List of Publications
(* indicates supervised articles)
No.
 		Authors Title Year Journal
70 Ghosh Jayashree, Kunal Chakraborty  Vinu Valsala, Trishneeta Bhattacharya, Prasanna Kanti Ghoshal A Review of the Indian Ocean Carbon Dynamics, Acidity, and Productivity in a Changing Environment 2024 Progress in Oceanography, Volume 221, 103210
https://doi.org/10.1016/j.pocean.2024.103210
69 Lekshmi, S., Rajib Chattopadhyay, D. S
. Pai, M. Rajeevan, Vinu Valsala, K. S. Hosalikar & M. Mohapatra 		On the relative role of east and west pacific sea surface temperature (SST) gradients in the prediction skill of Central Pacific NINO3.4 SST 2023 Ocean Dynamics, Volume 73, pages 773–791
https://doi.org/10.1007/s10236-023-01581-9
68 Chakraborty, K.,, A.P. Joshi, Prasanna
 Kanti Ghoshal, Jayashree Ghosh, Anirban Akhand, Trishneeta Bhattacharya, M.G. Sreeush, Vinu Valsala 		Mechanisms and drivers controlling spatio-temporal evolution of pCO2 and air-sea CO2 fluxes in the southern Java coastal upwelling system
 		2023 Estuarine, Coastal and Shelf Science 
Volume 293, https://doi.org/10.1016/j.ecss.2023.108509
67 Anika Arora, Vinu Valsala*, Prasanth A. Pillai A contrast in biennial variability of rainfall between central India and the Western Ghats and its mechanisms
 		2023 Dynamics of Atmospheres and Oceans,Volume 103, 101383, 
https://doi.org/10.1016/j.dynatmoce.2023.101383
66 Sijikumar S., Anjumol Raju, Valsala V., Yogesh Tiwari, Girach I.A., Chaithanya D. Jain, M. Venkat Ratnam, High-Resolution Bayesian Inversion of Carbon Dioxide Flux Over Peninsular India 2023 Atmospheric Environment, 
https://doi.org/10.1016/j.atmosenv.2023.119868.
65 Anjumol Raju, S. Sijikumar, Pramit
Kumar Deb Burman, Valsala V., Yogesh Tiwari, Sandipan Mukherjee, Priyanka Lohani, Kireet Kumar 		Very high-resolution Net Ecosystem Exchange over India using Vegetation Photosynthesis and Respiration Model (VPRM) simulations 2023 Ecological Modelling, Vol. 481, 
2023, 110340, ISSN 0304-3800,
64 Madkaiker, K., Valsala, V*., Sreeush,
M. G., Mallissery, A., Chakraborty, K., & Deshpande, A.
Understanding the seasonality, trends and controlling factors of Indian Ocean acidification over distinctive bio-provinces 2023 J. Geophysical Research, 128, . https://doi.org/10.1029/2022JG006926
63 Valsala V. Fingerprints of Indian Ocean Rain and River water in Salinity and Circulation 2022 Deep Sea Res- I 
https://doi.org/10.1016/j.dsr.2022.103912
62 Valsala V., M. G. Prajeesh, S. Singh       Numerical Investigation of Tropical Indian Ocean Barrier Layer variability 2022 J. Geophysical Research, Vol.127, 10,
https://doi.org/10.1029/2022JC018637
61 Anjumol Raju, Sijikumar, S., Valsala, V. Yogesh K. Tiwari, Santanu Halder, I. A. Girach, Chaithanya D. Jain & M.. Venkat   atnam Regional estimation of methane emissions over the peninsular India using atmospheric inverse modelling 2022 Environ Monit Assess 194, 647 (2022). https://doi.org/10.1007/s10661-022-10323-1 
60 Hamza Faseela, Valsala V*., H.
Varikoden
 		The puzzle of the anchovy–sardine inverse fishery at the south-eastern coast of the Arabian Sea and climate variability 2022 Fish and Fisheries, https://doi.org/10.1111/faf.12667
59 Ghosh Jayashree, Chakraborty K., Bhattacharya T., Valsala V., Baduruac B. Impact of coastal upwelling dynamics on the pCO2 variability in the southeastern Arabian Sea 2022 Progress in Oceanography, doi.org/10.1016/j.pocean.
2022.102785
58 Valsala V. Is Amundsen-Bellingshausen Seas-Low affecting trace gas air-sea fluxes in the Antarctic Ocean? 2022 Deep Sea Research-I, Volume 183, 103725,
doi.org/10.1016/j.dsr.2022.103725
57 M.Anju, V.Valsala*, B.R.Smitha, G.Bharathi and C.V.Naidu Observed denitrification in the northeast Arabian Sea during the winter-spring transition of 2009 2022 Journal of Marine Systems, 
Volume 227, doi.org/10.1016/j.jmarsys.2021.103680
56 Halder, S., Y. K. Tiwari, V. Valsala*, S. Sijikumar, R. Janardanan, S. Maksyutov 
 		Benefits of satellite XCO2 and newly proposed atmospheric CO2 observation network over India in constraining regional CO2 fluxes
 		2021 Science of The Total Environment, 51508, 
doi.org/10.1016/j.scitotenv.2021.151508.
55 Chakraborty K., V. Valsala, T. Bhattacharya, J. Ghosh Seasonal cycle of surface ocean pCO2 and pH in the northern Indian Ocean and their controlling factors 2021 Progress in Oceanography,
Vol. 198, https://doi.org/
10.1016/j.pocean.2021.102683
54 Hamza, F., M. Anju, V. Valsala*, B. R.    Smitha  A bioenergetics model for seasonal growth of Indian oil sardine (Sardinella longiceps) in the Indian west coast 2021 Ecological Modeling, 
https://doi.org/
10.1016/j.ecolmodel.2021.109661
53 Halder, S., Tiwari, Y. K., Valsala, V*., Sreeush, M. G., Sijikumar, S., Janardanan, R., & Maksyutov, S. Quantification of enhancement in atmospheric CO2 background due to Indian biospheric fluxes and fossil fuel emissions 
 		2021 Journal of Geophysical Research: Atmospheres, https://
doi.org/10.1029/2021JD034545 
52 Valsala V., M. G. Sreeush, M. Anju, S. Pentakota, Y. Tiwari, K. Chakraborty and  S. Sijikumar An Observing System Simulation Experiment for Indian Ocean surface pCO2 measurements 2021 Progress in Oceanography, 194,
doi.org/10.1016/j.pocean.2021.102570  
51 Maksyutov. S., T. Oda, M. Saito, R.
Janardanan, D. Belikov, J. W Kaiser,
R. Zhuravlev, A. Ganshin, V. Valsala, A.
 Andrews, L. Chmura, E. Dlugokencky, L. Haszpra, R. L. Langenfelds, T. Machida,
T. Nakazawa, M. Ramonet, C. Sweeney, D. Worthy 		A high-resolution inverse modelling technique for estimating surface CO2 fluxes based on the NIES-TM–FLEXPART coupled transport model and its adjoint 2021 Atmos. Chem. Phys., 21, 1245–1266
50 Hamza, F., V. Valsala*, M. Anju and G. George
 		Climate impacts on the landings of oil sardine (Sardinella longiceps) over the south-eastern Arabian Sea
 		2021 Fish and Fisheries,22:175–193.
https://doi/10.1111/faf.12513
49
 		Valsala, V., M. G. Sreeush, and K. Chakraborty
 		IOD impacts on Indian the Ocean Carbon Cycle
 		2020 Journal of Geophysical Research
https://doi.org/10.1029/2020JC016485
48 Anju, M., M. G. Sreeush, V. Valsala*, B. R. Smitha, F. Hamza, G. Bharathi, C. V. Naidu Understanding the role of nutrient limitation on plankton biomass over Arabian Sea via 1‐D coupled biogeochemical model and Bio‐Argo observations 2020 Journal of Geophysical Research,  https://doi.org/10.1029/2019JC015502
47 Janardanan R., Maksyutov S.,
Tsuruta A., Wang F., Tiwari Y.K.,
Valsala V., Ito A., Yoshida Y., Kaiser
 J.W., Janssens-Maenhout G.,
Arshinov M., Sasakawa M., Tohjima
 Y., Worthy D.E.J., Dlugokencky E.J.,
Ramonet M., Arduini J., Lavric J.V., Piacentino S., Krummel P.B., Langenfelds R.L., Mammarella I., Matsunaga T., 		Country-scale analysis of methane emissions with a high-resolution inverse model using GOSAT and surface observations 2020 Remote Sensing, 12:375, February 2020, DOI:10.3390/rs12030375, 1-24
46 Tiwari Y.K., Guha T., Valsala V., Lopez A.S., Cuevas C., Fernandez R.P., Mahajan A.S. Understanding atmospheric methane sub-seasonal variability over India 2020 Atmospheric Environment, DOI:10.1016/j.atmosenv.2019.117206, 1-10
45 Praveen, V., V. Valsala, R. Ajayamohan, and S. Balasubramanian Oceanic mixing over northern Arabian Sea in a warming scenario: Tug of war between wind and buoyancy forces. 2020 Journal of Physical Oceanography.,  https://doi.org/10.1175/JPO-D-19-0173.1
44 Sreeush, M. G. V. Valsala*, H. Santanu, S. Pentakota, K.V.S.R. Prasad, C.V. Naidu, R. Murtugudde, Biological production in the Indian Ocean upwelling zones - Part 2: Data based estimates of variable compensation depth for ocean carbon models via cyclo-stationary Bayesian Inversion. 2020 Deep Sea Research Part II, doi.org/10.1016/j.dsr2.2019.07.007.
43 Singh, S., V. Valsala*, A. G. Prajeesh, S. Balasubramanian,
 		On the variability of Arabian Sea mixing and its energetics.
 		2019
 		Journal of Geophysical Research: ,124,https://
doi.org/10.1029/2019JC015334
42 Nalini K., Sijikumar S., Valsala V., Tiwari Y.K., Ramachandran R. Designing surface CO2 monitoring network to constrain the Indian land fluxes 2019 Atmospheric Environment, dOI:10.1016/j.atmosenv.2019.117003
41
 		Sreeush M. G., R. Saran, V. Valsala*, S. Pentakota,
 K.V. S.R. Prasad, R. Murtugudde 		Variability, trend and controlling factors of Ocean acidification over Western Arabian Sea upwelling region 2019
 		Marine Chemistry
doi.org/10.1016/
j.marchem.2018.12.002
40
 		Singh S. and V. Valsala* Role of Subsurface ocean bias in coupled models in simulated interannual variability: A case study for Indian Ocean 2018 Dynamics of Atmosphere
and Ocean, doi.org/10.1016/j.
dynatmoce.2018.10.001
39 Chakraborty, K., V. Valsala,
G. V. M. Gupta and V. V. S. S. Sarma 		Dominant biological control over upwelling on pCO2 in sea east of Sri Lanka 2018 Journal Geophysical Res., doi.org/10.1029/2018J
G004446
38 Valsala, V., Singh S., & Balasubramanian, S. A modeling study of interannual variability of Bay of Bengal Mixing and Barrier Layer Formation 2018 Journal of Geophysical Research,123, doi.org/10.1029/
2017JC013637
37 Guha T., Tiwari Y.K., Valsala V., Lin X., Ramonet M.,
Mahajan A., Datye A., Ravi Kumar K. 		What controls the atmospheric methane seasonal variability over India? 2018 Atmospheric Environment, 1
75, DOI:10.1016/j.atmosenv.
2017.11.042, 83-91
36 Sreeush, M. G., Valsala*, V., Pentakota, S.,
Prasad, K. V. S. R., and Murtugudde, R 		Biological production in the Indian Ocean upwelling zones – Part 1: refined estimation via the use of a variable compensation depth in ocean carbon models 2018 Biogeosciences,
15, 1895-1918, https://doi.org/10.5194/bg-15-1895-2018
35 Shirai T., M. Ishizawa, R. Zhuravlev, A.
Ganshin, D. Belikov, M. Saito, T. Oda, V. Valsala,
 A. J. Gounez-Pelaez, R. Langenfelds and S. Maksyutov 		A decadal inversion of CO2 using the Global Eulerian-Lagrangian Coupled Atmospheric model (GELCA): sensitivity to the ground-based observation network 2017 Tellus - B, 69, April 2017, DOI:10.1080/16000889.
2017.1291158, 1-24
34 Valsala, V. and R. R. Rao Coastal Kelvin waves and dynamics of Gulf of Aden eddies 2016 Deep Sea Research Part I: 116, 174-186
33 Ravi Kumar, K., V. Valsala, Y. K. Tiwari,
J.V. Revadekar, P. Pillai, S. Chakraborty, R. Murtugudde 		Intra-seasonal variability of atmospheric CO2 concentrations over India during summer monsoons 2016 Atmospheric Environment, Vol. 142, 229–237
32 Praveen, V., R. S. Ajayamohan, V. Valsala, and S. Sandeep Intensification of upwelling along Oman coast in a warming scenario 2016 Geophys. Res. Lett., 43, doi:10.1002/2016GL069638
31 Roxy, M. K., A. Modi, R. Murtugudde, V. Valsala,
S. Panickal, S. Prasanna Kumar, M Ravichandran,
M. Vichi and M. Lévy 		A reduction in marine primary productivity driven by rapid warming over the tropical Indian Ocean 2016 Geophysical Res. Letters, 43 (2), 826-833
30 Revadekar, J. V. K. Ravi Kumar, Yogesh K. Tiwari,
V. Valsala 		Variability in AIRS CO 2 during active and break phases of Indian summer monsoon 2016 Science of The Total Environment, Volume 541, 15, 1200–1207
29 Valsala, V., and R. Murtugudde
 		Mesoscale and Intraseasonal Air-Sea CO2 Exchanges in the Western Arabian Sea during Boreal Summer
 		2015 Deep Sea Research-I, doi:10.1016/j.dsr.2015.06.001
28
 		Rödenbeck, C., Bakker, D. C. E., Gruber, N., Iida, Y.,
Jacobson, A. R., Jones, S., Landschützer, P., Metzl,
N., Nakaoka, S., Olsen, A., Park, G.-H., Peylin, P.,
Rodgers, K. B., Sasse, T. P., Schuster, U., Shutler,
J. D., Valsala, V., Wanninkhof, R., and Zeng, J
 		Data-based estimates of the ocean carbon sink variability – first results of the Surface Ocean pCO2 Mapping intercomparison (SOCOM) 2015 Biogeosciences, 12, 7251-7278, doi:10.5194/bg-12-7251-2015
27 Sabu, P., J. V. George, N. Anilkumar, R. Chacko,
V. Valsala, C.T. Achuthankutty, 		Observations of watermass modification by mesoscale eddies in the subtropical frontal region of the Indian ocean sector of southern ocean 2015 Deep Sea Research-II, doi:10.1016/j.dsr2.2015.04.010
26 Valsala, V., M. Roxy, K. Ashok and R. Murtugudde Spatio-temporal characteristics of seasonal to multidecadal variability of pCO2 and air-sea CO2 fluxes in the equatorial Pacific Ocean 2014 Journal of Geophysical Research, 119, DOI:10.1002/2014JC010212, 8987-9012.
25 Takagi, H., Houweling, S., Andres, R. J., Belikov, D.,
Bril, A., Boesch, H., Butz, A., Guerlet, S., Hasekamp, O.,
Maksyutov, S., Morino, I., Oda, T., O'Dell, C. W., Oshchepkov,
S., Parker, R., Saito, M., Uchino, O., Yokota, T., Yoshida, Y.,
and Valsala, V. 		Influence of differences in current GOSAT XCO2 retrievals on surface flux estimation 2014 Geophys. Res. Lett., 41, 2598-2605, doi:10.1002/2013GL059174.
24 Ishii, M., Feely, R. A., Rodgers, K. B., Park, G.-H.,
Wanninkhof, R., Sasano, D., Sugimoto, H., Cosca,
C. E., Nakaoka, S., Telszewski, M., Nojiri, Y.,
Mikaloff Fletcher, S. E., Niwa, Y., Patra, P. K., Valsala,
V., Nakano, H., Lima, I., Doney, S. C., Buitenhuis, E. T.,
Aumont, O., Dunne, J. P., Lenton, A., and Takahashi, T. 		Air–sea CO2 flux in the Pacific Ocean for the period 1990–2009 2014 Biogeosciences, 11, 709-734, doi:10.5194/bg-11-709-2014
23 Valsala, V., Y. K. Tiwari, P. Pillai, M. Roxy, S. Maksyutov and R. Murtugudde Intraseasonal variability of terrestrial biospheric CO2 fluxes over India during summer monsoons 2013 J. Geophys. Res., doi: 10.1002/jgrg.20037
22 Valsala, V., S. Maksyutov Interannual variability of the air–sea CO2 flux in the north Indian Ocean 2013 Ocean Dynamics, DOI:10.1007/s10236-012-0588-7, 1-14
21 Sarma, V. V. S. S., Lenton, A., Law, R. M., Metzl, N.,
Patra, P. K., Doney, S., Lima, I. D., Dlugokencky,
E., Ramonet, M., and Valsala, V.,
 		Sea–air CO2 fluxes in the Indian Ocean between 1990 and 2009
 		2013 Biogeosciences, 10, 7035-7052, doi:10.5194/bg-10-7035-2013.
20 20. Maksyutov, S., Takagi, H., Valsala, V., Saito, M.,
Oda, T., Saeki, T., Belikov, D. A., Saito, R., Ito, A.,
Yoshida, Y., Morino, I., Uchino, O., Andres, R. J.,
and Yokota, T., 		Regional CO2 flux estimates for 2009–2010 based on GOSAT and ground-based CO2 observations 2013 Atmos. Chem. Phys., 13, 9351-9373, doi:10.5194/acp-13-9351-2013
19 Saeki, T., S. Maksyutov, M. Sasakawa, T. Machida,
M. Arshinov, P. Tans, T. J. Conway, M. Saito, V. Valsala,
T. Oda3,6, R. J. Andres , D. Belikov: 		Carbon flux estimation for Siberia by inverse modeling constrained by aircraft and tower CO2 measurements 2013 J. Geophys. Res. Atmos., 118, doi:10.1002/jgrd.50127
18 Saeki T., Maksyutov S., Saito M., Valsala V., Oda T.,
Andres R. J., Belikov D., Tans P., Dlugokencky E.,
Yoshida Y., Morino I., Uchino O., Yokota T., 		Inverse modeling of CO2 fluxes using GOSAT data and multi-year ground-based observations, 2013 SOLA, 9, DOI:10.2151/sola.2013-011, 45-50
17 Tiwari Y.K., Valsala V., Vellore R.K., Kunchal R.K., Effectiveness of surface monitoring stations in representing regional CO2 emissions over India, 2013 Climate Research, 56, DOI:10.3354/cr01149, 121-129
16 Ravi Kumar K., Y. K. Tiwari, V. Valsala, R. Murtugudde, On understanding of land-ocean CO2 contrast over Bay of Bengal: A case study during 2009 summer monsoon 2013 Environmental Science and Pollution Research, DOI: 10.1007/s11356-013-2386-2
15 Ganshin, A., Oda, T., Saito, M., Maksyutov, S., Valsala, V., Andres, R. J., Fisher, R. E., Lowry, D., Lukyanov, A.,
Matsueda, H., Nisbet, E. G., Rigby, M., Sawa, Y., Toumi, R., Tsuboi, K., Varlagin, A., and Zhuravlev, R 		A global coupled Eulerian-Lagrangian model and 1 × 1 km CO2 surface flux dataset for high-resolution atmospheric CO2 transport simulations 2012 Geosci. Model Dev., 5, 231-243, doi:10.5194/gmd-5-231-2012.
14 Valsala, V., S. Maksyutov, and R. G. Murtugudde, A window for carbon uptake in the southern subtropical Indian Ocean 2012 Geophys. Res. Lett., doi:10.1029/2012GL052857
13 Valsala, V., Maksyutov, S., Telszewski, M., Nakaoka, S.-I., Nojiri, Y., Ikeda, M., and Murtugudde, R. Climate impacts on the structures of the North Pacific air-sea CO2 flux variability 2012 Biogeosciences, 9, 477-492.
12 Valsala, V., S. Maksyutov and R. Murtugudde, Interannual to Interdecadal Variabilities of the Indonesian Throughflow Source Water Pathways in the Pacific Ocea 2011 Journal of Physical Oceanography., 41, 1921–1940.
11 Takagi H., T. Saeki, T. Oda, M. Saito, V. Valsala, D. Belikov, R. Saito, Y. Yoshida, On the Benefit of GOSAT Observations to the Estimation of Regional CO2 Fluxes 2011 SOLA, 2011, Vol. 7, 161−164, doi:10.2151/sola.2011-041.
10 Valsala V. and S. Maksyutov, (2010), A Short Surface Pathway of the Subsurface Indonesian Throughflow Water from the Java Coast Associated with Upwelling, Ekman Transport, and Subduction 2010 International Journal of Oceanography, Vol. 2010, doi:10.1155/2010/540783
09 Valsala V., H. M. Alsibai, M. Ikeda and S. Maksyutov, Interannual variability of CFC-11 absorption by the ocean: an offline model study 2010 Climate Dynamics , doi:10.1007/s00382-010-0784-4.
08 Valsala V., S. Maksyutov and R. Murtugudde, Possible Interannual to Interdecadal variabilities of the Indonesian Throughflow (ITF) water pathways in the Indian Ocean 2010 J. Geophysical Research , doi:10.1029/2009JC005735.
07 Valsala V. and S. Maksyutov, (2010), Simulation and assimilation of global ocean pCO2 and air-sea CO2 fluxes using ship observations of surface ocean pCO2 in a simplified Biogeochemical offline model. 2010 Tellus-B, doi:10.1111/j.1600-0889.2010.00495.x.
06 Kurien, P., M. Ikeda, and V. Valsala, Mesoscale Variability along the East Coast of India in Spring as revealed from Satellite and OGCM simulations 2010 J. Oceanography, Vol. 66, 273-289.
05 Valsala V.,  Different spreading of Somali and Arabian coastal upwelled waters in the northern Indian Ocean: A case study. 2009 J. Oceanography, Vol.65, Page 803-816.
04 Valsala V. The first and second baroclinic mode responses of tropical Indian Ocean to interannual equatorial wind anomalies 2008 J. Oceanography Vol. 64 (No. 4), 479-494.
03 Valsala V., S. Maksyutov and M. Ikeda, Design and validation of an offline Oceanic Tracer Transport Model for Carbon Cycle Study, 2008 J. Climate , 21, 2752-2769.
02 Valsala V. and M. Ikeda,  Pathways and effects of the Indonesian Throughflow water in the Indian Ocean using Particle trajectory and Tracers in an OGCM 2007 J. Climate,, 20, 2994-3017.
01 Valsala V. and M. Ikeda, An extreme drought event in the 2002 summer Monsoon Rainfall and its mechanisms proved with a moisture flux analysis, 2005 SOLA, Vol.1, 173-176.
Group Head
Members
Dr. Homi Bhabha Road, Pashan, Pune, 411 008, India (020) 2590 4514