
  41. Freydier R. , Dupré B. , Dandurand J.L. , Fortuné J.P. and Sigha-Nkamdjou L. (2002) Trace elements and major species in precipitation at African stations concentrations and sources. Bull. Soc. Géol. France, 173, 129-146.
  42. Olivié-Lauquet G. , Allard T. , Bertaux J. and Muller J.P. (2000) Crystal-chemistry of suspended matter in atropical hydrosystem Nyong basin (Cameroon, Africa). Chem. Geol., 170, 113-131.
  43. Viers J. , Dupré B. , Braun  J.J. , Freydier R. , Ndam-Ngoupayou J.R. , Sigha-Nkamdjou L. (2001) Evidence of non-conservative behaviour of chlorine in humid tropical environments. Aquatic Geochem., 7, 127-154.
  44. Viers J. , Dupré B. , Braun J.J. , Debert S. , Angeletti B. , Michard A. and Ndam-Ngoupayou J.R. (2000) Major and trace element abundances and strontium isotopes in the Nyong basin river (Cameroon) constrains on chemical weathering processes and element transport mechanisms in humid tropical environments. Chem. Geol., 169, 211-241.
  45. Olivié-Lauquet G. , Allard T. , Benedetti M. , Muller J.P. (1999) Chemical distribution of trivalent iron in riverine material from a tropical ecosystem a quantitative EPR study. Wat. Res., 33, 2726-2734.
  46. Dupré B. , Viers J. , Dandurand J.L. , Polvé M. , Benezeth P. , Vervier P. and Braun J.J. (1999) Major and trace elements associated with colloids in organic-rich river waters ultrafiltration of natural and spiked solutions. Chem. Geol., 160, 63-80.
  47. Oliva P. , Viers J. , Dupré B. , Fortuné J.P. , Martin F. , Braun J.J. , Nahon D. and Robain H. (1999) The effect of organic matter on chemical weathering, study of a small tropical watershed Nsimi-Zoetele, Cameroun. Geochim. Cosmochim. Acta, 63, 4013-4035.
  48. Braun J.J. , Bedimo-Bedimo J.P. , Robain H. , Nyeck B. , Ndam-Ngoupayou J.R. , Viers J. , Dupré B. , Olivié-Lauquet G. , Yene-Atangana Q. and Takeu A. (1998) Fonctionnement des écosystèmes tropicaux humides influence sur les ressources hydriques et la qualité des eaux - exemple du bassin fluvial du Nyong (Sud-Cameroun). In Géosciences au Cameroun, J.P. Vicat et P. Bilong Eds, Coopération Française, Presses Universitaires Yaoundé, Cameroun, p. 23-40.
  49. Viers J. , Dupré B. , Polvé M. , Dandurand J.L. and Braun J.J (1997) Chemical weathering in the drainage basin of a tropical watershed (Nsimi-Zoetele site, Cameroon) comparison between organic-poor and organic-rich waters. Chem. Geol., 140, 181-206.
  50. Robain H. , Descloitres M. , Ritz M. and Yene Atangana Q. (1996) A multiscale electrical survey of a lateritic soil system in the rain forest of Cameroon. J. Appl. Geophys., 34, 237-253.
  51. Bitom D. et Volkoff B. (1993) Altération déferruginisante des cuirasses massives et formation des horizons gravillonnaires ferrugineux dans les sols de l'Afrique Centrale humide. C.R. Acad. Sci. Paris, t. 316, série II, 1447-1454.
  52. Bilong P. , Eno Belinga S.M. et Volkoff B. (1992) Séquence d'évolution des paysages cuirassés et des sols ferrallitiques en zones forestières tropicales d'Afrique Centrale. Place des sols à horizons d'argiles tachetées. C.R. Acad. Sci. Paris, t. 314 série II, 109-115.

PhD Thesis

K. Sreelash (2014) Estimation of root zone soil hydraulic properties by inversion of STICS crop model using ground or microwave remote sensing observations. PhD thesis, Indian Institute of Science, Bangalore, India

Sat Kumar Tomer (2012) Soil moisture modelling, retrieval from microwave remote sensing and assimilation in a tropical watershed. PhD thesis, Indian Institute of Science, Bangalore, India

Violette A. (2010) Processus et Bilans d'altération en milieu tropical (bassin versant de Mule Hole, Inde du Sud) : Sensibilité à la Composition Minéralogique et au Climat. PhD Thesis, Univ. Toulouse III,

Murari R.R.V. (2009) Water balance studies in a small experimental forested watershed in of South India. PhD thesis, Indian Institute of Science, Bangalore, India. 183 p.

Nkoue Ndondo G. (2008) Le cycle du carbone en domaine tropical humide : exemple du bassin versant forestier du Nyong au Sud Cameroun. PhD Thesis, Univ. Toulouse, 228 p.

Stemmler S. (2001) Altération microbienne des minéraux dans les sols hydromorphes, incidence du couplage entre les cycles du carbone et du fer. PhD Thesis, Univ. Nancy I, 208 p.

Viers J. (1998) Altération chimique et transport des éléments (majeurs et en trace) en milieu tropical humide (Cameroun) - Etude du fonctionnement géochimique d'une couverture latéritique à partir de profils de sols et de solutions (nappes, rivières). PhD Thesis, Univ. Toulouse III, 157 p.

Freydier R. (1997) Chimie des précipitations en Afrique intertropicale cations et anions majeurs, éléments traces et acides organiques. PhD Thesis, Univ. Toulouse III, 199 p.

Ndam-Ngoupayou J.R. (1997) Bilans hydrogéochimiques sous forêt tropicale humide en Afrique du bassin expérimental de Nsimi-Zoétélé aux réseaux hydrographiques du Nyong et de la Sanaga (Sud-Cameroun). PhD Thesis, Univ. Paris VI, 214 p., 2 annexes.

Olivié-Lauquet G. (1996) Analyse des transferts solides dans la géosphère tropicale exemple du bassin versant du Nyong (Cameroun). PhD Thesis, Univ. Paris VII, 204 p.

Nyeck B. (1988) Organisation et aptitude culturale des sols de Zoétélé dans la région forestière humide du Sud-Cameroun. Etude de deux toposéquences sur granite. Thèse 3ème cycle, Univ. Yaoundé, 324 p.