Sentences with phrase «microwave sensors on»

The National Snow and Ice Data Center (NSIDC) is one a several groups monitoring sea - ice levels, using microwave sensors on polar satellites.

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

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

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

Silicon photonics are forming the backbone of next - generation on - chip technologies and optical telecommunication, which are aimed at a wide range of emerging applications including optical interconnects, microwave photonic circuits, and integrated optical sensors.

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.

These maps rely on mathematical models that process raw data on the amounts of microwave radiation that reach a variety of satellite sensors from cloud ice content and the land and ocean surfaces below.

The Special Sensor Microwave Imager and Sounder (SSMIS) on the Defense Meteorological Satellite Program (DMSP) F - 17 satellite that provides passive microwave brightness temperatures (and derived Arctic and Antarctic sea ice products) has been providing spurious data since beginning of AprMicrowave Imager and Sounder (SSMIS) on the Defense Meteorological Satellite Program (DMSP) F - 17 satellite that provides passive microwave brightness temperatures (and derived Arctic and Antarctic sea ice products) has been providing spurious data since beginning of Aprmicrowave brightness temperatures (and derived Arctic and Antarctic sea ice products) has been providing spurious data since beginning of April, 2016.

Improve sea ice classification based on Synthetic Aperture Radar (SAR), scatterometers and passive microwave (PMW) sensors.

Since 1979, scientists have relied on a variety of satellite sensors, including the Scanning Multichannel Microwave Radiometer (SMMR), the Special Sensor Microwave / Imager (SSM / I), the Advanced Microwave Scanning Radiometer — Earth Observing System (AMSR - E), and (most recently) the Special Sensor Microwave Imager / Sounder (SSMIS).

The MASIE product often catches ice that the microwave data alone miss, especially in summer, when melt ponds on the surface of the ice appear as ocean to the sensor.

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 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.

Our estimate is based on a statistical way using data from satellite microwave sensor.

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.

To monitor Arctic sea ice, NSIDC primarily has used the NASA Advanced Microwave Scanning Radiometer — Earth Observing System (AMSR - E) instrument on the NASA Aqua satellite and the Special Sensor Microwave / Imager (SSM / I) instrument on the Defense Meteorological Satellite Program (DMSP) satellite.

The Special Sensor Microwave Imager and Sounder (SSMIS) on the Defense Meteorological Satellite Program (DMSP) F - 17 satellite that provides passive microwave brightness temperatures (and derived Arctic and Antarctic sea ice products) has been providing spurious data since the beginning of AprMicrowave Imager and Sounder (SSMIS) on the Defense Meteorological Satellite Program (DMSP) F - 17 satellite that provides passive microwave brightness temperatures (and derived Arctic and Antarctic sea ice products) has been providing spurious data since the beginning of Aprmicrowave brightness temperatures (and derived Arctic and Antarctic sea ice products) has been providing spurious data since the beginning of April, 2016.

The Sea Ice Index relies on NASA - developed methods to estimate sea ice conditions using passive - microwave data from the Defense Meteorological Satellite Program (DMSP) the Special Sensor Microwave Imager / Soundermicrowave data from the Defense Meteorological Satellite Program (DMSP) the Special Sensor Microwave Imager / SounderMicrowave Imager / Sounder (SSMIS).

Some participants expressed concern that a capability for passive microwave precipitation measurements may not emerge in the revised MIS sensor, and they suggested that NPOESS place emphasis on the water cycle (water vapor, liquid water, ice water, and precipitation) when considering MIS requirements, possibly including giant magneto - impedance (GMI) bands.

Another research group from Remote Sensing Systems maintains a similar record based on microwave sounders on satellites, although there are a few differences in the way the Remote Sensing Systems and University of Alabama teams handle gaps in the record and correct for differences between sensors.

Anyway, as I haven't been motivated to attack the snow which has buried my D / W and am thus marooned, I looked around for information on Dickie radiometers, the sort of electronic device used in passive microwave sensors.

A separate higher frequency microwave sensor will provide data on rainfall, wind, and sea ice.