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Researchers reveal new mechanism of Amazon deforestation’s impact on precipitation
Observations at small spatial scales often show increased precipitation, while significant negative effects on precipitation are only detectable at larger spatial scales. This indicates a clear scale-
2025-03-08 -
First global model of atmospheric brown nitrogen aerosol reveals its climate impacts
Atmospheric aerosols influence Earth’s climate by absorbing and scattering solar radiation. In particular, organic aerosols (OAs) absorb solar radiation in the near-ultraviolet to visible range. However, assessing their climate effects has been challenging due to the complex composition of organic aerosols and their continuous chemical transformation in the atmosphere.
2025-02-28 -
Researchers achieve significant advancements in mechanisms by which unsaturated zone affects groundwater dynamics
The unsaturated zone, a crucial transition zone linking surface and subsurface flow, plays a significant role in quantifying the hydrological processes of watersheds. However, due to the nonlinearity, traditional groundwater models often neglect its
2024-11-26 -
Researchers quantify impacts of precursor emissions on PM2.5 and O3 attributable health burden
Air pollution, particularly from fine particulate matter (PM2.5) and ozone (O3), poses serious health risks, causing respiratory and cardiovascular diseases that lead to premature deaths. Despite global efforts to manage air quality, millions still f
2024-07-03 -
Researchers highlight molecular-level carbon traits underlying multidimensional fine-root economics space
Carbon, a fundamental constituent of terrestrial life, has long captivated attention due to its pivotal role. While previous focus centered on the total carbon content in plant tissues, scant attention was paid to the composition, abundance, and dive
2024-05-17 -
Researchers reveal climate extremes cause record-breaking wildfire emission in boreal forest in 2023
In the context of global warming, frequent extreme weather events like droughts, high temperatures, and wildfires threaten the vital carbon-storing role of northern coniferous forests.Understanding the mechanisms driving these extreme wildfire events
2024-05-14 -
Researchers successfully implement distributed hydrological modeling in deep neural networks
In recent years, with the accumulation of Earth’s big data, data-driven methods represented by deep learning have surpassed traditional hydrological models in simulation accuracy. Still, the black-box nature and lack of physical mechanisms have limit
2024-04-30 -
Researchers highlight urgent need for improved modeling of evapotranspiration sensitivity to vegetation change
Concerns regarding the interactions between vegetation and climate extend over a century and endure in the present era. Acting as biotic pumps, vegetation transports water from the land and releases moisture into the atmosphere through evapotranspira
2024-04-24 -
Researchers use machine learning to guide global agricultural ammonia emissions reduction
Ammonia (NH3) is a major air pollutant and a key driver of smog formation. Agricultural emissions are the leading source of NH3, accounting for approximately 51-60% of global anthropogenic NH3 emissions, of which more than half come from rice, w
2024-02-01 -
Researchers show organic nitrogen aerosol to be important contributor to global atmospheric nitrogen deposition
Atmospheric deposition of organic nitrogen (ON) plays a crucial role in the global nitrogen cycle. Surface measurements showed that 2% to 70% of the local atmospheric deposition flux of total nitrogen was organic. However, previous models have largel
2023-10-07
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