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Users can study an introduction to hydrologic techniques, questions, and processes. An extensive glossary of terms from the entire field of surface-water hydrology is included. References and a list of links to specific topics are also included. Full description.
Grade level: High (9-12), College (13-14)
Resource type: Glossary, Ref. material
Subject: Hydrology
 
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Soil is the biologically active, structured porous medium that has developed below the continental land surface on our planet. This textbook covers all of the aspects of Soil Science at an introductory level and emphasizes the role of the pedosphere in Earth Systems Science. This preview version presents the complete text of some chapters and abridged text for others. Ordering information for the ... Full description.
Grade level: High (9-12), College (13-14)
Resource type: Book - text
Subject: Soil science
 
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Studies of the chronology of martian meteorites can distinguish various events in the history of the meteorites and give ground truth to Martian geology. This article discusses the use of radiogenic isotope dating to distinguish impact ages, establish exposure ages, define ejection times of meteorites from Mars, and establish terrestrial ages, which begin with the arrival of the meteorites on Earth. ... Full description.
Grade level: College (13-14), College (15-16)
Resource type: Imagery - remotely sensed, Ref. material
Subject: Geochemistry, Geology, Space science
 
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This site consists of a digital total sediment thickness map and database for the world's oceans and marginal seas. The data are derived from previously published maps, ocean drilling results (Ocean Drilling Program and Deep Sea Drilling Project), and seismic reflection profiles (National Geophysical Data Center archives and Geological/Geophysical Atlas of the Pacific). Features include a JPEG image ... Full description.
Grade level: College (13-14), College (15-16)
Resource type: Map, In-situ dataset
Subject: Geology, Geophysics, Structural geology
 
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This site Presents a MODIS (Moderate-resolution Imaging Spectroradiometer) image of the Gulf Stream. The image is color-coded to show the variation in temperature of the ocean water. A brief description of the Gulf Stream, its direction and speed, and a link to other related imagery are included. Full description.
Grade level: High (9-12), College (13-14)
Resource type: Imagery - remotely sensed, Ref. material
Subject: Atmospheric science, Physical oceanography
 
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Most satellite instruments look only straight down, or toward the edge of the planet. To fully understand Earth's climate, and to determine how it may be changing, we need to know the amount of sunlight that is scattered in different directions under natural conditions. The Multi-angle Imaging SpectroRadiometer (MISR) is a new type of instrument, which is designed to address this issue. It views Earth ... Full description.
Grade level: High (9-12), College (13-14)
Resource type: Presentation / Demo, Imagery - remotely sensed, Ref. material
Subject: Atmospheric science, Space science
 
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The "Global Conveyer Belt" shows how the oceans move energy from the tropics to the poles and back again in order to moderate Earth's climate. This is accomplished through long-term ocean circulation. This on-line tutorial about ocean circulation features text, pictures, and satellite imagery with links to topics such as ocean heat transport, the coriolis effect, hills and valleys in the ocean, measurement ... Full description.
Grade level: High (9-12), College (13-14)
Resource type: Illustration - scientific, Imagery - remotely sensed, Ref. material
Subject: Atmospheric science, Physical oceanography
 
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This site explains how temperature, pressure, and salinity work together to determine the density of ocean water. The three density layers of the ocean are described by means of text description and a graphic illustration. Full description.
Grade level: High (9-12), College (13-14)
Resource type: Illustration - scientific, Ref. material
Subject: Chemical oceanography, Physical oceanography
 
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This graphic illustration and accompanying text description show the distribution and relative proportions of water in the form of solid, liquid, and gas in Earth's lakes, rivers, oceans, polar ice, atmosphere, soil, and groundwater. Full description.
Grade level: College (13-14), College (15-16)
Resource type: Illustration - scientific, Ref. material
Subject: Atmospheric science, Hydrology, Physical oceanography
 
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This illustration of Earth's sea surface temperature was obtained from two weeks of infrared observations by the Advanced Very High Resolution Radiometer (AVHRR), an instrument on board NOAA-7, during July 1984. Temperatures are color coded with red being warmest and decreasing through oranges, yellows, greens, and blues. The caption provides a brief description of the features seen in the image. Full description.
Grade level: Middle (6-8), High (9-12), College (13-14)
Resource type: Imagery - remotely sensed, Ref. material
Subject: Physical oceanography, Space science
 
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Results 31 - 40 of 150 <<  1 2 3 4 5 6 7 8  >>