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
Research
Anthropogenic
carbon in the ocean
Ocean
transport time-scales
Teaching
S3101
Linear
Algebra
G9810
Waves
G4210
Geophysical Fluid Dynamics (2004)
G4210
Geophysical Fluid Dynamics (2005)
G9802
Geochemistry Seminar on Modeling of Paleoceanographic Proxies (2006)
V2100
Climate System (2007)
Programming
Matlab
code
Instructions
for installing scientific computing software on Mac OS X
My
fortran I/O
library
Miscellaneous
PETSc Utilities