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Research brief: Groundwater’s essential role in preserving plant transpiration during drought

September 17, 2021 11:13 am Published by Comments Off on Research brief: Groundwater’s essential role in preserving plant transpiration during drought

CLEX researchers and colleagues used a land-surface model that considered groundwater dynamics to explain how groundwater sustains transpiration and eases plant heat pressure during the heatwaves that occurred during the Millennium Drought and the 2017-2019 severe drought over southeast Australia.

Research brief: Sunny days power shallow Marine heatwaves

September 9, 2021 12:41 pm Published by Comments Off on Research brief: Sunny days power shallow Marine heatwaves

Coral bleaching events have been reported over the Great Barrier Reef during La Niña events and the neutral phase of the El Niño–Southern Oscillation, when large-scale sea-surface temperatures may be cooler than normal. How does this occur?

Research brief: How Arctic primary production will alter with climate change

September 8, 2021 4:42 pm Published by Comments Off on Research brief: How Arctic primary production will alter with climate change

Predicting how much primary production will further increase in the Arctic Ocean in coming decades depends on the interplay between the increase in light for primary producers, as the sea ice extent and thickness decrease, and the availability of food in the form of nutrients, such as nitrate, phosphate, and silica.

Research brief: Climate change to cost Pacific tuna fisheries millions

September 8, 2021 4:09 pm Published by Comments Off on Research brief: Climate change to cost Pacific tuna fisheries millions

Using model simulations of the movement of tuna distributions across the tropical Pacific subject to projected ocean changes, the researchers found that without strong mitigation efforts, tuna distributions are likely to shift away from island fishing zones.

Research brief: Why Melbourne’s worst storms come in lines

September 3, 2021 8:51 am Published by Comments Off on Research brief: Why Melbourne’s worst storms come in lines

It has long been suggested in the literature, and discussed casually by meteorologists, that rainfall in Melbourne often occurs as lines of precipitation. However, this had yet to be quantified. CLEX researchers analysed 15 years of radar data from the Australian Radar Archive, using an objective method to identify and track these ‘linear systems’ based on radar reflectivity, size, and shape characteristics.

Can the ocean’s intrinsic dynamics feedback on the atmosphere?

August 17, 2021 10:38 am Published by Comments Off on Can the ocean’s intrinsic dynamics feedback on the atmosphere?

The ocean’s much larger heat capacity acts as “memory” suppressing the atmosphere’s “high-frequency variability” (over time scales of weeks) while producing oceanic motions that vary over longer time scales. This paradigm aims to explain how low-frequency variability emerges in the ocean. But, recently, this paradigm has been challenged.

Research brief: Evapotranspiration shows an increasing trend since 1980

August 2, 2021 2:54 pm Published by Comments Off on Research brief: Evapotranspiration shows an increasing trend since 1980

Climate change is affecting the amount of water evaporating (from soils and surfaces) and transpiring (evaporating through plant leaves) from the land surface. Trends derived from DOLCE V3 show clear increases in ET since 1980 over the majority of the Earth’s surface.

Research brief: Drones used to map thunderstorms

July 16, 2021 10:12 am Published by Comments Off on Research brief: Drones used to map thunderstorms

The overarching goal of the Colorado State University Convective CLoud Outflows and UpDrafts Experiment (C3LOUD-Ex) was to enhance our understanding of deep convective storm processes and how they are represented in numerical models. Pivotal to the experiment was a novel “Flying Curtain” strategy.