Modeling, Analysis, Predictions and Projections (MAPP)

Mountain Range Representation Could Reduce Biases in Global Climate Models, Study Says 22 June 2021

Mountain Range Representation Could Reduce Biases in Global Climate Models, Study Says

Better representation of mountain range heights could help reduce biases in how global climate models simulate important atmospheric and climate processes.

Outcomes of the MAPP S2S Prediction Task Force 14 June 2021

Outcomes of the MAPP S2S Prediction Task Force

The Subseasonal to Seasonal (S2S) Prediction Task Force helped advance NOAA’s and the nation’s capability to model and predict sources of predictability between weather and seasonal timescales.
Using Models to Test the Physics of Observational Instruments in the Atlantic Ocean 3 June 2021

Using Models to Test the Physics of Observational Instruments in the Atlantic Ocean

A recent study bridges observations and modeling, and shows a way to make improvements to the observational instruments climate scientists rely on to study global circulation patterns. 

Study Proposes New Way to Define Drought, Capturing Natural Variations and Human Actions 18 May 2021

Study Proposes New Way to Define Drought, Capturing Natural Variations and Human Actions

While drought is commonly defined by precipitation and runoff deficits, the study challenges this understanding by proposing a new definition: anthropogenic drought. Within human‐water systems, drought must be defined and understood as the complex and interrelated dynamics of both natural and human‐induced changes, the authors say.

Greenhouse Gas and Aerosol Emissions are Lengthening and Intensifying Droughts 18 May 2021

Greenhouse Gas and Aerosol Emissions are Lengthening and Intensifying Droughts

CPO-funded study shows human-caused boost to drying in Americas, Africa, and Asia

“There has always been natural variability in drought events around the world, but our research shows the clear human influence on drying, specifically from anthropogenic aerosols, carbon dioxide, and other greenhouse gases,” said lead author Felicia Chiang from the University of California, Irvine. 

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Contact

Dr. Daniel Barrie
Acting MAPP Program Director
P: 301-734-1256
E: daniel.barrie@noaa.gov

Courtney Byrd
MAPP Program Specialist
P: 301-734-1257
E: courtney.byrd@noaa.gov

Wenfei Ni
MAPP Program Specialist
P: 
E: wenfei.ni@noaa.gov

Dr. Annarita Mariotti
MAPP Program Director, on detail to EOP/OSTP
P: 301-734-1237
E: annarita.mariotti@noaa.gov

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