Sentences with phrase «by microwave sensors»

In storms, ice and liquid water not only are key ingredients for separating the positive and negative electrical charges that initiate a lightning strike; they also are the main features detected by microwave sensors on satellites.

Unprecedented views of surface wind and wave fields in storms are now provided by microwave sensors on - board polar orbiting satellites.

Not exact matches

For now, the centre is preparing for those scenarios by incorporating data from Japan's AMSR2 microwave sensor into its sea - ice record.

In January a team led by David Smith of Duke University demonstrated a metamaterial - based microwave camera that requires minimal data storage and sensors, which could replace bulkier, costlier microwave imagers now used in some airport security booths.

In contrast, the Scripps team opted to directly correlate albedo measurements made by NASA's CERES instrument data with observations of sea ice extent made by the Special Sensor Microwave Imager (SSM / I) radiometers aboard Defense Meteorological Satellite Program satellites.

Researchers from North Carolina State University have found a way to reduce the coercivity of nickel ferrite (NFO) thin films by as much as 80 percent by patterning the surface of the material, opening the door to more energy efficient high - frequency electronics, such as sensors, microwave devices and antennas.

By now, scientists have figured out how to manufacture spintronic nanogenerators, microwave radiation detectors, and magnetic field sensors that surpass their electronic analogs.

«Cloud water content as gauged by the Special Sensor Microwave / Imager (SSM / I) reaches a minimum ~ 7 days after the Forbush minimum in cosmic rays...» Svensmark et al, «Cosmic ray decreases affect atmospheric aerosols and clouds», GEOPHYSICAL RESEARCH LETTERS,

This image shows the minimum extent for 2009 as observed by the Advanced Microwave Scanning Radiometer for EOS (AMSR - E), a Japanese sensor flying on NASA's Aqua satellite.

All these sensors make measurements at critical frequencies at and above 85 gigahertz (GHz); sensors measure microwave emissions at 183 GHz, the signature frequency band emitted by water vapor, making it feasible to detect frozen hydrometeors (snow, ice, and the like) in the atmosphere.

Roy and I were the first to build climate - type global temperature datasets from satellite microwave sensors, so we learned as we went — and were aided by others who read our papers and checked our methods.

This figure is an overlay of a lightning stroke map from WWLLN (black circles) and 91 - gigahertz brightness temperatures provided by the Special Sensor Microwave Imager / Sounder (SSMIS) radiometer on the low - orbit satellite DMSP F - 18.

Based on observations by the Special Sensor Microwave / Imagers from the Defense Meteorological Satellite Program (DMSP) satellites.

The images were made from observations by the Special Sensor Microwave / Imagers from the Defense Meteorological Satellite Program (DMSP) satellites.

The 2012 map was compiled from observations by the Advanced Microwave Scanning Radiometer 2 (AMSR - 2) sensor on the Global Change Observation Mission 1st — Water («Shizuku») satellite, which is operated by the Japan Aerospace Exploration Agency (JAXA).

NASA Earth Observatory image by Jesse Allen, using data from the Advanced Microwave Scanning Radiometer 2 AMSR - 2 sensor on the Global Change Observation Mission 1st - Water (GCOM - W1) satellite.

The microwave sensors on the satellites do not directly measure temperature, but rather radiation given off by oxygen in the Earth's atmosphere.

Sea ice concentration, which is independently measured and well observed by passive microwave satellite sensors, gives additional important information on changes in the Antarctic environment.

Scientists from Australia, China, the US and France report in the journal Nature that they examined optical, thermal, microwave and gravity data collected by orbiting sensors between 2000 and 2012.

The combined all - weather canopy surface temperature provided by passive microwave sensor, such as AMSR - E and hyperspectral data are also important for monitoring plants water stress for early warning.

The ice coverage has been documented since 1973 by means of passive microwave sensors on polar orbiting satellite.

The almost linear increase in global mean temperature since 1979 has been mapped out by Grant Foster of Tempo Analytica in the US and Stefan Rahmstorf from the Potsdam institute for Climate Impact Research, thanks to the satellite microwave - sensor imagery, available since that date.