Sentences with phrase «satellite data since»

We've only had satellite data since the late 1960s - early 1970s.

Dr. Parkinson said that her examination of satellite data since the 1970's revealed that the Arctic ice cover had been retreating on an average of one - quarter of a percent a year.

[8] This was virtually identical to the statement found in the ISPM [ISPM v. 1 2.1 b] and echoed the summary statement: «Globally - averaged measurements of atmospheric temperatures from satellite data since 1979 show an increase of 0.04 °C to 0.20 °C per decade over this period» [ISPM v. 1 ES].

Actually, there is a ton of data out there (esp satellite data since the 1980's); the challenge is getting it into a form that is useful in terms of evaluating the models.

I'll let others review the temperature data starting in the mid-1800s on the surface and including satellite data since 1979.

I combined these with NSIDC satellite data since 1979 to form a continuous time series from 1870 to the present.

In addition to the surface data described above, measurements of temperature above the surface have been made with weather balloons, with reasonable coverage over land since 1958, and from satellite data since 1979.

«I don't see the catastrophic effects from warming that others predict,» said John Christy, a professor at the University of Alabama in Huntsville who says satellite data since 1979 shows temperatures rising fastest at the surface.

U.S. satellite data since 1979 has revealed that the troposphere — the weather - bearing layer of our atmosphere that extends more than seven miles up — warmed the most, by roughly 1.5 degrees Fahrenheit, in the middle latitudes.

In the new study, the researchers searched for such events recorded in sea surface temperature data recorded as far back as 1900 and in satellite data since 1982.

Not exact matches

Spencer analyzed 90 climate models against surface temperature and satellite temperature data, and found that more than 95 percent of the models «have over-forecast the warming trend since 1979, whether we use their own surface temperature dataset (HadCRUT4), or our satellite dataset of lower tropospheric temperatures (UAH).»

Across the entirety of the Arctic Ocean, it's disappearing at an eye - popping rate of 13 % per decade since satellite data was available.

Virendra Tiwari from the National Geophysical Research Institute in Hyderabad, India, and colleagues used gravity data from the GRACE satellite to monitor the loss of continental mass around the world since 2002.

The last seven years witnessed the seven lowest minimum extents since satellite observations began in 1979, and there was last a record high with Arctic ice cover two decades ago, according to federal data.

That's what researchers from the Space Telescope Science Institute (STScI) in Baltimore expected to find when they combined data on 458 GRBs discovered by satellites since 2007, a painstaking chore that no one had undertaken before, says Melissa Nysewander, a former STScI astronomer and a co-author of the study submitted for publication to The Astrophysical Journal.

Since early 2006, SHRP has been working with partner organizations to collect high - resolution satellite imagery and develop other data to document or understand human rights violations.

The scientists, led by Eric Oliver of Dalhousie University in Canada, investigated long - term heat wave trends using a combination of satellite data collected since the 1980s and direct ocean temperature measurements collected throughout the 21st century to construct a nearly 100 - year record of marine heat wave frequency and duration around the world.

Using data from earth - observing satellites and high - resolution climate models, the authors found a consistent decrease in summer cloud cover since 1995.

Tim Lenton at the University of Exeter has carried out a day - by - day assessment of Arctic ice - cover data collected since satellite observation began in 1979.

The SEISS sensors have been collecting data continuously since January 8, 2017, with an amplitude, energy and time resolution that is greater than earlier generations of NOAA's geostationary satellites.

The data come from two different microwave sensors, the first aboard the Nimbus 7 satellite, which flew from 1978 to 1987, and the second from the Defense Meteorological Satellite Programme, which has flown since 1987.

In 2012, CI scientists repeatedly observed this peculiar situation, and in 2015 opportunistically deployed the world's first fin - mounted archival satellite tags on wild whale sharks prior to their release — resulting in a wealth of movement data which has since helped to inform the management and conservation of the species in Indonesia.

This past September the National Snow and Ice Data Center in Boulder, Colo., which collects polar and ice information for the government, announced that there was less sea ice covering the Arctic Ocean than at any time since satellite measurements began in 1979.

Satellites from NASA and other agencies have been tracking sea ice changes since 1979, and the data show that Arctic sea ice has been shrinking at an average rate of about 20,500 square miles (53,100 square kilometers) per year over the 1979 - 2015 period.

Even NASA's gravity - sensing GRACE satellites, which have provided stunning ice mass data since their launch in 2002, are nearing the end of their planned life.

According to a NASA analysis of satellite data, the 2015 Arctic sea ice minimum extent is the fourth lowest on record since observations from space began.

This year, sea ice in the Arctic reached its smallest maximum extent since satellites began tracking polar ice patterns, according to the National Snow and Ice Data Center, while scientists have also forecast ice - free Arctic summers in two to three decades (ClimateWire, July 16, 2013).

Using data from 10 satellites, Christopher M. Cox of Raytheon Information Technology and Scientific Services (ITSS) and Benjamin F. Cho of the NASA Goddard Space Flight Center determined that the gravitational forces near the equator have grown since 1998.

To help refine their models, many researchers look to data from weather satellites collected since the 1980s.

SABER has been collecting data on nitric oxide in the atmosphere since its launch in 2001, following on the heels of another nitric oxide - measuring satellite known as the Student Nitric Oxide Explorer (SNOE).

A: The National Snow and Ice Data Center (NSIDC) announced this week that the sea ice surrounding Antarctica reached its maximum extent — its widest halo around the continent — in 2014 on 22 September: more than 20 million square kilometers, which also set a record for the highest extent of sea ice around the continent since satellite measurements began in the late 1970s.

Scientists can calculate snow accumulation from satellite data, but satellite records have only existed since 1979.

My main problem with that study is that the weather models don't use any forcings at all — no changes in ozone, CO2, volcanos, aerosols, solar etc. — and so while some of the effects of the forcings might be captured (since the weather models assimilate satellite data etc.), there is no reason to think that they get all of the signal — particularly for near surface effects (tropospheric ozone for instance).

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).

And for decades since, images and data from satellites, Mars rovers, space telescopes and deep space probes bring the universe down to Earth.

They compared existing National Oceanic and Atmospheric Administration (NOAA) records of upper - ocean temperatures in coastal waters for each U.S. ocean coastline with records of actual sea level changes from 1955 to 2012, and data from U.S. / European satellite altimeter missions since 1992.

«Data collected by satellites and balloon - borne instruments since 1979 indicate little if any warming of the low - to mid - troposphere — the atmospheric layer extending up to about 5 miles from the Earth's surface.

A new paper published in the Journal of Climate reveals that the lower part of the Earth's atmosphere has warmed much faster since 1979 than scientists relying on satellite data had previously thought.

published in the Journal of Climate reveals that the lower part of the Earth's atmosphere has warmed much faster since 1979 than scientists relying on satellite data had previously thought.

According to the latest global satellite data courtesy of the University of Alabama in Huntsville and made into an easy to read graph by algorelied.com: «For the record, this month's Al Gore / «An Inconvenient Truth» Index indicates that global temperatures have plunged approximately.74 °F -LRB-.39 °C) since Gore's film was released,» noted algorelied.com.

However the temperature signal is a splice of weather balloon data (RATPAC - A) to the end of 1979 followed by satellite data (UAH TLT) since 1980.

31 May 2013 AGU Release No. 13 - 24 WASHINGTON, DC — Scientists have long suspected that a flourishing of green foliage around the globe, observed since the early 1980s in satellite data, springs at least in part from the increasing concentration of carbon dioxide in Earth's atmosphere.

The red line at the end (not included in the paper) illustrates the further global increase since 2000 by 5 - 6 cm from satellite data.

There is evidence in satellite and radiosonde data and in observational data for poleward expansion of the tropical circulation by as much as a few degrees of latitude since the 1970s [34]--[35], but natural variability may have contributed to that expansion [36].

Second, that hypothesis is not supported by NOAA's satellite - era sea surface temperature data or by NOAA's ocean heat content data since 1955.»

«Data collected by satellites and balloon - borne instruments since 1979 indicate little if any warming of the low - to mid - troposphere — the atmospheric layer extending up to about 5 miles from the Earth's surface.

And since we don't have good ocean heat content data, nor any satellite observations, or any measurements of stratospheric temperatures to help distinguish potential errors in the forcing from internal variability, it is inevitable that there will be more uncertainty in the attribution for that period than for more recently.

According to the recent report by the Intergovernmental Panel on Climate Change satellite data show that there are very likely to have been decreases of about 10 % in the extent of snow cover since the late 1960s.

The graph displayed by Cox is inconsistent with the satellite data, where in all cases 2015 is cooler than 1998, and there are no record years since then — though 2010 comes close.

In a second step, we apply the method to reconstructing 2 - D sea level data over 1950 — 2003, combining sparse tide gauge records available since 1950, with EOF spatial patterns from different sources: (1) thermosteric sea level grids over 1955 — 2003, (2) sea level grids from Topex / Poseidon satellite altimetry over 1993 — 2003, and (3) dynamic height grids from the SODA reanalysis over 1958 — 2001.