Samar Khatiwala

Samar Khatiwala
Oceanography 204
Lamont Doherty Earth Observatory
Columbia University
Palisades, NY 10964

Email: spk@ldeo.columbia.edu
Phone: 845-365-8454
Fax: 845-365-8736

Curriculum Vitae

CV.

Publications

Siddall, M., S. Khatiwala, T. van de Flierdt, K. Jones, S. Goldstein, S. Hemming, and R. F. Anderson (2008). Towards explaining the Nd paradox using reversible scavenging in an ocean general circulation model. Earth Planet. Sci. Lett. (submitted). PDF

Khatiwala, S. (2008). Fast spin up of ocean biogeochemical models using matrix-free Newton-Krylov. Ocean Modelling (submitted). PDF

Jones, K., S. Khatiwala, T. van de Flierdt, S. Hemming, and S. Goldstein (2007). Modeling the distribution of Nd isotopes in the oceans using an offline ocean general circulation model. Earth Planet. Sci. Lett. (submitted).

Merlis, T. and S. Khatiwala (2008). Fast dynamical spin-up of ocean general circulation models using Newton-Krylov methods. Ocean Modelling, 21, 97-105. PDF

Khatiwala, S. (2007). A Computational Framework for Simulation of Biogeochemical Tracers in the Ocean. Glob. Biogeochem. Cycles, 21,GB3001, doi:10.1029/2007GB002923. PDF

Nelson, N. B., D. A Siegel, C. A. Carlson, C. Swan, W. M. Smethie, and Khatiwala, S. (2007). Hydrography of Chromophoric Dissolved Organic Matter in the North Atlantic. Deep Sea Res. I, 54, 710-731. PDF

Terenzi, F., T. M. Hall, Khatiwala, S., C. B. Rodehacke, and D. A. LeBel (2007). Uptake of natural and anthropogenic carbon by the Labrador Sea. Geophys. Res. Lett., 34, doi:10.1029/2006GL028543. PDF

Khatiwala, S., M. Visbeck, and M. A. Cane (2005). Accelerated simulation of passive tracers in ocean circulation models. Ocean Modelling, 9, 51-69. PDF

Hall, T. M., D. W. Waugh, T. W. N. Haine, P. E. Robbins, and S. Khatiwala (2004). Estimates of anthropogenic carbon in the Indian Ocean with allowance for mixing and time-varying air-sea CO₂ disequilibrium. Glob. Biogeochem. Cycles, 18, doi:10.1029/2003GB002120. PDF

Khatiwala, S. (2003). Generation of internal tides in an ocean of finite depth: Analytical and numerical calculations. Deep-Sea Res. I, 50, 3-21. PDF

Schšrghofer, N., O. Aharonson, and S. Khatiwala (2002). Slope streaks on Mars: Correlations with surface properties and the potential role of water. Geophys. Res. Lett., 29, doi:10.1029/2002GL015889. PDF

Khatiwala, S., P. Schlosser, and M. Visbeck (2002). Rates and mechanisms of water mass transformation in the Labrador Sea as inferred from tracer observations, J. Phys. Oceanogr, 32, 666-686. PDF

Schlosser, P., R. Newton, B. Ekwurzel, S. Khatiwala, R. Mortlock, and R. Fairbanks (2002). Decrease of river runoff in the upper waters of the Eurasian Basin, Arctic Ocean, between 1991 and 1996: Evidence from δ¹⁸O data. Geophys. Res. Lett., 29, doi:10.1029/2001GL013135. PDF (correction)

Khatiwala, S., B.E. Shaw, and M.A. Cane (2001). Enhanced sensitivity of persistent events to weak forcing in dynamical and stochastic systems: Implications for climate change, Geophys. Res. Letts., 28, 2633-2636. PDF

Khatiwala, S., M. Visbeck, and P. Schlosser (2001). Age tracers in an ocean GCM, Deep-Sea Res. I, 48, 1423-1441. PDF

Khatiwala, S. and M. Visbeck (2000). An estimate of the eddy-induced circulation in the Labrador Sea, Geophys. Res. Letts., 27, 2277-2280. PDF

Schlosser, P., B. Ekwurzel, S. Khatiwala, R. Newton, W. Maslowski, and S. Pfirman (2000). Tracer studies of the Arctic freshwater budget, In: Freshwater balance of the Arctic Ocean, NATO, ed. E. L. Lewis.

Khatiwala, S., R. G. Fairbanks, and R. Houghton (1999). Freshwater sources to the coastal ocean off northeastern North America: Evidence from H2O18/H2O16, J. Geophys. Res., 104, 18241-18255. PDF

Schlosser, P., R. Bayer, G. Bonisch, L. Cooper, B. Ekwurzel, W. J. Jenkins, S. Khatiwala, S. Pfirman, and W. M. Smethie (1999). Pathways and mean residence times of dissolved pollutants in the ocean derived from transient tracers and stable isotopes, Science of the Total Environment, 237/238, 15-30.

Weppernig, R., P. Schlosser, S. Khatiwala, and R. G. Fairbanks (1996). Isotope data from Ice Station Weddell: Implications for deep water formation in the Weddell Sea, J. Geophys. Res., 101, 25723-25739. PDF