Sentences with phrase «from radiometer»

The main improvements with respect to V2 version flux products (Bentamy et al, 2008) are related to the improvements of the specific air humidity estimation from radiometer measurements, to the assessment of the surface winds retrieved from QuikSCAT scatterometers, and to the use of the new objective method allowing the calculation of flux analyses over the global oceans.

The remotely sensed winds and latent heat fluxes are mainly derived from the scatterometers onboard the European Remote Sensing Satellites (ERS - 1 and ERS - 2), NASA scatterometer (NSCAT) onboard ADEOS - 1, Seawinds scatterometer onboard QuikSCAT, and from the radiometers onboard the Defense Meteorological Satellite Program (F10, F11, F13, F14, and F15).

Yet according to this study: http://www.ucar.edu/news/releases/2006/brightness.shtml «Data collected from radiometers on U.S. and European spacecraft show that the Sun is about 0.07 percent brighter in years of peak sunspot activity, such as around 2000, than when spots are rare (as they are now, at the low end of the 11 - year solar cycle).

In addition to the data from the radiometers, the Berkeley Lab scientists will get supplemental data by taking advantage of a separate, in - depth DOE climate study at the same location, which is using additional instruments and a balloon - borne sounding system to get information on temperature, cloud cover, the density and types of aerosols or pollution particles, heat fluxes and other climate variables like precipitation.

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.

They combined data from LEND with lunar topography and illumination maps derived from LRO's LOLA instrument (Lunar Orbiter Laser Altimeter), and temperature maps from LRO's Diviner instrument (Diviner Lunar Radiometer Experiment) to discover the greater hydrogen abundance and associated surface conditions on PFS.

Since our radiometer employed an absolute reference, it was possible to obtain absolute background data from the reference region observed around each of the 29 sources investigated that day.

The environmental data sets from the Tropical Rainfall Measuring Mission and the MODIS sensors will continue into the next decade with data provided by their follow - on missions: the Global Precipitation Measurement mission to launch in early 2014, and the Visible Infrared Imaging Radiometer Suite on the Suomi National Polar - orbiting Partnership satellite currently in orbit.

Data from the Visible - Infrared Imager / Radiometer Suite (VIIRS) instrument on board the NASA / NOAA Suomi NPP satellite is able to detect these subtle differences in greenness, and is sending extraordinary images back to Earth giving us a clearer picture of vegetation around the world.

An international team of 32 authors from 24 institutions in eight countries led the effort, which involved using satellite data from NASA's Moderate Resolution Imaging Spectrometer and the National Oceanic and Atmospheric Administration's Advanced Very High Resolution Radiometer instruments to help determine the leaf area index, or amount of leaf cover, over the planet's vegetated regions.

When the Active Cavity Radiometer Irradiance Monitor (ACRIM I) satellite ended its mission, there was a delay in launching ACRIM II, which meant that data from the Earth Radiation Budget Satellite (ERBS) satellite data had to be used during the intervening period.

The collaborative project ACCESS (Advanced E Band Satellite Link Studies) was carried out by a research group headed by Professor Ingmar Kallfass from the Institute of Robust Power Semiconductor Systems (ILH) from the University of Stuttgart, the Institut für Hochfrequenztechnik und Elektronik (IHE) from KIT, Radiometer Physics GmbH, and the Fraunhofer Institute for Applied Solid State Physics IAF.

The microwave radiometer will measure heat radiation coming from the Moon.

In return, Britain has instant access to data not only from the MLS but also two other radiometers aboard the NASA satellite.

Using data from the Diviner Lunar Radiometer Experiment, we show that four regions of the Moon previously described as «red spots» exhibit mid-infrared spectra best explained by quartz, silica - rich glass, or alkali feldspar.

Dr. Vijay Singh, A Texas A&M AgriLife Research assistant research scientist, uses a hyperspectral radiometer to collect reflectance signatures from weeds.

Other studies analyzing satellite data from the International Satellite Cloud Climatology Project (ISCCP), the Advanced Very High Resolution Radiometer (AVHRR), and the Clouds and the Earth's Radiant Energy System (CERES) such as Chang and Coakley (2007) and Eitzen et al. (2008) have indicated that cloud optical depth of low marine clouds might be expected to decrease with increasing temperature.

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.

The calculations take into account radiometer noise, intrinsic variability of the pulses that causes «jitter noise», pulse broadening from scattering along the entire line of sight, and the finite number of scintles in the timing data.

Image credit: Composite image from Suomi National Polar - orbiting Partnership (NPP) satelllite Visible Infrared Imaging Radiometer Suite (VIIRS).

A sensitivity study of the LIdar - Radiometer Inversion Code (LIRIC) using selected cases from Thessaloniki, Greece database

This is very encouraging for the future application of measurements from sea - going spectral radiometers, as instruments not only for the validation of satellite - derived SST but also for studying the physics of the ocean skin temperature layer.

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).

To reduce the variability and bias introduced into the QME AERI / LBLRTM radiance residuals, the moisture profiles from each radiosonde are scaled such that its total precipitable water vapor matches that retrieved from the microwave radiometer (MWR), and these scaled profiles are used to drive the model.

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).

These were based on U.S. Navy, Canadian and Danish aerial reconnaissance data and from retrievals from advanced very high resolution radiometer (AVHRR), passive microwave, and other satellite instruments

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.

From its position at L1, DSCOVR uses the National Institute of Standards and Technology Advanced Radiometer (NISTAR) to produce a consistent and accurate measurement of all outgoing energy from EaFrom its position at L1, DSCOVR uses the National Institute of Standards and Technology Advanced Radiometer (NISTAR) to produce a consistent and accurate measurement of all outgoing energy from Eafrom Earth.

The top image, made from sea ice observations collected by the Advanced Microwave Scanning Radiometer (AMSR - E) Instrument on NASA's Aqua satellite, shows sea ice extent on September 19, 2010.

The team used 26 years of continuous data from the Advanced Very High Resolution Radiometer, a space - borne sensor flying on a National Oceanic and Atmospheric Administration satellite, to measure the forest greenness.

Other data sources were investigated, including the new Berkeley land - ocean temperature data, the MERRA weather model reanalysis, and satellite radiometer datasets from AIRS and AVHRR.

The Special Sensor Microwave Imager (SSM / I) radiometers provide brightness temperatures at three different frequencies (19.35, 37.0 and 85.5 GHz) from which are estimated: wind speed when not raining, integrated atmospheric water vapor content, liquid water content, and a rain index.

NOAA Coral Reef Watch (CRW) thermal stress products used in this study were based on nighttime - only Advanced Very High Resolution Radiometer (AVHRR) sea surface temperature (SST) data from sensors aboard operational NOAA Polar - Orbiting Environmental Satellites (POES), produced in near - real - time at 0.5 - degree (50 - km) spatial resolution.

Over the ocean this includes: sea surface slope and surface current, significant wave height, wind speed and sea level from radar altimetry at about 10 km resolution: sea surface temperature under cloud free conditions from the infrared radiometer at about 300 m resolution; chlorophyll a and phytoplankton from the imaging spectrometer under cloud free conditions at about 300 m resolution.

Over the sea ice field the observations include: sea ice freeboard height and hence sea ice thickness from radar altimetry; sea ice surface temperature and sea ice drift from respectively infrared radiometer and imaging spectrometer under cloud free conditions.

In 2000, NASA data visualizers compiled an image of the western hemisphere using data from the National Oceanic and Atmospheric Administration's GOES - 8 and Advanced Very High Resolution Radiometer, and NASA and Orbital Sciences Corporation's Sea - viewing Wide Field - of - view Sensor.

The WOUDC archive contains total ozone column data mainly from Dobson and Brewer UV spectrophotometers as well as from M - 124 UV filter radiometers from the early fifties onwards.

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

Global compilations from ground - based radiometer data (Liepert, 2002), covering the period 1960 - 1990, suggest a substantial decrease in solar irradiance reaching the ground.»

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.

All Radiant Emittance detectors, radiometers or spectrometers, are encased in a metal box removing from the signal Radiant Emittance from the opposite direction to the «View Angle».

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 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 1984 image was made from observations by the Scanning Multichannel Microwave Radiometer (SMMR) on the Nimbus - 7 satellite.

2008 G. Matthews, «Celestial body irradiance determination from an under - filled satellite radiometer: Application to albedo and thermal emission measurements of the Moon using CERES» Applied Optics.

Note: The Sea Ice Index input data comes from the passive microwave instrument on the DMSP satellites, but IMS uses the Advanced Microwave Scanning Radiometer - Earth Observing System (AMSR - E) instrument on the Aqua satellite from 2002 to 2011.

Surface skin temperatures have been derived from the thermal infrared channels of the Advanced Very High Resolution Radiometer (AVHRR), as discussed by Comiso (2000).

A radiometer that is warmer than the device radiating towards it can still measure the radiation from that object — according to your arguments, that would be impossible.

It is based on channel - 1 and -2 radiance data from the Advanced Very High Resolution Radiometer (AVHRR) instruments flown on successive National Oceanic and Atmospheric Administration (NOAA) platforms.