Sentences with phrase «change detection»

Climate models, physical understanding of the climate system and statistical tools, including formal climate change detection and attribution methods, are used to interpret observed changes where possible.
In desperation more than hope I turned to the options menu, and there found «change detection type».
More than a month before a game - changing detection of a short gamma - ray burst — a finding announced today — scientists at Oregon State University predicted such a discovery would occur.
In addition to natural change detection, the VuePod has the potential to assist in infrastructure monitoring — such as tracking how highways hold up (or slough and crack) over time and seeing the affect on buildings after severe weather or earthquakes.
Dr. Zangwill's research focuses on improving our understanding of the complex relationship between structural and functional change over time in the aging and glaucoma eye, developing computational and statistical techniques to improve glaucomatous change detection, and identifying risk factors that can predict rapidly progressing glaucoma.
Google Alerts is a content change detection and notification service, offered by the search engine company Google.
«Recent studies estimating climate sensitivity from observations can all be cast in terms of an approach that is closely related to climate change detection methods
REPORT OF THE CCl / CLIVAR EXPERT TEAM ON CLIMATE CHANGE DETECTION MONITORING AND INDICES (ETCCDMI)(ICPO No. 77)
The NSIDC DAAC provides data and information on snow, sea ice, glaciers, ice sheets, ice shelves, frozen ground, soil moisture, cryosphere, and climate interactions, in support of research in global change detection, model validation, and water resource management.
An index used in many climate change detection studies is global mean surface temperature, either as estimated from the instrumental record of the last 140 years, or from palaeo - reconstructions.
NOAA's Arctic Research Office is contributing to the IPY and to the interagency Study of Environmental Arctic Change (SEARCH) program with networks for intensive observations of the atmosphere and sea ice and by developing change detection protocols.
Kari Pohl of the Center for Environmental Science at the University of Maryland and colleagues studied these components by calculating 26 extreme climate indices defined by the Expert Team on Climate Change Detection and Indices.
My coauthor Gregory has done some interesting work on change detection, asking subjects to spot the differences between two pictures and finding some improvements in performance when people consume alcohol.
Unlocking the value of this image will require using image recognition, change detection and other technologies to solve problems in data mining and information extraction.
Understanding age - related reductions in visual working memory capacity: examining the stages of change detection.
The International Detection and Attribution Group (IDAG) is a group of specialists on climate change detection and attribution, who have been collaborating since 1995 on assessing and reducing uncertainties in the estimates of climate change, and who have made substantial contributions to the IPCC process and the US CCSP activities.
There are also global datasets of indices representing the more extreme aspects of climate called CLIMDEX, providing a list of 27 core climate extremes indices (so - called the «ETCCDI» indices, referring to the «CCl / CLIVAR / JCOMM Expert Team on Climate Change Detection and Indices»).
Since the TAR, some climate change detection and attribution studies focussed on changes in the global statistics of extremes have become available (Table TS.4).
Sea surface temperature (SST) measured from Earth Observation Satellites in considerable spatial detail and at high frequency, is increasingly required for use in the context of operational monitoring and forecasting of the ocean, for assimilation into coupled ocean - atmosphere model systems and for applications in short - term numerical weather prediction and longer term climate change detection.
Satellite radar altimetry mapping and change detection, developed in the early to mid-1990s allowed the research community to finally extract reliable quantitative information regarding the overall growth or reduction of the volume of the ice sheets.
To analyze how the height of the ice sheet was changing, Csatho and UB research professor and photogrammetrist Anton Schenk, PhD, developed a computational technique called Surface Elevation Reconstruction And Change detection to fuse together data from NASA satellite and aerial missions.
The potential benefit of additional downscaling to 800 m is evaluated using the «Climdex» set of 27 indices of extremes established by the Expert Team on Climate Change Detection and Indices (ETCCDI).
REPORT ON THE ACTIVITIES OF THE WORKING GROUP ON CLIMATE CHANGE DETECTION AND RELATED RAPPORTEURS, 1998 - 2001 (May 2001, updated from March 2001)
CLIMATE CHANGE DETECTION REPORT - REPORTS FOR CCl - XII FROM RAPPORTEURS THAT RELATE TO CLIMATE CHANGE DETECTION, July 1997
A core set of 26 indices follows the definitions recommended by the CCl / CLIVAR / JCOMM Expert Team on Climate Change Detection and Indices (ETCCDI)(Klein Tank et al. 2009).
We propose here a new statistical approach to climate change detection and attribution that is based on additive decomposition and simple hypothesis testing.
Climate change detection and attribution studies rely on historical simulations using specified combinations of forcings to quantify the contributions from greenhouse gases and other forcings to observed climate change.
The Expert Team on Climate Change Detection and Indices (ETCCDI) has formulated a standard suite of 27 climate extremes indices to quantify and better understand changes to climate extremes events, called CLIMDEX.
CLIMDEX Project The CLIMDEX project produces and provides datasets of climate extremes, using a suite of 27 climate extremes indices that were formulated by the Expert Team on Climate Change Detection and Indices.CLIMDEX provides climate researchers with easy access to datasets, detailed information about their construction, software, trend maps, time series and uncertainty estimates.
Expert Team on Climate Change Detection and Indices The joint CCI / CLIVAR / JCOMM Expert Team on Climate Change Detection and Indices develops a number of tools for National Meteorological and Hydrological Service providers, including software toolkits, documentation and other materials to guide users in both the use and calculation of climate indices, as well as guide users in data homogenization, improvement of global coverage and the assessment of climate indices.
Model - based climate change detection / attribution studies have linked increasing tropical Atlantic SSTs to increasing greenhouse gases, but proposed links between increasing greenhouse gases and hurricane PDI or frequency has been based on statistical correlations.
Using Multiple Diagnostics in Climate Change Detection to Assess Climate Model Uncertainty.
The team provides international coordination and collaboration on climate change detection and the indices relevant to climate change detection, and encourages the comparison of modelled data and observations.

Phrases with «change detection»

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