We compared the present - day simulations with near -
global observations from the Measurements of Pollution in the Troposphere (MOPITT) instrument flown on NASA's Terra satellite and with local surface measurements.
Not exact matches
His entire speech hinged on the simple
observation that the addition of carbon to the atmosphere was effectively a worldwide subsidy that had contributed to
global warming and prevented humanity
from freeing itself
from the fossil - fuel era.
Karyn Twaronite,
global diversity and inclusiveness officer at consulting and accounting firm EY, told Bloomberg that she had received hundreds of emails
from employees «raising concerns, thoughts and
observations» and «areas of angst,» but also noted she was «hopeful, because there's so much dialogue.»
But completing the
global picture will require many types of
observation, including those
from instruments on Earth, he adds.
This
global biological recordbased on daily
observations of ocean algae and land plants
from NASAs Sea - viewing Wide Field - of - View Sensor (SeaWiFS) missionwill enable scientists to study the fate of atmospheric carbon, terrestrial plant productivity and the health of the oceans food web.
«In contrast to the long tradition of field guides authored by expert natural historians, Map of Life draws on collective wisdom, amalgamating
global data sets of species
observations from published sources and using a series of modeling techniques to convert them into species range maps,» Goldsmith wrote.
Observations are continuing to monitor variability in the production rate, and to determine the
global gas production rate, as a function of its distance
from the sun.
Using
global climate models and NASA satellite
observations of Earth's energy budget
from the last 15 years, the study finds that a warming Earth is able to restore its temperature equilibrium through complex and seemingly paradoxical changes in the atmosphere and the way radiative heat is transported.
For the study, Mahony and co-author Alex Cannon
from Environment and Climate Change Canada looked at historical
observations going back to 1901 and
global climate model projections to the year 2100.
The team made
observations at many different wavelengths, optimised for different features and cloud layers in Jupiter's atmosphere, to create the first
global spectral maps of Jupiter taken
from Earth.
The surface of Europa is derived
from a
global surface map generated
from combined NASA Voyager and Galileo space probe
observations.
Images
from NASA's Galileo probe a few years ago, coupled with previous
observations, suggest that Europa's ice - covered surface may conceal a
global, liquid ocean tens of kilometers deep.
The EC is «also discussing
global monitoring for environmental security» and with the Commission recognising its importance for policy work, «what we're seeing is that earth
observation is beginning to move
from being an experimental science to being an operational one.»
Researchers have already tested the method using
observations from GOSAT and the
Global Ozone Monitoring Experiment 2 (GOME - 2) instrument aboard the European meteorological satellite MetOp - A — with surprising results.
«However, it is the bringing together of
observations by ecologists, theory
from biologists, physics
from land surface modellers and climate science in the
global modeling, that is revolutionary.»
The model is supported by
observations from satellites, ground - based networks that measure ozone - depleting chemicals in the real world, and by
observations from two decades of NASA aircraft field campaigns, including the most recent Airborne Tropical Tropopause Experiment (ATTREX) in 2013 and the Atmospheric Tomography (ATom)
global atmospheric survey, which has made three deployments since 2016.
Despite these restrictions: the
global data sets (presented in Fig. 5), which may be subject to artefacts
from having values in regions with no
observations, and HadSST3 provided consistent
global trends in MHW properties (Supplementary Fig. 10).
As a consequence, their results are strongly influenced by the low increase in observed warming during the past decade (about 0.05 °C / decade in the 1998 — 2012 period compared to about 0.12 °C / decade
from 1951 to 2012, see IPCC 2013), and therewith possibly also by the incomplete coverage of
global temperature
observations (Cowtan and Way 2013).
The basic fact that rising concentrations of greenhouse gases result in
global warming has been understood since it was predicted
from physical laws over a century ago; specification of the magnitude and geographical distribution of the warming are elucidated by the twentieth century
observations and calculations.
a,
Global annual average (July to June) net TOA flux
from CERES
observations and 0 — 700 and 0 — 1,800 m ocean heating rates
from PMEL / JPL / JIMAR.
However, comparison of the
global, annual mean time series of near - surface temperature (approximately 0 to 5 m depth)
from this analysis and the corresponding SST series based on a subset of the International Comprehensive Ocean - Atmosphere Data Set (ICOADS) database (approximately 134 million SST
observations; Smith and Reynolds, 2003 and additional data) shows a high correlation (r = 0.96) for the period 1955 to 2005.
Michel and colleagues took advantage of the wealth of geophysical data that have been collected in this region, using a catalog of earthquakes that have occurred in the area and models of the fault slip rate inferred
from surface deformation given by
Global Positioning System (GPS) and satellite
observations of ground changes.
«New
observations from many different sources confirm that ice - sheet loss is accelerating,» the United States
Global Change Research Program said in its comprehensive special report on climate science.
Miller, S. M., et al. (2016), A multiyear estimate of methane fluxes in Alaska
from CARVE atmospheric
observations,
Global Biogeochem.
Mars equatorial mesospheric clouds:
Global occurrence and physical properties
from Mars
Global Surveyor Thermal Emission Spectrometer and Mars Orbiter Camera limb
observations R. T. Clancy, M. J. Wolff, B. A. Whitney, B. A. Cantor, and M. D. Smith Journal of Geophysical Research 112, E04004, doi: 10.1029 / 2006JE002805, 19 April 2007.
Previous
observations from Earth and
from Mars orbit have detected a
global distribution of seasonally - fluctuating quantities of methane - a factor that is surprising as the gas is short - lived and only has two realistic production mechanisms, one of which is through metabolising microbes.
Scientists are using airborne
observations of atmospheric trace gases, aerosols, and cloud properties
from the North Slopes of Alaska to improve their understanding of
global climate, with the goal of reducing the uncertainty in
global and regional climate simulations and projections.
A large ensemble of Earth system model simulations, constrained by geological and historical
observations of past climate change, demonstrates our self ‐ adjusting mitigation approach for a range of climate stabilization targets ranging
from 1.5 to 4.5 °C, and generates AMP scenarios up to year 2300 for surface warming, carbon emissions, atmospheric CO2,
global mean sea level, and surface ocean acidification.
The Fourth Assessment Report finds that «Warming of the climate system is unequivocal, as is now evident
from observations of increases in
global average air and ocean temperatures, widespread melting of snow and ice, and rising mean sea level.
The clubs will be run in partnership with Alaska 4 - H, the
Global Learning and
Observations to Benefit the Environment program and faculty
from UAF's School of Education and Department of English.
Researchers
from the French National Center for Scientific Research (CNRS), the Côte d'Azur Observatory and elsewhere used
observations made by the Solar and Heliospheric Observatory's (SOHO)
Global Oscillations at Low Frequency (GOLF) instrument to measure solar oscillations, then used a new technique to determine the speed at which the solar core was spinning.
It's a long paper with a long title: «Ice melt, sea level rise and superstorms: evidence
from paleoclimate data, climate modeling, and modern
observations that 2 oC
global warming could be dangerous».
«Ice melt, sea level rise and superstorms: evidence
from paleoclimate data, climate modeling, and modern
observations that 2o C
global warming could be dangerous»
The full title is: «Ice melt, sea level rise and superstorms: evidence
from paleoclimate data, climate modeling, and modern
observations that 2 o C
global warming could be dangerous ``.
Working with Tom Chase, a colleague at the institute, the researchers were comparing climate simulations
from the Community Land Model — part of a select group of
global models used in the Intergovernmental Panel on Climate Change's 2007 climate change report — against
observations.
The
Global Learning and
Observations to Benefit the Environment (GLOBE) program is NASA's hands - on science program that allows classrooms to connect with scientists and science students
from around the world.
It is worth quoting
from this idiosyncratic piece by Judith Benhamou - Huet about the ascendancy of Hauser + Wirth and Zwirner galleries because it somewhat echoes and confirms the
observation made by others that in today's
global art world, these two veteran galleries have begun to eclipse (if that's even the appropriate word) Gagosian in the art world's imagination as the most - discussed art enterprises.
From his observations of the global art scene, he draws four notable trends that emerge from the «net effects» of complex communication within the art world: an East - West cultural retrenchment, Asian growth, the resurgence of the super-wealthy and the lingering incubation of new technolog
From his
observations of the
global art scene, he draws four notable trends that emerge
from the «net effects» of complex communication within the art world: an East - West cultural retrenchment, Asian growth, the resurgence of the super-wealthy and the lingering incubation of new technolog
from the «net effects» of complex communication within the art world: an East - West cultural retrenchment, Asian growth, the resurgence of the super-wealthy and the lingering incubation of new technologies.
Here we evaluate projections of
global warming
from almost 30 years ago using the
observations made during the past half century.
The compilation of a hemispheric or
global land surface data time series
from irregularly distributed (in time and space) historical thermometer
observations can never be «correct» in an absolute sense.
If we didn't know about the CO2 - climate connection
from physics, then no
observation of a warming trend, however accurate, would by itself tell us that anthropogenic
global warming is «real,» or (more importantly) that it is going to persist and probably increase.
308 no. 5724 pp. 1010 - 1014 DOI: 10.1126 / science.1106644 http://www.sciencemag.org/content/308/5724/1010.short Report Assessing Methane Emissions
from Global Space - Borne
Observations
Global warming deniers * pull similar dirty tricks with the comparison of global temperature with model projections — for example, by plotting only the tropical mid-troposphere, and by comparing observations with the projections of scenarios which are furthest from re
Global warming deniers * pull similar dirty tricks with the comparison of
global temperature with model projections — for example, by plotting only the tropical mid-troposphere, and by comparing observations with the projections of scenarios which are furthest from re
global temperature with model projections — for example, by plotting only the tropical mid-troposphere, and by comparing
observations with the projections of scenarios which are furthest
from reality.
You can also account for possible errors in the amplitudes of the external forcing and the model response by scaling the signal patterns to best match the
observations without influencing the attribution
from fingerprinting methods, and this provides a more robust framework for attributing signals than simply looking at the time history of
global temperature in models and obs and seeing if they match up or not.
However, there is considerable disagreement between the
global CH4 budgets derived
from these
observations and those derived
from atmospheric, or top ‐ down, approaches (Table 1).
On July 23, I wrote about the rocky rollout, prior to peer review, of «Ice Melt, Sea Level Rise and Superstorms: Evidence
from Paleoclimate Data, Climate Modeling, and Modern
Observations that 2 °C
Global Warming is Highly Dangerous.»
Lawrence Cathles at Cornell said he had confidence that more
observation,
from direct measurements to
global tracking of methane concentrations, would allow gas development to proceed while limiting climate impacts.
«In summary, newly available
observations from both space - borne and surface - based platforms allow a better quantification of the
Global Energy Budget, even though notable uncertainties remain, particularly in the estimation of the non-radiative surface energy balance components.»
Summary for Policymakers Chapter 1: Introduction Chapter 2:
Observations: Atmosphere and Surface Chapter 3:
Observations: Ocean Chapter 4:
Observations: Cryosphere Chapter 5: Information
from Paleoclimate Archives Chapter 6: Carbon and Other Biogeochemical Cycles Chapter 7: Clouds and Aerosols Chapter 8: Anthropogenic and Natural Radiative Forcing Chapter 8 Supplement Chapter 9: Evaluation of Climate Models Chapter 10: Detection and Attribution of Climate Change:
from Global to Regional Chapter 11: Near - term Climate Change: Projections and Predictability Chapter 12: Long - term Climate Change: Projections, Commitments and Irreversibility Chapter 13: Sea Level Change Chapter 14: Climate Phenomena and their Relevance for Future Regional Climate Change Chapter 14 Supplement Technical Summary
Thus, given the height and value of the emission temperature, we can get a simple estimate for the surface temperature: 255K + 5.5 km * 6K / km = 288K (= 15oC; close to the
global mean estimated
from observations given by NCDC of ~ 14oC).