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Research brief: Redesigning the Tropical Pacific Observing System

February 19, 2019 10:28 am Published by Comments Off on Research brief: Redesigning the Tropical Pacific Observing System

An improved Tropical Pacific Observing System that is responsive to user needs will provide for better understanding and prediction of the climate system, which will reduce climate uncertainty for society.

Research brief: Changes to weather features of atmospheric conversion lines drive future changes to rainfall

February 18, 2019 2:51 pm Published by Comments Off on Research brief: Changes to weather features of atmospheric conversion lines drive future changes to rainfall

Weather time scales will be needed for models to accurately simulate the dynamic contribution to future precipitation changes with global warming. This will better reproduce spatial patterns and reduce regional uncertainties, especially in the tropics.

Research brief: Improving assimilation of radiance observations by implementing model space localisation in an ensemble Kalman filter

February 12, 2019 10:30 am Published by Comments Off on Research brief: Improving assimilation of radiance observations by implementing model space localisation in an ensemble Kalman filter

New data assimilation method leads to large improvements in forecast accuracy when satellite observations of electromagnetic radiation emanating from the Earth were used to inform the data assimilation scheme.

Research brief: Calibration in the GIMMSv3.0g dataset may have affected dryland NDVI values globally

February 12, 2019 9:21 am Published by Comments Off on Research brief: Calibration in the GIMMSv3.0g dataset may have affected dryland NDVI values globally

Calibration errors in the widely used Global Inventory Monitoring and Modeling System Version 3 NDVI (GIMMSv3.0g) dataset caused significant errors in the trends over some of Australia’s dryland regions. Though identified over Australia, the problematic calibration in the GIMMSv3.0g dataset may have effected dryland NDVI values globally. These errors have been addressed in the updated GIMMSv3.1g which is strongly recommended for use in future studies.