Sentences with phrase «satellite microwave sensors»

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.

Arctic sea - ice cover is predicted from coming July 1 to November 1, using the data from satellite microwave sensors, AMSR - E (2002/03 -2010 / 11) and AMSR2 (2012/13 -2016 / 17).

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

Not exact matches

One final possibility is finding a way to launch the passive - microwave sensor that scientists at the US Naval Research Laboratory salvaged from the dismantled DMSP satellite.

The US military is developing another set of weather satellites to replace the DMSP series, but the one carrying a microwave sensor will not launch before 2022.

The data to assess sea - ice coverage come from polar - orbiting satellites carrying passive - microwave sensors that can see through clouds.

The data come from two different microwave sensors, the first aboard the Nimbus 7 satellite, which flew from 1978 to 1987, and the second from the Defense Meteorological Satellite Programme, which has flown since 1987.

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.

These include microwave tubes, gyroscopes and accelerometers, reaction and momentum wheels to control and stabilize satellites, magnetic bearings, sensors and actuators.

The satellite's sensors measure microwave radiation.

The satellite data come from the European Remote Sensing satellite scatterometers (ERS - 1 and ERS - 2), NASA scatterometers (NSCAT and Seawinds onboard ADEOS - 1 and QuikScat respectively), and several defense Meteorological Satellite Program (DMSP) radiometers (Special Sensor Microwave / Imager [SSM / I] F10 - F15).

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.

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).

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

The models assimilate inputs from weather stations, drifting buoys, radiosondes, aircraft, vessels and since the 1970s, high coverage infra - red and microwave satellite based sensors.

Microwave radiometry data are used to construct brightness temperatures: an indication of the intensity of electromagnetic energy at a particular wavelength that filters up through the atmosphere and reaches the satellite's 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.

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.

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

A pioneering technique that involves the use of satellite - mounted thermal cameras and microwave sensors allows scientists to identify parts of the ocean that are most at risk of acidification.

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

The primary sources of the post-1972 data are the hemispheric fields of sea - ice concentration from (1) the U.S. National Ice Center (NIC), whose weekly grids (derived primarily from satellite data) span the period 1972 - 1994, and (2) the satellite passive - microwave grids from the Scanning Multichannel Microwave Radiometer (SMMR) / Special Sensor Microwave / Imager (SSM / I) period, 1978 - 97 (Parkinson and othermicrowave grids from the Scanning Multichannel Microwave Radiometer (SMMR) / Special Sensor Microwave / Imager (SSM / I) period, 1978 - 97 (Parkinson and otherMicrowave Radiometer (SMMR) / Special Sensor Microwave / Imager (SSM / I) period, 1978 - 97 (Parkinson and otherMicrowave / Imager (SSM / I) period, 1978 - 97 (Parkinson and others, 1999).

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.

Recently, substantial progress has been made using satellite observations to obtain total column water vapor and some low - resolution vertical profiles from infrared and microwave sensors.

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

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 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.

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.

All through this long, hot summer I've been peering down at Earth through the sensors of humanity's eyes in the sky: MODIS, with its the 36 frequency bands, flying aboard NASA's «Terra» and «Aqua,» or the AMSU microwave sensors aboard NOAA satellites.

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.

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