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Research brief: New global land-based precipitation dataset

February 4, 2021 12:12 pm Published by Comments Off on Research brief: New global land-based precipitation dataset

CLEX researchers have developed a new global land-based daily precipitation dataset called Rainfall Estimates on a Gridded Network - REGEN - aimed at facilitating studies to understand changes and variability in several aspects of daily precipitation distributions, extremes and measures of hydrological intensity.

Research brief: Southern ocean overturning circulation responds to SAM

January 15, 2021 9:49 am Published by Comments Off on Research brief: Southern ocean overturning circulation responds to SAM

CLEX researchers introduced a novel methodology to examine the Southern Ocean's response to changing winds. They performed numerical simulations with a global ocean‐sea ice model suite that spans a hierarchy of spatial resolutions and driven by realistic atmospheric forcing conditions.

How a watch could save your life on a hot day

January 13, 2021 10:03 am Published by Comments Off on How a watch could save your life on a hot day

Project Coolbit, is an ongoing investigation that aims to create a personalised approach to assessing thermal comfort and preventing health complications during extreme heat events. It is research that could not only save the lives of individuals but may also change the way we design future cities.

Research brief: Revisiting the 1888 Centennial Drought

January 12, 2021 11:27 am Published by Comments Off on Research brief: Revisiting the 1888 Centennial Drought

To shed more light on short droughts of the past, CLEX researchers took advantage of a newly released dataset from the Bureau of Meteorology to re-examine the infamous Centennial Drought of 1888. Using the new dataset along with historical station data, they analysed monthly rainfall variability across south eastern Australia throughout 1888.

Australia’s Black Summer a climate wake-up call

January 7, 2021 9:00 pm Published by Comments Off on Australia’s Black Summer a climate wake-up call

The 2019/20 Black Summer bushfires are a “wake up call” demonstrating the extreme effects of climate change in Australia, according to a group of experts who’ve published a new study examining the factors that caused the disaster.

Research brief: The interaction of ocean basins may improve long-term climate predictions

December 17, 2020 10:58 am Published by Comments Off on Research brief: The interaction of ocean basins may improve long-term climate predictions

An international team of authors led by NCAR scientist and CLEX PI Jerry Meehl, along with CLEX CIs and AIs, propose that the Pacific and Atlantic ocean basins are mutually interactive, with each basin influencing and responding to processes in the other basin.

Research brief: Indian Ocean warming modulates global atmospheric circulation trends

November 27, 2020 3:25 pm Published by Comments Off on Research brief: Indian Ocean warming modulates global atmospheric circulation trends

Using atmospheric model experiments, researchers have shown that the warming of the tropical Indian Ocean relative to the other two tropical ocean basins can effectively control Walker Circulation changes in the Pacific and Atlantic oceans and influence climate far beyond the Indian Ocean region.

Research brief: Land surface models struggle to reproduce evaporative processes

November 27, 2020 9:34 am Published by Comments Off on Research brief: Land surface models struggle to reproduce evaporative processes

This paper details a new approach to evaluating the performance of land surface models, the component of climate and weather models that simulates land surface processes. It focuses on the cycle of solar radiation during daylight hours and how the energy from the sun is exchanged between the land surface and lower atmosphere.

Research brief: How dryness affects plant hydraulics in different systems

November 24, 2020 12:27 pm Published by Comments Off on Research brief: How dryness affects plant hydraulics in different systems

In this paper, the researchers investigated how dryness, represented by the aridity index, affects the inter-annual variability of ecosystem iso/anisohydricity at the regional scale, estimated using satellite microwave vegetation optical depth observations.