Sentences with phrase «microwave sounding units»

The research reported here was done using an earlier version of the satellite microwave sounding unit dataset.

In addition to surface measurements over the world's land and oceans, satellite microwave sounding units have been providing estimates of global lower atmospheric temperatures since 1979.

As part of an ongoing joint project between UAH, NOAA and NASA, Christy and Dr. Roy Spencer, an ESSC principal scientist, use data gathered by advanced microwave sounding units on NOAA and NASA satellites to get accurate temperature readings for almost all regions of the Earth.

As part of an ongoing joint project between UAHuntsville, NOAA and NASA, Christy and Dr. Roy Spencer, an ESSC principal scientist, use data gathered by advanced microwave sounding units on NOAA and NASA satellites to get accurate temperature readings for almost all regions on the Earth.

Global and latitudinal distributions of atmospheric temperature trends for 1979 - 2005, based on satellite - borne microwave sounding unit observations.

Since the first microwave sounding unit was launched into orbit in November 1978, satellite - based instruments have measured the temperature of the atmosphere from the surface up to an altitude of about eight kilometers above sea level.

«Evidence of possible sea - ice influence on Microwave Sounding Unit tropospheric temperature trends in polar regions»

The skeptics tend to pick out one aspect where there is perhaps not full agreement and fail to recognize that observations as well as models have shortcomings (witness the recent MSU [Microwave Sounding Unit] report's findings of shortcomings in the observational techniques, etc.)-- and that our best understanding must be based on a coherent integration of the many, many studies into a comprehensive synthesis — and this is what the IPCC assessments (and others) do.

As a further indication, satellite - mounted Microwave Sounding Unit (MSU) data13 matches lower - bound trends moderately well over the period of overlapping data, leaving the GISTEMP6 estimate looking anomalously high.

Although last month was «the fifth warmest September in the satellite record» due to the effects of a «monster El Nino», «the global climate trend since Nov. 16, 1978: +0.11 C per decade,» according to the latest report from the University of Alabama / Huntsville's Earth System Science Center, which monitors advanced microwave sounding units installed on NOAA and NASA satellites.

The ONLY instrumentation we have that is adequate to the task are the globe spanning orbital microwave sounding units.

As part of an ongoing joint project between UAHuntsville, NOAA and NASA, Christy and Spencer use data gathered by advanced microwave sounding units on NOAA and NASA satellites to get accurate temperature readings for almost all regions of the Earth.

This is at the lower end of computer model projections of how much the atmosphere should have warmed due to the effects of extra greenhouse gases since the first Microwave Sounding Unit (MSU) went into service in Earth orbit in late November 1978, according to satellite data processed and archived at UAHuntsville's ESSC.

While there remain disparities among different tropospheric temperature trends estimated from satellite Microwave Sounding Unit (MSU and advanced MSU) measurements since 1979, and all likely still contain residual errors, estimates have been substantially improved (and data set differences reduced) through adjustments for issues of changing satellites, orbit decay and drift in local crossing time (i.e., diurnal cycle effects).

Linear additivity was found to hold in the PCM model for changes in tropopause height and synthetic satellite - borne Microwave Sounding Unit (MSU) temperatures (Christy et al., 2000; Mears et al., 2003; Santer et al., 2003b).

As part of an ongoing joint project between UAHuntsville, NOAA and NASA, John Christy, a professor of atmospheric science and director of the Earth System Science Center (ESSC) at The University of Alabama in Huntsville, and Dr. Roy Spencer, an ESSC principal scientist, use data gathered by advanced microwave sounding units on NOAA and NASA satellites to get accurate temperature readings for almost all regions of the Earth.

The new RSS v4 TLT record makes a number of changes to the time of observation correction, as well as corrections for the change in instruments that measure temperature from microwave sounding units (MSU) to advanced microwave sounding units (AMSU) sensors, which occurred around the year 2000.

The satellite microwave sounding units (MSU) receive radiation coming from throughout the troposphere.

So it has been for the apparent discrepancies between the Microwave Sounding Unit (MSU) lower tropospheric temperature records (MSU 2LT), radiosonde records and the climate models that try to simulate the climate of the last few decades.

In regards to Michael Jankowski's comment (# 11), the Fu et al. (2004, Nature) article showed that the satellite record of tropospheric temperature trends, based on the Microwave Sounding Unit channel 2, is contaminated by stratospheric cooling on the order of -0.08 K / decade.

Kongoli, C., et al. (2003), A new snowfall detection algorithm over land using measurements from the Advanced Microwave Sounding Unit (AMSU), Geophys.

In 1998, the first advanced microwave sounding unit (AMSU - B) was placed into operation on board the NOAA - 15 satellite.

The most reliable sets of global temperature data we have, using satellite microwave sounding units, show no appreciable temperature increases during the critical period 1978 - 1997, just when the surface station data show a pronounced rise.

In March 1990, NASA's Roy Spencer and University of Alabama - Huntsville's (UAH) John Christy dropped quite a bomb when they published the first record of lower atmospheric temperatures sensed by satellites» microwave sounding units (MSUs).

With John Christy he presents the monthly real - world data from the microwave sounding unit satellites that provide the least inaccurate global temperature record we have.

• the factors that contribute to uncertainties in the trends inferred from three categories of instrumental measurements — Microwave Sounding Units (MSU) carried aboard National Oceanic and Atmospheric Administration (NOAA) satellites, radiosondes, and surface observations;

The lower to mid-tropospheric data (right panel) are derived from satellite observations from the Microwave Sounding Unit Channel 2 (the so - called «MSU 2LT»)(Christy et al., 2000).

We examine four satellite datasets producing bulk tropospheric temperatures, based on microwave sounding units (MSUs), all updated since IPCC AR5.

Remote Sensing Systems (RSS)-- Microwave Sounding Units (MSU)-- Base Period 1979 - 1998 — Click the pic to view at source

The two satellite data sets, RSS and UAH, use the Microwave Sounding Units (MSU) of orbiting satellites to estimate lower tropospheric temperature.

The microwave sounding units (MSU) aboard the satellites don't actually measure air temperature, but rather the intensity of microwave radiation given off by oxygen molecules in the atmosphere, and the intensity of this radiation is a proxy for air temperature.

The satellite - based microwave sounding unit (MSU) temperature record provides recent estimates of temperatures over Australia, with records starting in the late - 1970s.

The focus of this paper is the middle tropospheric measurements made by the Microwave Sounding Unit (MSU) channel 2, and the Advanced Microwave Sounding Unit (AMSU) channel 5.

While the satellite dataset has its strengths, unlike thermometers and temperature probes used on weather balloons the Microwave Sounding Units were new, largely untested tools when they were put into space.