Sentences with phrase «used field measurements»

The researchers used field measurements to calibrate LiDAR (Light Detection And Ranging) satellite models - highly accurate, high - resolution elevation data from airborne sources.

Do the models use field measurements to verify assumptions regarding heat transfer between air and ocean?

Not exact matches

Alongside field work the team, which included scientists from the WHRC and Boston University, used 12 years of satellite imagery, field measurements and laser remote sensing technology as part of its method.

We'll use our onboard instruments to provide the critical field context that future scientists would need to understand the measurements made back on Earth.»

Thanks to Swarm's precise measurements along with those from Champ — a mission that ended in 2010 after measuring Earth's gravity and magnetic fields for more than 10 years — scientists have not only been able to find the magnetic field generated by ocean tides but, remarkably, they have used this new information to image the electrical nature of Earth's upper mantle 250 km below the ocean floor.

Scientists use models of Earth's structure and measurements of Earth's magnetic field taken at USGS observatories (https://geomag.usgs.gov/monitoring/observatories/) to determine which sections of the electrical grid might lose power during a geomagnetic storm.

«An atom interferometer uses the quantum «wave - like» nature of atoms in order to make very precise measurements of accelerations, rotations, and gravitational fields»

More than 500 seismologists and geologists worked for 6 years, using satellite measurements, field surveys, historical records of earthquakes, and geologic evidence of ancient ground motions to document the hazards for all land areas on Earth, says the project's director, Domenico Giardini of the Swiss Seismological Service in Zürich.

In a just - published paper, astronomers used a sample of 40,000 galaxies in the COSMOS field, a large and contiguous patch of sky with deep enough data to look at galaxies very far away, and with accurate distance measurements to individual galaxies.

Geophysicists will be able to answer these questions in the future using gravity field measurements from ESA's GOCE gravity satellite.

Capture of all the transmitted electrons allows quantitative measurement of materials properties, such as internal electric and magnetic fields, which are important for use of the materials in memory and electronics applications.

The experiment makes precise measurements of the curvature of particle tracks in the detector's magnetic field and of the particles» time of flight, and uses this information to determine the mass - to - charge ratios for the nuclei and antinuclei.

Liska's study, which was funded through a three - year, $ 500,000 grant from the U.S. Department of Energy, used carbon dioxide measurements taken from 2001 to 2010 to validate a soil carbon model that was built using data from 36 field studies across North America, Europe, Africa and Asia.

The measuring spheres are not only ideal for microbiological culture and process development in the laboratory, but could also be used in drug production, environmental measurement or screening in the field of medicine.

Uinta had 4,300 oil and 6,900 gas wells in operation, and Helmig used a 20 - foot - diameter balloon to hoist his measurement apparatus to 200 yards over the fields.

They are mainly found in depth image cameras as they are used, for instance, as video game controllers or for range measurements in the automotive field.

And Hall probes can be used to measure very small and slow fluctuations in a magnetic field, down to a hundredth of a gauss (the unit of measurement for magnetic field strength, named for mathematician Carl Friedrich Gauss).

Atomic clocks of the previous generation, with significantly lower precision, are currently being used in applications including satellite navigation systems, high - capacity wireless networks (wi - fi), ensuring the security of bank communications, and also taking measurements of the Earth's gravitational field, yielding insight into its internal geological structure.

Geoid measurements use satellite readings of Earth's gravitational field, but they are limited to a resolution of about 400 kilometres.

Now, using gravitometers and magnetometers, which measure fluctuations in gravity and magnetic fields, as well as deep - earth measurements from seismometers embedded in the ice, Bell is closing in on answers.

And that's why a group of scientists set out to better estimate how much methane is escaping in the U.S. To do that, they surveyed more than 200 sets of field measurements and scientific papers from the past 20 years to learn whether increasing use of natural gas could prove a climate boon or bane.

Using measurements of methanol (CH3OH) in space to investigate magnetic fields was suggested many decades ago.

Historically, measurements of our solar system's gravity created by our sun have been used to try and detect the fifth force, but that has proven difficult because its gravitational field is relatively weak.

Key features of this innovative technology are that it (1) learns more and more about the stability of the patient's glaucoma with every measurement of eye pressure or visual field, (2) can be personalized to identify the optimal frequency of testing for each individual patient, and (3) would suggest an eye pressure level specific for that particular patient that the care provider would use in the process of recommending treatment.

The Aerosol Modeling Testbed toolkit developed at PNNL was used to evaluate WRF - Chem predictions against field measurements.

Field data used in the study were obtained with the support from the U.S. Department of Energy Atmospheric Radiation Measurement (ARM) Climate Research Facility, a DOE national user facility; the DOE Atmospheric Sciences Program; the National Research Council of Canada; and Environment Canada.

The team used planar measurements to probe the developing flow field.

PNNL researchers will use it to make measurements and gain understanding never before possible in fields such as synthesis of materials and biomedical studies.

The radio stations are used to reconstruct the electric field emitted by cosmic particle induced air showers which gives, e.g., a precise measurement of the energy contained in the electromagnetic shower.

Taking models of galaxies from the Hubble Space Telescope Ultra Deep Field (HUDF) and applying a correction for the HUDF point spread function we generate lensed simulations of deep, opti... ▽ More We present a simulation analysis of weak gravitational lensing flexion and shear measurement using shapelet decomposition, and identify differences between flexion and shear measurement noise in deep survey data.

Also, atmospheric measurements of the amounts of methane released by permafrost (a top - down approach) are far less than estimates of these amounts made using point - based field assessments and ecosystem modeling (bottom - up approaches).

He was also the principal investigator for the Evaluation of Routine Atmospheric Sounding Measurements using Unmanned Systems (ERASMUS) field campaign in 2015 and 2016.

Methods: The Aerosol Modeling Testbed consists of the chemistry version of the Weather Research and Forecasting model (WRF - Chem) that simulates meteorology, chemistry, and aerosol interactions, a series of testbed cases that use U.S. Department of Energy field campaign measurements, and a suite of tools.

«Revealing photosynthetic regulatory paradigms using natural variations and massive field measurements»

We make use of measurements of dEBs in the c... ▽ More The open clusters in the Kepler and CoRoT fields potentially provide tight constraints for tests of stellar models and observational methods because they allow a combination of complementary methods.

He has now updated his research using data from previous studies that relied on satellite and aircraft measurements of emissions above oil and gas fields.

At PBE2018 David M. Kramer will give a talk on: «Revealing photosynthetic regulatory paradigms using natural variations and massive field measurements»

She uses a variety of lab and field techniques, including behavioural experiments, spectrophotometry, theoretical visual modelling, and colour pattern measurements.

When a molecule or compound with an unpaired electron is placed in a strong magnetic field, the spin of the unpaired electron can align in two Another dating method using electron spin resonance (ESR)-- also known as electron paramagnetic resonance (EPR)-- is based on the measurement of

Sea Lion Island shelter a small, localized population of elephant seals, that we are studying in great detail by marking almost all breeding individuals every season, by spending a large amount of time in the field doing behavioural observations, and by using a mixture of different techniques to gather accurate measurements of different aspects of individual phenotype of males and females.

Methods such as accurate water measurement and soil moisture monitoring, laser - leveling fields, using conservation tillage to retain soil moisture, switching to low energy precision application sprinklers, lining canals, and employing subsurface drip irrigation where possible could save upwards of 40 percent of agriculture's water use while improving crop yields and saving energy.

The Chair of Land - Climate interactions investigates the role of land surface processes in the climate system using global (COSMOS) and regional (COSMO - CLM) climate models, land surface models (CLM, TerraLM), diagnostic estimates, ground and satellite observations, and field measurements.

«We will also incorporate empirical measurements of carbon stock change attributed to deforestation and degradation using a combination of remote sensing and field surveys,» said Gaveau.

But researchers report in Science journal that, using satellite imagery and field measurements, they analysed the carbon density of living, woody vegetation across tropical Africa, America and Asia for the decade between 2003 and 2014.

MUW: With the aim of understanding the relation between climate and glacier dynamics, we analyse glacier changes from 1958 to 2011 and meteorological observations from 1992 to 2011, in Sagarmatha (Mt. Everest) National Park, using satellite imagery, maps and insitu field measurements.

Direct field measurements of N2O emissions are prohibitively costly, and the use of default values can not capture variation in emissions associated with weather conditions and site - specific factors.

All of the field measurements used amplitude or spatial «modulation techniques» for this required distinction.

Cloud physics is quite complex, so we need to make use of a number of empirical relationships that are established from field or laboratory measurements.

Where the nature of the study precludes direct replication by experiment, as in the case of time - dependent field measurements, it is important that the requirements include access to all the original raw data and its provenance, together with the criteria used for, and effects of, any subsequent selections, omissions or adjustments.

We have completed field measurements of each of the 35 glaciers below and use the aerial photographs to present a broad view that is lost when taking a picture of the glacier from the ground.