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Polymer tensiometers with ceramic cones: direct observations of matric pressures in drying soils
Polymer tensiometers ceramic cones drying soils
2010/12/22
Measuring soil water potentials is crucial to characterize vadose zone processes. Conventional tensiometers only measure until approximately −0.09 MPa, and indirect methods may suffer from the n...
Scientists Make First Direct Observations of Biological Particles in High-Altitude Clouds（图）
Scientists Direct Observations Biological Particles High-Altitude Clouds
2009/5/20
A team of atmospheric chemists has moved closer to what's considered the "holy grail" of climate change science: the first-ever direct detections of biological particles within ice clouds.The team, le...
Direct Observations of the Mean Circulation at 48°N in the Atlantic Ocean
Mean Circulation 48°N Atlantic Ocean
2008/12/30
Eulerian velocity measurements carried out along 48°N in the Atlantic Ocean Provide averaged velocities with definite large-scale structure. This warrants an analysis of these mean velocity vectors wi...
Direct observations of the atmospheric processing of Asian mineral dust
atmospheric processing Asian mineral dust
2008/12/3
The accumulation of secondary acids and ammonium on individual mineral dust particles during ACE-Asia has been measured with an online single-particle mass spectrometer, the ATOFMS. Changes in the amo...