Global Decadal Hydroclimate Predictability, Variability and Change: A Data-Enriched Modeling Study (GloDecH)
Lamont-Doherty Earth Observatory of Columbia University 61 Route 9W Palisades, NY 10964


The GloDecH researchers work together on a daily basis and have monthly meetings to present and discuss research. The meetings frequently include other scientists at Lamont and APAM working on related projects. A list of upcoming and past meetings is below including, in some cases, copies of the slides.



Wednesday, May 28, 2014 @ 3:15PM, Room 105

Olivia Clifton: 21st Century Reversal of the Surface Ozone Seasonal Cycle over the Northeastern United States

Wenchang Yang: The dual peaked seasonal cycle of precipitation over tropical East Africa

Tuesday, December 3, 2013 @ 10:00 AM, Room 105

AGU practice talks

Ed Cook: Megadroughts: The scary past told by tree rings and its implications for the future

Mingfang Ting: Past and future changes of the Asian monsoon: the role of anthropogenic forcing

Lorenzo Polvani: Separating the stratospheric and tropospheric pathways of ENSO teleconnections

Richard Seager: The progressive aridification of southwestern North America: The what, why, when and how

Arthur Greene: Climate scenarios for driving AgMIP model

Wednesday, October 16, 2013 @ 3:00 PM, Room 105

Sloan Coats (LDEO): North American megadroughts in the CMIP5 simulations of the last millennium

Colin Kelley (LDEO): Mechanisms of NAO-related moisture budget variability

Wednesday, July 10, 2013 @ 3:00 PM, Room 105

Fraser Lott (Hadley Centre): Can the 2011 East African drought be attributed to human-induced climate change?

Wednesday, June 12, 2013 @ 3:00 PM, Room 105

Brad Lyon (IRI): Tropical Pacific Ocean forcing of the 1998/99 decadal shift in global precipitation

Wenchang Yang: (LDEO): Decadal variability of the East African long rains in observations and models

Wednesday, April 17, 2013 @ 3:00 PM, Room 105

Paula Gonzalez (IRI): Stratospheric ozone depletion: A key driver of recent precipitation trends in South Eastern South America

Alessandra Giannini (IRI): A unifying view of climate change in the Sahel linking intra-seasonal, interannual and longer time scales

Wednesday, March 20, 2013 @ 3:00 PM, Room 105

Aaron Putnam (LDEO): Hydroclimate of the Tarim Basin, western China, over the past millennium: Clues from the deep desert

Yochanan Kushnir (LDEO): Medieval disasters in the larger Near East: Is climate a culprit?

Wednesday, February 13, 2013 @ 3:00 PM, Room 105

Ben Cook (LDEO): The Response of the North American Monsoon to increased GHG Forcing

Tiffany Shaw (LDEO): The role of low-level eddy moisture transport in the seasonal cycle of the general circulation in the Northern Hemisphere

Wednesday, January 23, 2013 @ 3:00 PM, Room 105

Elizabeth Barnes (LDEO): Atlantic atmospheric "wavyness" over the 20th and 21st centuries: comparisons between reanalyses and the CMIP5 models

Jimmy Booth (NASA/GISS CU): "The impact of moisture on extratropical cyclone strength: what to expect under global warming"

Friday, December 14, 2012 @ 11:00 AM, Room 105

Michela Biasutti (LDEO): Climatology and Variability of Rainfall in the 20th Century Reanalysis (v2)

Karen Smith (LDEO): Mitigation of projected 21st century Antarctic sea ice loss by ozone recovery

Wednesday, October 17, 2012 @ Lamont Hall

Atlantic Sector Climate Variability over the Last Millennium and the Near-Term Future

Wednesday, September 19, 2012 @ 3:00 PM, Room 105

Recent climate change and the Arab Spring

Shara Mohtadi: (Columbia College) Drought and the Syrian revolution

Colin Kelley: (LDEO) Causes of recent drouht in Syria and the Levant

Monday, August 13, 2012 @ 3:00 PM, Room 105

Wenhong Li: (Duke University) Intensification of Summertime Subtropical Highs in a Warming Climate

Wednesday, July 10, 2012 @ 10:30 AM, Room 105

David Brayshaw: (University of Reading, UK) Can ocean heat transport cause very warm global climates?

Wednesday, June 13, 2012 @ 3:00PM, Room 105

Chet Ropelewski: (LDEO) Daily Precipitation and Temperature Variations over North America in the 20th Century: A Look at Some Simple Statistics

Richard Seager: (LDEO) Anthropogenic southwest drying CMIP5 style

Wednesday, May 9, 2012 @ 3:00PM, Room 105

William D'Andrea: (L-DEO) A mild Little Ice Age and unprecedented recent warmth in a 1800-year lake sediment record from West Spitsbergen

Mike Kaplan: (L-DEO) Glaciers and Climate Change Past, Present, and Inter-Hemispheric Patterns

Wednesday, April 18, 2012 @ 3:00PM, Room 105

Yutian Wu: (Courant Institute for Mathematical Sciences, NYU) The importance of the Montreal Protocol for Protecting the Earth's Hydroclimate

Athanasios Koutavas: ENSO in the Holocene and LGM

Wednesday, March 14, 2012 @ 3:00PM, Room 105

Helen McGregor: (U. Wollongong) A coral-based picture of ENSO from the Holocene mid-Pacific

Xiaojun Yuan: Decadal variability in the southern hemisphere

Wednesday, February 8, 2012 @ 3:00PM, Room 105

Yochanan Kushnir: Central American and Middle Eastern regional climate anomalies in the last millennium

Thursday, February 2, 2012 @ 10:00AM, Comer (1st Floor)

Decadal-to-Centennial Tropical Pacific Climate Variability: Perspectives from Proxies and Multi-Century Model Simulations

Comer Building Seminar Room (1st Floor)

10-10:30 am Coffee and Welcome
10:30-11 am Kim Cobb (GaTech)
11-11:15 am Ed Cook (LDEO)
11:15-11:30 am Kevin Anchukaitis (LDEO)
11:30-11:45 am Richard Seager (LDEO)
11:45-12:15 pm Discussion

12:15-1:15 pm Lunch

1:15-1:30 pm Jason Smerdon (LDEO)
1:30-2 pm Andrew Wittenberg (GFDL)
2-2:30 pm Gavin Schmidt (GISS)
2:30-3 pm Discussion

Wednesday, January 11, 2012 @ 3:00PM, Room 105

Mike Tippett: Association of U.S. tornado occurrence with monthly environmental parameters

Jess Tierney: East African hydroclimate during the last millennium

Wednesday, December 14, 2011 @ 2:00PM, Room 105

Ben Cook: Intensification of North American megadroughts through land surface and dust aerosol forcing

Suzana Camargo: Influence of local and remote SST on North Atlantic hurricane potential intensity

Wednesday, November 9, 2011 @ 3:00PM, Room 105

Brad Linsley: (Core Lab - newly hired) A Coral Network Approach to Paleo-Reconstructions; South Pacific Convergence Zone and South Pacific Current Variability Over the Last Several Centuries

Mike Evans: (U. Maryland) Ensemble SST field reconstructions for the Pacific Basin from marine paleoproxy data

Wednesday, October 12, 2011 @ 3:00PM, Room 105

Brad Lyon (IRI): A Recent and Abrupt Decline in the East African Long Rains

Mark A. Cane: Different responses of global precipitation to solar and greenhouse gas forcing

Wednesday, September 14, 2011 @ 3:00PM, Room 105

Paula Gonzalez (IRI): 20th Century observed summer precipitation variability over Southeastern South America

Richard Seager: Interannual to multidecadal variations of precipitation in Southeast South America: All tropical oceanic forcing or something else as well?

Wednesday, July 6, 2011 @ 3:00PM, Room 105

Lisa Goddard: A Metrics Framework for Interannual-to-Decadal Prediction Experiments

Jason Smerdon: Natural centennial tropical Pacific variability in coupled GCMs

Wednesday, June 15, 2011 @ 3:00PM, Room 105

Neil Pederson: 500 years of hydroclimate history in the New York City watershed

Richard Seager: The 1960s drought and subsequent transition to a wetter climate in New York City's Catskill Mountains watershed

Wednesday, May 11, 2011 @ 3:00PM, Room 105

Arthur Greene:  Utility of Stochastic Decadal Simulations in Water Resource Planning

Richard Seager:   Does Global Warming Lead to Intensified Interannual Hydroclimate Variability

Wednesday, April 6, 2011 @ 3:00PM, Room 105

Ben Cook: Causes and Dynamics of the early 20th Century North American Pluvial

Radley Horton: Regional Climate Research in Support of Stakeholder Applications in the
Urban Northeast US

Wednesday, March 9, 2011 @ 10:30AM, Room 105

Jason Smerdon: High-Resoultion Climate Field Reconstructions for Multidecadal Dynamic Analyses: Prospects and Challenges

Kevin Anchukaitis: What can we learn from the Monsoon Asia Drought Atlas?

Wednesday, February 9, 2011 @ 3:00PM, Room 105

Lorenzo Polvani: Stratospheric ozone and Southern hemisphere climate change
Yochanan Kushnir: Mechanisms of Atlantic Multi-Decadal Climate Variability

Thursday, January 13, 2011 @ 3:00PM, Room 105

Yutian Wu:Transient Atmospheric Circulation Response to An Instantaneous Doubling of Carbon Dioxide
Mingfang Ting: Climate Anomalies Associated with AMV SST Anomalies in CMIP3 Models and CAM4

Wednesday, December 8, 2010 @10:00AM, Room 105

Colin Kelley: Relative roles of natural variability and anthropogenic forced change in recent Mediterranean region precipitation trends
Ed Cook: The Role of Paleo-Drought Atlases in Climate Change Research Over the Common Era

Wednesday, November 17, 2010 @ 10:00AM, Room 105

Richard Seager: Mechanisms-based detection of natural hydroclimate variability and forced hydroclimate change