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Visitors to this site can read and view satellite imagery about the most recent La Nina event, which produced less-than-normal snowfalls in Western North America. A TOPEX/Poseidon image of the Pacific ocean illustrates the warmer water and higher-than-normal sea surface height in the Western Pacific which are characteristic of a La Nina event. A discussion of the uncertainties of long-range climate ... Full description.
Grade level: Middle (6-8), High (9-12), College (13-14)
Resource type: Visualization - scientific, Journal article
Subject: Atmospheric science, Climatology
 
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Approximately one-third of the Earth's land surface is desert, arid land with meager rainfall that supports only sparse vegetation and a limited population of people and animals. Deserts are also fragile environments. The misuse of these lands is a serious and growing problem in parts of our world. This web page, produced by the U.S. Geological Survey, describes how deserts are defined and classified. ... Full description.
Grade level: High (9-12)
Resource type: Ref. material
Subject: Climatology, Environmental science
 
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The deserts of the world today are not the deserts of the planet's past. Fossilized hippopotamus and elephant bones tell us that the Sahara, for instance, was a much moister and more hospitable environment 8,000 years ago than it is now. Each of the Earth's modern deserts are a consequence of one of the following mechanisms: air mass subsidence, rain shadows, distant moisture sources, or cold offshore ... Full description.
Grade level: High (9-12)
Resource type: Illustration - scientific, Ref. material
Subject: Atmospheric science, Climatology
 
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This is a news article on the International Conference on Atmospheric Electricity that was held in 1999. The article describes the use of wide-band interferometers (radio recievers) to construct three-dimensional maps of lightning within a storm. It also features links to other lightning-related sites. Full description.
Grade level: College (13-14), College (15-16), Graduate / Professional
Resource type: Journal article
Subject: Atmospheric science, Climatology
 
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This document discusses the mission of ICESat, the benchmark Earth Observing System satellite intended to measure ice sheet mass balance, cloud and aerosol heights, topography, and vegetative cover. Questions of particular interest to the mission include: is sea level is rising?; are the Greenland and Antarctic ice sheets growing or shrinking?; are ice sheets are capable of causing large, rapid changes ... Full description.
Grade level: High (9-12), College (13-14), College (15-16)
Resource type: Imagery - remotely sensed, Ref. material, Remotely sensed dataset
Subject: Climatology, Physical geography, Physical oceanography
 
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Users of this resource may direct questions about global change to staff members at the U.S. Global Change Research Information Office (GCIRO). An archive of previous questions and answers is provided, along with links to other global change sites. Full description.
Grade level: Middle (6-8), High (9-12)
Resource type: Ask an expert
Subject: Atmospheric science, Climatology, Environmental science
 
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This is the homepage of the U.S. Global Research Program (USGCRP), an initiative to support research on the interactions of natural and human-induced changes in the global environment and their implications for society. Visitors can study overviews of the topics of greatest interest to the USGCRP, which include atmospheric composition, climatic variability and change, global cycles for carbon and ... Full description.
Grade level: High (9-12), College (13-14), College (15-16)
Resource type: Government portal
Subject: Climatology, Ecology, Environmental science, Policy issues
 
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This article explains how the TOPEX/Poseidon satellite has been used to track large-scale ocean waves called Rossby waves. This new data indicates that the waves may move faster than previously thought, which may have implications for global weather forecasting. Links to related sites are provided. Full description.
Grade level: High (9-12)
Resource type: Ref. material
Subject: Climatology, Physical oceanography, Space science
 
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This resource presents basic information about how the TOPEX/Poseidon satellite works, what factors affect ocean topography and how ocean circulation affects the Earth's climate. Remote imagery, diagrams, and links to related topics are included. Full description.
Grade level: High (9-12)
Resource type: Ref. material
Subject: Climatology, Physical oceanography, Space science
 
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Students can learn basic information about El Nino from this description, which makes use of data from the TOPEX/Poseidon mission. Links to related topics are included. Full description.
Grade level: High (9-12), College (13-14), College (15-16)
Resource type: Imagery - remotely sensed, Ref. material
Subject: Climatology, Physical oceanography, Space science
 
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Results 11 - 20 of 39 <<  1 2 3 4  >>