Sentences with phrase «from radar studies»

Not exact matches

«The laser scanning data collected from selected points does give significantly more precise results than the satellite radar,» notes Christian Berger, co-author of the study and head of the research project on which Victor Odipo's doctoral thesis is based.
«IceBridge surveyed previously unexplored parts of the Greenland Ice Sheet and did it using state - of - the - art CReSIS radars,» said study co-author Mark Fahnestock, an IceBridge science team member and glaciologist from the Geophysical Institute at the University of Alaska Fairbanks (UAF - GI).
«Novel data sources from the weather surveillance radar network and the eBird citizen science database enable development of a migration phenology index that can be used to answer this question in future studies
However, the 1991 study did no more than indicate that the strong radar reflections came from the polar areas.
The team used radar data from satellites, such as the European Space Agency's now - defunct Envisat, to study ground motions in the Taupo Volcanic Zone.
«Studies conducted at the Universities of Guelph, Waterloo, and Western Ontario have demonstrated that deregulation has had an impact on the demographics of their enrolment,» according to Joel Duff, the Ontario chairperson of the CFS, such that «students from lower - income backgrounds have almost dropped off the radar screen.»
Further missions studied the Earth from above, such as one that used of a type of radar to probe below the surface — discovering ancient riverbeds beneath the Sahara Desert, for example.
The data used in the study came from radar stations in Cleveland, Ohio; Grand Rapids, Michigan; and Green Bay, Wisconsin, collected in spring 2010 - 2013.
The study used images and other data from Cassini's radar instrument, which can peer through the obscuring smog of Titan's atmosphere to reveal the surface in detail.
Such radio traffic could be readily apparent On the earth, for example, a new radar system employed with the telescope at the Arecibo Observatory for planetary studies emits a narrow - bandwidth signal that, if it were detected from another star, would be between a million and 10 billion times brighter than the sun at the same frequency.
Ocean surface height measurements are routinely made from space by radar altimeters, but this new study is the first that uses the GPS reflections.
Now only visible with satellite radar (see an image), the channels flowed intermittently from present - day Libya and Chad to the Mediterranean Sea, says Anne Osborne, a geochemist at the University of Bristol, UK, who led the new study.
The Bell et al paper in Science Express this week (final version in Science) reporting on the surprising results from airborne ground - penetrating radar studies of the Antarctic Ice Sheet is a great example.
Then a professor at Columbia University and a consultant for Bell Telephone Laboratories, Townes had transitioned from working on radar during World War II to using shorter wavelengths of light to study the energy states of molecules, a field called spectroscopy.
The study, titled «Ground - penetrating radar (GPR) detects fine roots of agricultural crops in the field,» also involved additional researchers from the Uvalde center, Texas A&M AgriLife centers in Amarillo and Weslaco, the U.S. Department of Agriculture Forest Service and the Samuel Roberts Noble Foundation in Ardmore, Oklahoma
«Lithium, long used in mental health as a highly effective mood stabiliser, has been on the radar as a potential disease modifying treatment for Alzheimer's disease with positive evidence from preclinical studies and a number of small clinical trials.
Retzlaff, R., and C.R. Bentley, Timing of stagnation of ice stream C, West Antarctica from short - pulse - radar studies of buried surface crevasses, Journal of Glaciology, Vol.
But the new study relies on plane - based radar from three flights between 2004 and 2014.
According to a study conducted by a group of scientists from the University of Virginia and published under the name of «Under the radar», indie authors alone generate over $ 14.2 billion in sales.
According to the second study, which measured changes in the thickness and height of ice using radar and laser altimetry instruments flown as part of NASA's Operation IceBridge campaign, the glacier lost between 984 and 1,607 feet in thickness from 2002 to 2009.
According to one of the studies, published in the journal Geophysical Research Letters, which used radar measurements from the European Space Agency's Sentinel - 1 satellite, Smith Glacier's «grounding line» — the boundary between the bedrock and the ocean — has been retreating at a rate of 1.24 miles per year since 1996.
This study investigates the variability of convective and stratiform rainfall from 8 yr (1998â $ «2005) of Tropical Rainfall Measuring Mission (TRMM) Precipitation Radar (PR) and TRMM Microwave Imager (TMI) measurements, focusing on seasonal diurnal variability.
A study using Earth Remote Sensing satellite radar interferometry (EERS - 1 and -2) observations from 1992 through 2011 finds «a continuous and rapid retreat of the grounding lines of Pine Island, Thwaites, Haynes, Smith, and Kohler» Glaciers, and the authors conclude that «this sector of West Antarctica is undergoing a marine ice sheet instability that will significantly contribute to sea level rise in decades to centuries to come» (Rignot et al. 2014).
The Merlin radar studies presented in the EIR are worthless, except for telling us in what season and at what time of day we can expect the highest number of casualties from collisions.
We all must remember the lesson from radar altimetry studies such as Wingham et al. 2006.
They expected to find a decline in ice thickness when they embarked on a study of radar observations of 402 lakes near Barrow in Alaska from the European earth resources satellites ERS - 1 and ERS - 2.
«The differences between sea water temperature reported in the Log of Ship's Weather Observations and specially observed sea surface temperature were studied for 6826 pairs of observations taken in the Pacific Ocean from 3 Military Sea Transport Service ships and 9 U.S. Navy Radar Picket ships during 92 different trips.
1950s: Research on military applications of radar and infrared radiation promotes advances in radiative transfer theory and measurements = > Radiation math — Studies conducted largely for military applications give accurate values of infrared absorption by gases = > CO2 greenhouse — Nuclear physicists and chemists develop Carbon - 14 analysis, useful for dating ancient climate changes = > Carbon dates, for detecting carbon from fossil fuels in the atmosphere, and for measuring the rate of ocean turnover = > CO2 greenhouse — Development of digital computers affects many fields including the calculation of radiation transfer in the atmosphere = > Radiation math, and makes it possible to model weather processes = > Models (GCMs)-- Geological studies of polar wandering help provoke Ewing - Donn model of ice ages = > Simple models — Improvements in infrared instrumentation (mainly for industrial processes) allow very precise measurements of atmospheric CO2 = > CO2 greeStudies conducted largely for military applications give accurate values of infrared absorption by gases = > CO2 greenhouse — Nuclear physicists and chemists develop Carbon - 14 analysis, useful for dating ancient climate changes = > Carbon dates, for detecting carbon from fossil fuels in the atmosphere, and for measuring the rate of ocean turnover = > CO2 greenhouse — Development of digital computers affects many fields including the calculation of radiation transfer in the atmosphere = > Radiation math, and makes it possible to model weather processes = > Models (GCMs)-- Geological studies of polar wandering help provoke Ewing - Donn model of ice ages = > Simple models — Improvements in infrared instrumentation (mainly for industrial processes) allow very precise measurements of atmospheric CO2 = > CO2 greestudies of polar wandering help provoke Ewing - Donn model of ice ages = > Simple models — Improvements in infrared instrumentation (mainly for industrial processes) allow very precise measurements of atmospheric CO2 = > CO2 greenhouse.
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