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Stomatal and mesophyll conductance are dominant limitations to photosynthesis in response to heat stress during severe drought in a temperate and a tropical tree species
High temperature Water deficit Water use efficiency Carbon exchange Vcmax
2023/12/6
Drought and heat stress cause a significant reduction in forest primary production. The current study aims to determine the major limitations to photosynthesis in a temperate and tropical tree species...
Astrape: A System for Mapping Severe Abiotic Forest Disturbances Using High Spatial Resolution Satellite Imagery and Unsupervised Classification
astrapeforest disturbanceSentinel-2planetdoveimage segmentation RSGISLibjenksXGBoost
2023/12/6
Severe forest disturbance events are becoming more common due to climate change and many forest managers rely heavily upon airborne surveys to map damage. However, when the damage is extensive, airbor...
In a clinical trial of 403 patients, Massachusetts General Brigham investigators found that 55 percent of those who received ketamine treatment experienced a sustained improvement in depressive sympto...
How climate change impacts the Indian Ocean dipole, leading to severe droughts and floods（图）
气候变化 印度洋 偶极子 干旱 洪水
2023/6/26
A study led by Brown researchers showed how melting ice water from massive glaciers can ultimately lead to droughts and flooding in East Africa and Indonesia.
PROVIDENCE, R.I. [Brown University] — Wi...
Unchecked climate change will cause severe drying of the Amazon forest
extreme drought Amazon rain forests Unchecked climate change
2021/8/4
Amazon rain forests could be at far higher risk of extreme drought than previously thought, according to new research.
Leaf fossils show severe end-Cretaceous plant extinction in Patagonia（图）
Leaf fossils severe end-Cretaceous plant extinction Patagonia
2021/1/18
The asteroid impact 66 million years ago that ushered in a mass extinction and ended the dinosaurs also killed off many of the plants they relied on for food. Fossil leaf assemblages from Patagonia su...
Extreme rainfall projected to become more severe, frequent with warming（图）
Extreme rainfall projected frequent warming
2020/11/20
Across the continental United States, massive, often-devastating precipitation events -- the kind that climate scientists have long called "hundred-year storms" -- could become three times more likely...
Knowledge of severe storm patterns may improve tornado warnings（图）
Knowledge severe storm patterns tornado warnings
2020/7/10
Advanced radar techniques may help distinguish which severe storms are likely to produce dangerous tornadoes, leading to more accurate warnings, according to National Science Foundation-funded sc...
Detectable Serum Severe Acute Respiratory Syndrome Coronavirus 2 Viral Load (RNAemia) Is Closely Correlated With Drastically Elevated Interleukin 6 Level in Critically Ill Patients With Coronavirus Disease 2019
coronavirus disease-19 (COVID-19) RNAemia IL-6 critically ill patients cytokine storm
2020/6/12
Although the detection of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) viral load in respiratory specimens has been widely used to diagnose coronavirus disease 2019 (COVID-19), it is u...
Effectiveness of convalescent plasma therapy in severe COVID-19 patients
COVID-19 convalescent plasma treatment outcome pilot project
2020/6/12
Currently, there are no approved specific antiviral agents for novel coronavirus disease 2019 (COVID-19). In this study, 10 severe patients confirmed by real-time viral RNA test were enrolled prospect...
A relationship between severe winter weather and Arctic warmth?（图）
relationship between severe winter weather Arctic warmth
2020/2/20
A new review article published in Nature Climate Change evaluates whether severe winter weather in the United States, Europe and Asia is sensitive to Arctic temperatures. The lead author is NSF-funded...
Using artificial intelligence to better predict severe weather（图）
artificial intelligence better predict severe weather
2019/10/23
When forecasting weather, meteorologists use a number of models and data sources to track shapes and movements of clouds that could indicate severe storms. However, with increasingly expanding weather...
Jordan faces likelihood of much more frequent long and severe droughts,Stanford researchers find（图）
Jordan faces likelihood severe droughts Stanford researchers
2017/9/19
A new analysis of drought in Jordan – one of the world’s most water-poor countries – suggests that without alternate water sources, better land use and improved water-sharing agreements, the country c...
Soya, maize, and sorghum–based ready-to-use therapeutic food with amino acid is as efficacious as the standard milk and peanut paste–based formulation for the treatment of severe acute malnutrition in children: a noninferiority individually randomized controlled efficacy clinical trial in Malawi
severe acute malnutrition anemia iron deficiency anemia efficacy ready-to-use therapeutic food amino acid sorghum soya cow milk
2018/11/16
Background: Development of more cost-effective ready-to-use therapeutic food (RUTF) is a global public health priority. To date, previous lower-cost recipes have been less effective than the standard ...
Soya, maize, and sorghum–based ready-to-use therapeutic food with amino acid is as efficacious as the standard milk and peanut paste–based formulation for the treatment of severe acute malnutrition in children: a noninferiority individually randomized controlled efficacy clinical trial in Malawi
severe acute malnutrition anemia iron deficiency anemia efficacy ready-to-use therapeutic food amino acid sorghum soya cow milk
2018/11/20
Background: Development of more cost-effective ready-to-use therapeutic food (RUTF) is a global public health priority. To date, previous lower-cost recipes have been less effective than the standard ...