Sentences with phrase «of microwave radiometers»

Not exact matches

RE: Just a little piecprsteve on the credibility of the authors of the study: Study co-author Dr. Roy Spencer, a principal research scientist at the University of Alabama in Huntsville and U.S. Science Team Leader for the Advanced Microwave Scanning Radiometer flying on NASA's Aqua satellite, reports that real - world data from NASA's Terra satellite contradict multiple assumptions fed into alarmist computer models.

As the spacecraft swooped 9,000 kilometers above the giant storm, Juno's microwave radiometer peered through the deep layers of cloud, measuring the atmosphere's temperature down hundreds of kilometers.

PASADENA, Calif. — When ground controllers begin powering up the Juno spacecraft's science instruments on July 6, one of their most important goals will be to get the microwave radiometer up and running.

Critically, Juno's microwave radiometer will not simply survey Jupiter's cloud tops — instead, it will peer below the ammonia clouds that shroud most of the planet, which are largely transparent to microwaves.

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.

«Along with the microwave radiometer measurements, which have also shown surprises in the deep atmosphere, these results demonstrate that if we want to understand giant planets, we will need to study all of Jupiter,» Levin says.

Finnish Meteorological Institute has been doing estimates of two essential sea ice parameters — namely, sea ice concentration (SIC) and sea ice thickness (SIT)-- for the Bohai Sea using a combination of a thermodynamic sea ice model and Earth observation (EO) data from synthetic aperture radar (SAR) and microwave radiometer.

This hindcast uses two time - varying inputs: 10 - meter wind vectors from the atmospheric model NAVGEM (Navy Global Environmental Model, Hogan et al. 2014) run at the Fleet Numerical Meteorology and Oceanography Center (FNMOC), and analyses of ice concentrations (also produced at FNMOC) from passive microwave radiometer data (SSM / I).

The National Space Development Agency of Japan contributed a microwave scanning radiometer to measure water vapor content and precipitation rates, and Brazil's space agency provided a device to measure atmospheric humidity.

Roy W. Spencer is a well known AGW «Denier» a PHD, U.S., Science Team Leader for the Advanced Microwave Scanning Radiometer (AMSR - E) on NASA's Aqua satellite, holder of the NASA Exceptional Scientific Achievement Medal, published in Nature (one of the most prestigious science journals in the world), yet some of his most basic scientific ideas are clearly ridiculous.

Microwave radiometers are very sensitive gauges of energy transmitted from the Earth which scientists can use to judge the amount of water, ice or water vapour underneath the spacecraft's flight path.

Microwave radars of the European Remote - Sensing Satellites (ERS), radiometers of the Defense Meteorological Satellite Program (DMSP) and the dual - frequency altimeter TOPEX - POSEIDON have shown their ability to improve the description and location of storms, especially in the case of tropical cyclones for which very few traditional observations exist.

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 Advanced Microwave Scanning Radiometer (AMSR - E), a high - resolution passive microwave Instrument on NASA's Aqua satellite shows the state of Arctic sea ice on September 10 in this image released September Microwave Scanning Radiometer (AMSR - E), a high - resolution passive microwave Instrument on NASA's Aqua satellite shows the state of Arctic sea ice on September 10 in this image released September microwave Instrument on NASA's Aqua satellite shows the state of Arctic sea ice on September 10 in this image released September 16, 2008.

The Microwave Radiometer - High Frequency (MWRHF) provides time - series measurements of brightness temperatures from two channels centered at 90 and 150 GHz.

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.

Currently a principal research scientist at the University of Alabama in Huntsville, he also «serves as the U.S. Science Team Leader for the Advanced Microwave Scanning Radiometer for EOS... flying on NASA's Aqua satellite.»

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).

MacFarlane, S.F., K.F. Evans, and A.S. Ackerman, 2002: A Bayesian algorithm for the retrieval of liquid water cloud properties from microwave radiometer and millimeter radar data.

For practical purposes, SSTsubskin can be well approximated to the measurement of surface temperature by a microwave radiometer operating in the 6 - 11 GHz frequency range, but the relationship is neither direct nor invariant to changing physical conditions or to the specific geometry of the microwave measurements.

Useful satellite data concerning sea ice began in late 1978 with the launch of NASA's Scanning Multichannel Microwave Radiometer (SMMR) satellite.

The Microwave Radiometer (MWR) provides time - series measurements of column - integrated amounts of water vapor and liquid water.

Temperature sounding microwave radiometers flown on polar - orbiting weather satellites provide a long - term, global - scale record of upper - atmosphere temperatures, beginning in late 1978 and continuing to the present.

Project Scientist Kevin Pearson has recently published a paper on the role of the Advanced Microwave Scanning Radiometer 2 (AMSR2) channels within an optimal estimation scheme for sea surface temperature.

The subskin SST, SSTsubskin, is representative of the SST at the bottom of the skin temperature layer and is usually the value measured by a low - frequency (6 - 10 GHz) microwave radiometer.

The cancellation of CMIS leaves JAXA's AMSR - E and the U.S. Navy's WindSat as the only low - frequency, high - spatial - resolution microwave radiometers in space.

CMIS represented the state of the art in satellite microwave radiometers and was intended to continue, with a higher degree of accuracy and resolution, the time series of many fundamental climate variables, including SST and wind, sea ice and snow coverage, soil moisture, and atmospheric moisture (vapor, clouds, and rain).

CMIS had a number of advanced capabilities that are not available from the current operational microwave imaging radiometers SSM / I and SSMIS.

In the original configuration of NPOESS, the ocean surface vector wind data record established by QuikSCAT was to be replaced by passive microwave measurements of wind speed and direction by the polarimetric CMIS radiometer.

Matrosov S. Y. and D. D. Turner (March 2018): Retrieving mean temperature of atmospheric liquid water layers using microwave radiometer measurements.

The endemic cloud cover at high latitudes prevents monitoring of ocean temperatures by IR radiometers, and microwave radiometers provide the only way to continually measure SST in these vital Arctic regions, which are now experiencing rapid climate change.

With MIS delayed until NPOESS C2, there is a need to continue the long (28 - year) climate data record of sea ice extent and concentration collected by passive microwave radiometers; continued scatterometer and altimeter measurements are also required.

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.