| Year |
Citation |
Score |
| 2020 |
Nigam S, Sengupta A, Ruiz-Barradas A. Atlantic–Pacific Links in Observed Multidecadal SST Variability: Is the Atlantic Multidecadal Oscillation’s Phase Reversal Orchestrated by the Pacific Decadal Oscillation? Journal of Climate. 33: 5479-5505. DOI: 10.1175/Jcli-D-19-0880.1 |
0.495 |
|
| 2019 |
Sengupta A, Nigam S. The Northeast Winter Monsoon over the Indian Subcontinent and Southeast Asia: Evolution, Interannual Variability, and Model Simulations Journal of Climate. 32: 231-249. DOI: 10.1175/Jcli-D-18-0034.1 |
0.457 |
|
| 2018 |
Ruiz-Barradas A, Nigam S. Hydroclimate Variability and Change over the Mekong River Basin: Modeling and Predictability and Policy Implications Journal of Hydrometeorology. 19: 849-869. DOI: 10.1175/Jhm-D-17-0195.1 |
0.375 |
|
| 2018 |
Thomas N, Nigam S. Twentieth-Century Climate Change over Africa: Seasonal Hydroclimate Trends and Sahara Desert Expansion Journal of Climate. 31: 3349-3370. DOI: 10.1175/Jcli-D-17-0187.1 |
0.543 |
|
| 2018 |
Nigam S, Ruiz-Barradas A, Chafik L. Gulf Stream Excursions and Sectional Detachments Generate the Decadal Pulses in the Atlantic Multidecadal Oscillation Journal of Climate. 31: 2853-2870. DOI: 10.1175/Jcli-D-17-0010.1 |
0.418 |
|
| 2017 |
Nigam S, Thomas NP, Ruiz-Barradas A, Weaver SJ. Striking Seasonality in the Secular Warming of the Northern Continents: Structure and Mechanisms Journal of Climate. 30: 6521-6541. DOI: 10.1175/Jcli-D-16-0757.1 |
0.561 |
|
| 2016 |
Chafik L, Hakkinen S, England MH, Carton JA, Nigam S, Ruiz-Barradas A, Hannachi A, Miller L. Global linkages originating from decadal oceanic variability in the subpolar North Atlantic Geophysical Research Letters. 43: 10909-10919. DOI: 10.1002/2016Gl071134 |
0.52 |
|
| 2015 |
Baxter S, Nigam S. Key role of the North Pacific oscillation-West Pacific pattern in generating the extreme 2013/14 North American Winter Journal of Climate. 28: 8109-8117. DOI: 10.1175/Jcli-D-14-00726.1 |
0.592 |
|
| 2015 |
Zhao Y, Nigam S. The Indian Ocean Dipole: A Monopole in SST Journal of Climate. 28: 3-19. DOI: 10.1175/Jcli-D-14-00047.1 |
0.561 |
|
| 2013 |
Sheffield J, Camargo SJ, Fu R, Hu Q, Jiang X, Johnson N, Karnauskas KB, Kim ST, Kinter J, Kumar S, Langenbrunner B, Maloney E, Mariotti A, Meyerson JE, Neelin JD, ... Nigam S, et al. North American climate in CMIP5 experiments. Part II: Evaluation of historical simulations of intraseasonal to decadal variability Journal of Climate. 26: 9247-9290. DOI: 10.1175/Jcli-D-12-00593.1 |
0.56 |
|
| 2013 |
Sheffield J, Barrett AP, Colle B, Fernando DN, Fu R, Geil KL, Hu Q, Kinter J, Kumar S, Langenbrunner B, Lombardo K, Long LN, Maloney E, Mariotti A, Meyerson JE, ... ... Nigam S, et al. North American Climate in CMIP5 experiments. Part I: Evaluation of historical simulations of continental and regional climatology Journal of Climate. 26: 9209-9245. DOI: 10.1175/Jcli-D-12-00592.1 |
0.55 |
|
| 2013 |
Baxter S, Nigam S. A subseasonal teleconnection analysis: PNA Development and Its relationship to the NAO Journal of Climate. 26: 6733-6741. DOI: 10.1175/Jcli-D-12-00426.1 |
0.551 |
|
| 2013 |
Ruiz-Barradas A, Nigam S. Atmosphere-land surface interactions over the southern great plains: Characterization from pentad analysis of DOE ARM field observations and NARR Journal of Climate. 26: 875-886. DOI: 10.1175/Jcli-D-11-00380.1 |
0.522 |
|
| 2013 |
Ruiz-Barradas A, Nigam S, Kavvada A. The Atlantic Multidecadal Oscillation in twentieth century climate simulations: Uneven progress from CMIP3 to CMIP5 Climate Dynamics. 41: 3301-3315. DOI: 10.1007/S00382-013-1810-0 |
0.511 |
|
| 2013 |
Kavvada A, Ruiz-Barradas A, Nigam S. AMO's structure and climate footprint in observations and IPCC AR5 climate simulations Climate Dynamics. 41: 1345-1364. DOI: 10.1007/S00382-013-1712-1 |
0.543 |
|
| 2012 |
Grodsky SA, Carton JA, Nigam S, Okumura YM. Tropical Atlantic Biases in CCSM4 Journal of Climate. 25: 3684-3701. DOI: 10.1175/Jcli-D-11-00315.1 |
0.573 |
|
| 2011 |
Bollasina M, Nigam S. Modeling of Regional Hydroclimate Change over the Indian Subcontinent: Impact of the Expanding Thar Desert Journal of Climate. 24: 3089-3106. DOI: 10.1175/2010Jcli3851.1 |
0.729 |
|
| 2011 |
Weaver SJ, Nigam S. Recurrent Supersynoptic Evolution of the Great Plains Low-Level Jet Journal of Climate. 24: 575-582. DOI: 10.1175/2010Jcli3445.1 |
0.491 |
|
| 2011 |
Nigam S, Guan B, Ruiz-Barradas A. Key role of the Atlantic Multidecadal Oscillation in 20th century drought and wet periods over the Great Plains Geophysical Research Letters. 38. DOI: 10.1029/2011Gl048650 |
0.673 |
|
| 2011 |
Nigam S, Bollasina M. Reply to comment by K. M. Lau and K. M. Kim on “‘Elevated heat pump’ hypothesis for the aerosol–monsoon hydroclimate link: ‘Grounded’ in observations?” Journal of Geophysical Research. 116: 7204. DOI: 10.1029/2010Jd015246 |
0.635 |
|
| 2011 |
Nigam S, Guan B. Atlantic tropical cyclones in the twentieth century: Natural variability and secular change in cyclone count Climate Dynamics. 36: 2279-2293. DOI: 10.1007/S00382-010-0908-X |
0.657 |
|
| 2011 |
Bollasina M, Nigam S. The summertime “heat” low over Pakistan/northwestern India: evolution and origin Climate Dynamics. 37: 957-970. DOI: 10.1007/S00382-010-0879-Y |
0.743 |
|
| 2010 |
Ruiz-Barradas A, Nigam S. SST-north American hydroclimate links in AMIP simulations of the drought working group models: A proxy for the idealized drought modeling experiments Journal of Climate. 23: 2585-2598. DOI: 10.1175/2010Jcli3174.1 |
0.51 |
|
| 2010 |
Ruiz-Barradas A, Nigam S. Great plains precipitation and its SST links in twentieth-century climate simulations, and twenty-first-and twenty-second-century climate projections Journal of Climate. 23: 6409-6429. DOI: 10.1175/2010Jcli3173.1 |
0.541 |
|
| 2010 |
Nigam S, Bollasina M. "Elevated heat pump" hypothesis for the aerosol-monsoon hydroclimate link: "Grounded" in observations? Journal of Geophysical Research. 115. DOI: 10.1029/2009Jd013800 |
0.74 |
|
| 2009 |
Schubert S, Gutzler D, Wang H, Dai A, Delworth T, Deser C, Findell K, Fu R, Higgins W, Hoerling M, Kirtman B, Koster R, Kumar A, Legler D, Lettenmaier D, ... ... Nigam S, et al. A U.S. Clivar project to assess and compare the responses of global climate models to drought-related SST forcing patterns: Overview and results Journal of Climate. 22: 5251-5272. DOI: 10.1175/2009Jcli3060.1 |
0.517 |
|
| 2009 |
Guan B, Nigam S. Analysis of atlantic SST variability factoring interbasin links and the secular trend: Clarified structure of the Atlantic multidecadal oscillation Journal of Climate. 22: 4228-4240. DOI: 10.1175/2009Jcli2921.1 |
0.666 |
|
| 2009 |
Weaver SJ, Ruiz-Barradas A, Nigam S. Pentad evolution of the 1988 drought and 1993 flood over the great plains: An NARR perspective on the atmospheric and terrestrial water balance Journal of Climate. 22: 5366-5384. DOI: 10.1175/2009Jcli2684.1 |
0.528 |
|
| 2009 |
Chan SC, Nigam S. Residual Diagnosis of Diabatic Heating from ERA-40 and NCEP Reanalyses: Intercomparisons with TRMM Journal of Climate. 22: 414-428. DOI: 10.1175/2008Jcli2417.1 |
0.363 |
|
| 2009 |
Nigam S, Chan SC. On the Summertime Strengthening of the Northern Hemisphere Pacific Sea Level Pressure Anticyclone Journal of Climate. 22: 1174-1192. DOI: 10.1175/2008Jcli2322.1 |
0.538 |
|
| 2009 |
Bollasina M, Nigam S. Absorbing aerosols and pre-summer monsoon hydroclimate variability over the Indian subcontinent: the challenge in investigating links. Atmospheric Research. 94: 338-344. DOI: 10.1016/J.Atmosres.2009.06.008 |
0.758 |
|
| 2009 |
Bollasina M, Nigam S. Indian Ocean SST, evaporation, and precipitation during the South Asian summer monsoon in IPCC-AR4 coupled simulations Climate Dynamics. 33: 1017-1032. DOI: 10.1007/S00382-008-0477-4 |
0.765 |
|
| 2008 |
Chang CY, Nigam S, Carton JA. Origin of the springtime westerly bias in equatorial Atlantic surface winds in the community Atmosphere Model version 3 (CAM3) simulation Journal of Climate. 21: 4766-4778. DOI: 10.1175/2008Jcli2138.1 |
0.514 |
|
| 2008 |
Bollasina M, Nigam S, Lau K-. Absorbing Aerosols and Summer Monsoon Evolution over South Asia: An Observational Portrayal Journal of Climate. 21: 3221-3239. DOI: 10.1175/2007Jcli2094.1 |
0.765 |
|
| 2008 |
Guan B, Nigam S. Pacific sea surface temperatures in the twentieth century: An evolution-centric analysis of variability and trend Journal of Climate. 21: 2790-2809. DOI: 10.1175/2007Jcli2076.1 |
0.647 |
|
| 2008 |
Linkin ME, Nigam S. The North Pacific Oscillation-West Pacific teleconnection pattern: Mature-phase structure and winter impacts Journal of Climate. 21: 1979-1997. DOI: 10.1175/2007Jcli2048.1 |
0.697 |
|
| 2008 |
Muñoz E, Busalacchi AJ, Nigam S, Ruiz-Barradas A. Winter and summer structure of the Caribbean low-level jet Journal of Climate. 21: 1260-1276. DOI: 10.1175/2007Jcli1855.1 |
0.588 |
|
| 2008 |
Karnauskas KB, Ruiz-Barradas A, Nigam S, Busalacchi AJ. North American droughts in ERA-40 global and NCEP North American Regional Reanalyses: A Palmer drought severity index perspective Journal of Climate. 21: 2102-2123. DOI: 10.1175/2007Jcli1837.1 |
0.451 |
|
| 2008 |
Weaver SJ, Nigam S. Variability of the Great Plains Low-Level Jet: Large Scale Circulation Context and Hydroclimate Impacts Journal of Climate. 21: 1532-1551. DOI: 10.1175/2007Jcli1586.1 |
0.531 |
|
| 2007 |
Chang CY, Carton JA, Grodsky SA, Nigam S. Seasonal climate of the tropical Atlantic sector in the NCAR community climate system model 3: Error structure and probable causes of errors Journal of Climate. 20: 1053-1070. DOI: 10.1175/Jcli4047.1 |
0.567 |
|
| 2006 |
Joseph R, Nigam S. ENSO Evolution and Teleconnections in IPCC’s Twentieth-Century Climate Simulations: Realistic Representation? Journal of Climate. 19: 4360-4377. DOI: 10.1175/Jcli3846.1 |
0.481 |
|
| 2006 |
Ruiz-Barradas A, Nigam S. IPCC's twentieth-century climate simulations: Varied representations of North American hydroclimate variability Journal of Climate. 19: 4041-4058. DOI: 10.1175/Jcli3809.1 |
0.542 |
|
| 2006 |
Ruiz-Barradas A, Nigam S. Great Plains hydroclimate variability: The view from North American Regional Reanalysis Journal of Climate. 19: 3004-3010. DOI: 10.1175/Jcli3768.1 |
0.558 |
|
| 2006 |
Nigam S, Ruiz-Barradas A. Seasonal hydroclimate variability over North America in global and regional reanalyses and AMIP simulations: Varied representation Journal of Climate. 19: 815-837. DOI: 10.1175/Jcli3635.1 |
0.59 |
|
| 2005 |
Ruiz-Barradas A, Nigam S. Warm season rainfall variability over the U.S. Great Plains in observations, NCEP and ERA-40 reanalyses, and NCAR and NASA atmospheric model simulations Journal of Climate. 18: 1808-1830. DOI: 10.1175/Jcli3343.1 |
0.545 |
|
| 2004 |
DeWeaver E, Nigam S. On the Forcing of ENSO Teleconnections by Anomalous Heating and Cooling Journal of Climate. 17: 3225-3235. DOI: 10.1175/1520-0442(2004)017<3225:Otfoet>2.0.Co;2 |
0.425 |
|
| 2003 |
Ruiz-Barradas A, Carton JA, Nigam S. Role of the atmosphere in climate variability of the tropical Atlantic Journal of Climate. 16: 2052-2065. DOI: 10.1175/1520-0442(2003)016<2052:Rotaic>2.0.Co;2 |
0.54 |
|
| 2003 |
Grodsky SA, Carton JA, Nigam S. Near surface westerly wind jet in the Atlantic ITCZ Geophysical Research Letters. 30: OCE 1-1 - OCE 1-4. DOI: 10.1029/2003Gl017867 |
0.501 |
|
| 2002 |
DeWeaver E, Nigam S. Linearity in ENSO's Atmospheric Response Journal of Climate. 15: 2446-2461. DOI: 10.1175/1520-0442(2002)015<2446:Liesar>2.0.Co;2 |
0.538 |
|
| 2002 |
Chung C, Nigam S, Carton J. SST-forced surface wind variability in the tropical Atlantic: An empirical model Journal of Geophysical Research Atmospheres. 107. DOI: 10.1029/2001Jd000324 |
0.535 |
|
| 2001 |
Barlow M, Nigam S, Berbery EH. ENSO, Pacific Decadal Variability, and U.S. Summertime Precipitation, Drought, and Stream Flow Journal of Climate. 14: 2105-2128. DOI: 10.1175/1520-0442(2001)014<2105:Epdvau>2.0.Co;2 |
0.477 |
|
| 2000 |
DeWeaver E, Nigam S. Zonal-Eddy Dynamics of the North Atlantic Oscillation Journal of Climate. 13: 3893-3914. DOI: 10.1175/1520-0442(2000)013<3893:Zedotn>2.0.Co;2 |
0.439 |
|
| 2000 |
Ruiz-Barradas A, Carton JA, Nigam S. Structure of Interannual-to-Decadal climate variability in the tropical Atlantic sector Journal of Climate. 13: 3285-3297. DOI: 10.1175/1520-0442(2000)013<3285:Soitdc>2.0.Co;2 |
0.568 |
|
| 2000 |
Nigam S, Chung C. ENSO Surface Winds in CCM3 Simulation: Diagnosis of Errors Journal of Climate. 13: 3172-3186. DOI: 10.1175/1520-0442(2000)013<3172:Eswics>2.0.Co;2 |
0.491 |
|
| 2000 |
Nigam S, Chung C, DeWeaver E. ENSO Diabatic Heating in ECMWF and NCEP–NCAR Reanalyses, and NCAR CCM3 Simulation Journal of Climate. 13: 3152-3171. DOI: 10.1175/1520-0442(2000)013<3152:Edhiea>2.0.Co;2 |
0.445 |
|
| 2000 |
DeWeaver E, Nigam S. Do Stationary Waves Drive the Zonal-Mean Jet Anomalies of the Northern Winter? Journal of Climate. 13: 2160-2176. DOI: 10.1175/1520-0442(2000)013<2160:Dswdtz>2.0.Co;2 |
0.384 |
|
| 1999 |
Chung C, Nigam S. Asian Summer Monsoon—ENSO Feedback on the Cane-Zebiak Model ENSO Journal of Climate. 12: 2787-2807. DOI: 10.1175/1520-0442(1999)012<2787:Asmefo>2.0.Co;2 |
0.534 |
|
| 1999 |
Nigam S, Barlow M, Berbery EH. Analysis links pacific decadal variability to drought and streamflow in united states Eos. 80. DOI: 10.1029/99Eo00412 |
0.538 |
|
| 1999 |
Chung C, Nigam S. Weighting of geophysical data in Principal Component Analysis Journal of Geophysical Research. 104: 16925-16928. DOI: 10.1029/1999Jd900234 |
0.313 |
|
| 1998 |
Barlow M, Nigam S, Berbery EH. Evolution of the North American Monsoon System Journal of Climate. 11: 2238-2257. DOI: 10.1175/1520-0442(1998)011<2238:Eotnam>2.0.Co;2 |
0.51 |
|
| 1998 |
Nigam S, DeWeaver E. Influence of Orography on the Extratropical Response to El Niño Events Journal of Climate. 11: 716-733. DOI: 10.1175/1520-0442(1998)011<0716:Iooote>2.0.Co;2 |
0.508 |
|
| 1997 |
DeWeaver E, Nigam S. Dynamics of Zonal-Mean Flow Assimilation and Implications for Winter Circulation Anomalies. Journal of the Atmospheric Sciences. 54: 1758-1775. DOI: 10.1175/1520-0469(1997)054<1758:Dozmfa>2.0.Co;2 |
0.404 |
|
| 1997 |
Nigam S. The Annual Warm to Cold Phase Transition in the Eastern Equatorial Pacific: Diagnosis of the Role of Stratus Cloud-Top Cooling. Journal of Climate. 10: 2447-2467. DOI: 10.1175/1520-0442(1997)010<2447:Tawtcp>2.0.Co;2 |
0.541 |
|
| 1996 |
Nigam S, Chao Y. Evolution Dynamics of Tropical Ocean-Atmosphere Annual Cycle Variability. Journal of Climate. 9: 3187-3205. DOI: 10.1175/1520-0442(1996)009<3187:Edotoa>2.0.Co;2 |
0.559 |
|
| 1995 |
DeWeaver E, Nigam S. Influence of mountain ranges on the mid-latitude atmospheric response to El Niño events Nature. 378: 706-708. DOI: 10.1038/378706A0 |
0.443 |
|
| 1994 |
Nigam S. On the dynamical basis for the Asian summer monsoon rainfall-El Niño relationship Journal of Climate. 7: 1750-1771. DOI: 10.1175/1520-0442(1994)007<1750:Otdbft>2.0.Co;2 |
0.508 |
|
| 1994 |
Fennessy M, Kinter J, Kirtman B, Marx L, Nigam S, Schneider E, Shukla J, Straus D, Vernekar A, Xue Y, Zhou J. The Simulated Indian Monsoon: A GCM Sensitivity Study Journal of Climate. 7: 33-43. DOI: 10.1175/1520-0442(1994)007<0033:Tsimag>2.0.Co;2 |
0.449 |
|
| 1993 |
Nigam S, Shen H. Structure of Oceanic and Atmospheric Low-Frequency Variability over the Tropical Pacific and Indian Oceans. Part I: COADS Observations Journal of Climate. 6: 657-676. DOI: 10.1175/1520-0442(1993)006<0657:Sooaal>2.0.Co;2 |
0.562 |
|
| 1990 |
Nigam S. On the Structure of Variability of the Observed Tropospheric and Stratospheric Zonal-Mean Zonal Wind Journal of the Atmospheric Sciences. 47: 1799-1813. DOI: 10.1175/1520-0469(1990)047<1799:Otsovo>2.0.Co;2 |
0.493 |
|
| 1989 |
Nigam S, Lindzen RS. The sensitivity of stationary waves to variations in the basic state zonal flow Journal of the Atmospheric Sciences. 46: 1746-1768. DOI: 10.1175/1520-0469(1989)046<1746:Tsoswt>2.0.Co;2 |
0.405 |
|
| 1989 |
Held IM, Lyons SW, Nigam S. Transients and the Extratropical Response to El Niño Journal of the Atmospheric Sciences. 46: 163-174. DOI: 10.1175/1520-0469(1989)046<0163:Tatert>2.0.Co;2 |
0.408 |
|
| 1988 |
Nigam S, Held IM, Lyons SW. Linear simulation of the stationary eddies in a GCM. Part II: the "mountain' model Journal of the Atmospheric Sciences. 45: 1433-1452. DOI: 10.1175/1520-0469(1988)045<1433:Lsotse>2.0.Co;2 |
0.39 |
|
| 1987 |
Lindzen RS, Nigam S. On the role of sea surface temperature gradients in forcing low-level winds and convergence in the tropics Journal of the Atmospheric Sciences. 44: 2418-2436. DOI: 10.1175/1520-0469(1987)044<2418:Otross>2.0.Co;2 |
0.392 |
|
| 1986 |
Nigam S, Held IM, Lyons SW. Linear Simulation of the Stationary Eddies in a General Circulation Model. Part I: The No-Mountain Model Journal of the Atmospheric Sciences. 43: 2944-2961. DOI: 10.1175/1520-0469(1986)043<2944:Lsotse>2.0.Co;2 |
0.451 |
|
| 1985 |
Nigam S. On the adequacy of meridional resolution of linear and quasi-linear barotropic models Journal of the Atmospheric Sciences. 42: 2493-2505. DOI: 10.1175/1520-0469(1985)042<2493:Otaomr>2.0.Co;2 |
0.382 |
|
| 1983 |
Nigam S, Held IM. The influence of a Critical latitude on Topographically Forced Stationery Waves in a Barotropic Model Journal of the Atmospheric Sciences. 40: 2610-2622. DOI: 10.1175/1520-0469(1983)040<2610:Tioacl>2.0.Co;2 |
0.398 |
|
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