Sentences with phrase «field data measurements»

The paper is based on an analysis of global methane emissions examining almost 20,000 field data measurements collected from 70 sites across Arctic, temperate and tropical regions.

Not exact matches

Those data are proprietary, however, and the measurements can not be scaled up to the level of an entire oil and gas field.
When Gubbins aligned his historical data with current measurements from more than 200 magnetic observatories scattered across the globe, he came to a clear, if unsettling, conclusion: In the last 140 years, the magnetic field has been fading at an accelerating rate.
«Despite having an enhanced number of field measurements, the geographical coverage of TRY is still limited with little or no data for much of the tropics, large swaths of Central Asia, Russia, South Asia and much of the Arctic,» said co-lead author Abhi Datta, formerly a PhD student in the Division of Biostatistics at UMN.
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.
«Gravity glasses offer a view of the Earth's interior: Data grid for GOCE gravity field measurements sheds new light on the Earth's structure.»
«First measurements taken of South Africa's Iron Age magnetic field history: Ancient ritualistic village burnings opened the door to data collection.»
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.
AMPERE took a major step toward real - time measurements in August when Boeing created a new data pathway for transferring AMPERE magnetic field samples from Iridium's satellites at a rate of every two to 20 seconds.
Analyzing sensor data and field measurements, Cohen and his students have found new clues for the algal abundance, such as declining concentrations of dissolved oxygen and the role of snails in keeping springs clear.
«For example, when we move a sample through a time - dependent magnetic field, we can determine the system's susceptibility towards the magnetic field through the measurement data and thereby detect and quantify internal entanglement,» explains Hauke.
One hindrance to real - world studies of entire dune fields is the amount of time required to acquire sufficient data: it often takes several decades to compile thorough measurements.
Diving deeper into the complex puzzle of mass strandings, the team decided to expand their analysis and include additional oceanographic and atmospheric data sets from NASA's Earth science missions, including Terra, the Sea - viewing Wide Field - of - view Sensor — or SeaWIFS, for short — and Global Precipitation Measurement, as well as the National Oceanic and Atmospheric Administration's Geostationary Operational Environmental Satellite, or GOES, mission.
«This model allows us to do just that and lets us say that, for example, this expert is worth collecting 35 data points from samples in the field, which is a much more objective measurement
Based on field observations, seismic shaking data, GPS measurements, and radar imagery from satellites, Hamling and his colleagues found that surface ruptures in the New Zealand quake were widely separated — in one case by more than 15 kilometers.
Bolton says that data, coupled with measurements of the planet's gravity field, differing from projections points toward a planet whose interior has more complexity and motion than anyone would have expected.
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.
Kate also played a key leadership role in both the experiments and the manipulation of the data sets in a program of neutron and x-ray diffraction measurements in very high, pulsed magnetic fields.
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.
Data collection methods are standardized across sites and include in situ instrument measurements, field sampling, and airborne remote sensing.
A combination of integral field spectroscopy data from Keck Observatory and Gemini Observatory was the key to obtaining measurements for a galaxy's spin.
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.
The study brought together data from several spacecraft, as well as supporting observations from solar wind probes and ground - based geomagnetic observatories, to develop a model that describes the Earth's magnetic field and its interaction with the solar wind not just theoretically as had been the case previously, but based on actual measurements.
In this lesson, students will learn the constructs of, and good habits for, field journals, taking what they've learned in the past about time, species, measurements, and location, and recording all that data in written form.
The team, which Marc led and provided the logistical support for, deployed from Resolute to Nord Greenland before setting up a rustic field camp on the sea ice for six days, during which time we mechanically drilled the ice to measure thickness, measuring snow depth in a grid pattern along the flight lines as well as dragging instruments along the surface that produced the same measurements for comparison to the airborne data.
The researchers used field measurements to calibrate LiDAR (Light Detection And Ranging) satellite models - highly accurate, high - resolution elevation data from airborne sources.
FMI is conducting important research related to climate change, weather prediction and hydrological modeling, where high quality field measurements are still needed beside models and satellite data.
To conduct the research, a team of scientists led by John Fasullo of the US National Center for Atmospheric Research in Boulder, Colorado, combined data from three sources: NASA's GRACE satellites, which make detailed measurements of Earth's gravitational field, enabling scientists to monitor changes in the mass of continents; the Argo global array of 3,000 free - drifting floats, which measure the temperature and salinity of the upper layers of the oceans; and satellite - based altimeters that are continuously calibrated against a network of tide gauges.
The information derives in part from paleoclimate data, the record of how climate changed in the past, as well as from measurements being made now by satellites and in the field.
Typical reconstructions of historic heliospheric magnetic field (HMF) BHMF are based on the analysis of the sunspot activity, geomagnetic data or on measurement of cosmogenic isotopes stored in terrestrial reservoirs like trees (14C) and ice cores (10Be).
As a 20 yr in the field operational meteorologist with an extreme interest in surface temperature measurement who follows your site closely and consider myself well read on the subject, may I say thankyou for your hard work and determination, whatever the data may show.
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.
The modeling was based on a comprehensive empirical data combining field measurements and aerial imaginary.
This timeframe took advantage of the data collected by a series of field campaigns managed by the U.S. Department of Energy's (DOE's) Atmospheric Radiation Measurement (ARM) Climate Research Facility.
Continuous measurements from these fixed sites are supplemented with data from field research campaigns in underexplored climate regimes around the globe.
The researchers then evaluated the model results against those field campaign measurements, data from satellites, and ground - based observations.
The main assumption is that the majority of the measurements are «good» data, which for field sites operated with care, such as those of the Atmospheric Radiation Measurement (ARM) Facility, is a reasonable assumption.
sea was converted to land and agriculture, heather fields to forests and since 1.5 century industrialization, increased population and transport... The local offset (~ 40 ppmv in Giessen, SW Germany) can be calibrated away by comparing the stomata data to direct measurements and ice cores in the previous century, but nobody knows the influence of land use changes in the main wind directions and of changes in the main wind directions themselves (MWP - LIA) in the course of the centuries.
The group used field observations of the burned watershed, spatially explicit data on watershed characteristics, historic rainfall and runoff measurements, and accepted modeling techniques to estimate post-fire changes in hydrologic and sedimentary processes in the Mission Creek watershed.
Translating across discipline - specific vocabularies was essential to understanding mismatches in estimates of methane emissions from permafrost based on field measurements and on atmospheric data.
«Comparisons of global steric height trends based on different gridded fields of Argo in situ measurements show a range of 0 — 1mm / yr which can be lead back to data handling and climatology uncertainties.
ARM focuses on obtaining continuous measurements — supplemented by field campaigns — and providing data products that promote the advancement of climate models.
Such field measurements are sparse, however, and the record of remotely sensed ocean color observations — the chief source of global biogeochemical data today — is limited to the sea surface and does not include a number of key variables.
The Court confirmed that the concept includes «data concerning the medium to long - term consequences of those emissions on the environment, in particular information relating to residues in the environment following application of the product in question, and studies on the measurement of the substance's drift during that application, whether those data come from studies performed entirely or in part in the field or from laboratory or translocation studies» (case C - 442 / 14, paragraph 96).
Resume examples in the field highlight duties such as drafting survey notes, conducting on - field survey, keeping track of measurements, collecting samples for lab tests, performing calculations, doing data entry work, and implementing established procedures.
Work with field surveillance team members to standardize data input, data extraction and measurement for benchmarking purposes.
In states all over the country, traditional practitioners are attempting to 1) encourage legislators or regulators to enact minimum - service requirements for brokers, 2) require the use of exclusive right - to - sell listing agreements in order for listings to be included in the IDX data feed, 3) selectively limit access to listing information through the use of NAR's current VOW policy, 4) add a limited - service data field in the MLS to allow salespeople to eliminate limited - service brokers» listings from their search, and 5) require a visual inspection or in - person measurement of properties by salespeople.
The field campaign to collect data on gases and particles in the atmosphere began on June 1 and continues through July 15, and will include ground - and air - based air - quality measurements.
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