NASA: National Aeronautics and Space AdministrationEarth Observatory

Feature Articles Published in 2001

  1. When Land Slides (DAAC Study)
    When Land Slides (DAAC Study) December 21, 2001

    Data imaging techniques provide scientists with new tools to study and map landslides.

  2. Research Satellites for Atmospheric Science, 1978-Present
    Research Satellites for Atmospheric Science, 1978-Present December 10, 2001

    NASA and its affiliated agencies and research institutions developed a series of research satellites that have enabled scientists to test new remote sensing technologies that have advanced scientific understanding of both chemical and physical changes in the atmosphere.

  3. New Light on Ice Motion (DAAC Study)
    New Light on Ice Motion (DAAC Study) November 6, 2001

    MODIS' unprecedented high resolution reveals clues to Antarctic topography and ice history.

  4. Verner Suomi
    Verner Suomi October 30, 2001

    Using a unique combination of determination, hard work, inspiration, and those freshman physics, Suomi became known as the "father of satellite meteorology." His research and inventions have radically improved forecasting and our understanding of global weather.

  5. Hurricane Field Studies (DAAC Study)
    Hurricane Field Studies (DAAC Study) October 23, 2001

    The Third Convection and Moisture Experiment (CAMEX3) has provided forecasters with a more realistic storm picture.

  6. Clouds in the Balance (DAAC Study)
    Clouds in the Balance (DAAC Study) October 11, 2001

    In 1998, atmospheric scientists discovered a significant change in cloud vertical structure triggered by the strongest El Niño on record.

  7. Power to the People
    Power to the People October 5, 2001

    Thanks to a team at NASA's Langley Research Center (LaRC), engineers and amateur inventors worldwide now have free access to global-scale data on natural renewable energy resources. Private companies are using these data to design, build, and market new technologies for harnessing this energy. …

  8. The Carbon Cycle
    The Carbon Cycle October 2, 2001

    Carbon (C), the fourth most abundant element in the Universe, after hydrogen (H), helium (He), and oxygen (O), is the building block of life. On Earth, carbon cycles through the land, ocean, atmosphere, and the Earth's interior in a major biogeochemical cycle.

  9. A View From Above (DAAC Study)
    A View From Above (DAAC Study) September 24, 2001

    International scientists with diverse backgrounds work together to better understand movement of carbon between the Earth's forests and atmosphere.

  10. Well Grounded (DAAC Study)
    Well Grounded (DAAC Study) September 19, 2001

    A team effort allows scientists to validate and make MODIS data accessible to a wide audience.

  11. Measure for Measure (DAAC Study)
    Measure for Measure (DAAC Study) September 10, 2001

    Governments and policy makers turn to science to better understand the impacts of global sea level rise on coastal cities.

  12. Ultraviolet Radiation: How It Affects Life on Earth
    Ultraviolet Radiation: How It Affects Life on Earth September 6, 2001

    Stratospheric ozone depletion due to human activities has resulted in an increase of ultraviolet radiation on the Earth's surface. The article describes some effects on human health, aquatic ecosystems, agricultural plants and other living things, and explains how much ultraviolet radiation we are…

  13. Life on the Brink (DAAC Study)
    Life on the Brink (DAAC Study) August 28, 2001

    Data demonstrate that populations cluster--in increasingly greater numbers--near active volcanoes. Scientists theorize that while attractions offset perceived risks, such willingness to chance eruptions increases the potential for disaster.

  14. Location, Location, Location (DAAC Study)
    Location, Location, Location (DAAC Study) August 15, 2001

    Scientists review geographic factors to learn why wealth concentrates predominantly in temperate zones.

  15. A Violent Sun Affects the Earth's Ozone
    A Violent Sun Affects the Earth's Ozone August 3, 2001

    A new study confirms a long-held theory that large solar storms rain electrically charged particles down on Earth's atmosphere and deplete the upper-level ozone for weeks to months thereafter. New evidence from NASA and NOAA satellites is helping scientists better understand how man and nature both…

  16. Reverberations of the Pacific Warm Pool
    Reverberations of the Pacific Warm Pool July 24, 2001

    Over the past several decades, scientists have uncovered a number of El Nino-like climate anomalies across the globe. One of the most recent to be discovered takes place in the Indo-Pacific warm pool. This body of water, which spans the western waters of the equatorial Pacific to the eastern…

  17. In the Eyewall of the Storm (DAAC Study)
    In the Eyewall of the Storm (DAAC Study) July 17, 2001

    Scientists have sought a greater understanding of the hurricane intensification process to improve forecasting techniques and decrease the radius of coastal evacuations. A new study using CAMEX-3 hurricane data reveals the role of "hot towers" in increasing a storm's fury.

  18. John Martin
    John Martin July 10, 2001

    John Martin devoted his career to understanding the basic chemical processes that govern life in the ocean. His famous "iron hypothesis" not only changed the way in which scientists view the ocean, but also introduced a controversial method for lowering carbon dioxide emissions in the atmosphere.

  19. Astronauts Photograph Mount Pinatubo
    Astronauts Photograph Mount Pinatubo June 14, 2001

    In early 1991, Mt. Pinatubo, a volcano north of Manila on the Philippine island of Luzon, had been dormant for more than 500 years. Few geologists would have guessed that it would produce one of the world's most explosive eruptions in the twentieth century.

  20. Watching Plants Dance to the Rhythms of the Ocean
    Watching Plants Dance to the Rhythms of the Ocean June 4, 2001

    NASA scientists developed a new data set that enables them to observe the teleconnections between sea surface temperature anomalies and patterns of plant growth on a global scale.

  21. When the Dust Settles (DAAC Study)
    When the Dust Settles (DAAC Study) May 18, 2001

    African dust can both benefit and harm Caribbean coral reefs.

  22. From the Dust Bowl to the Sahel (DAAC Study)
    From the Dust Bowl to the Sahel (DAAC Study) May 18, 2001

    Severe drought and poor soil conversation practices contribute to desertification.

  23. Wernher von Braun
    Wernher von Braun May 2, 2001

    Wernher von Braun's crowning achievement, as head of NASA's Marshall Space Flight Center, was to direct the mission to land the first men on the Moon in July 1969.

  24. Amazing Atolls of the Maldives
    Amazing Atolls of the Maldives May 1, 2001

    Though scientists have been studying atolls at least since the mid-1800s, many mysteries remain about exactly how they form and what factors determine their shape. Using satellite imagery collected by Landsat 7, scientists are attempting to discern if monsoons played a role in shaping the Maldives.

  25. Biomass Burning
    Biomass Burning March 19, 2001

    Biomass burning is the burning of living and dead vegetation, including both human-initiated burning for land clearing, and burning induced by lightning and other natural sources. Researchers with the Biomass Burning Project at NASA Langley Research Center are seeking to understand the impact that…

  26. Forecasting Fury (DAAC Study)
    Forecasting Fury (DAAC Study) March 19, 2001

    Experts predict a period of elevated storm activity during the next 15 years. However, data from the SeaWinds instrument aboard NASA's QuikSCAT satellite could allow researchers to detect potential hurricanes up to two days earlier than with traditional forecasting methods.

  27. Mapping the Decline of Coral Reefs
    Mapping the Decline of Coral Reefs March 12, 2001

    Coral reefs represent some of the densest and most varied ecosystems on Earth. Over the past 50 years the health of these reefs have been declining. Using high-resolution satellite imagery, scientists are locating the reefs that are in the most trouble.

  28. Where Frogs Live (DAAC Study)
    Where Frogs Live (DAAC Study) March 5, 2001

    Researchers use remote sensing to monitor amphibian health.

  29. Astronaut Photography: Observing Earth from the International Space Station
    Astronaut Photography: Observing Earth from the International Space Station February 20, 2001

    The Destiny Laboratory aboard the International Space Station includes the best optical quality window ever flown on a human-occupied spacecraft. Through this window, astronauts are photographing the Earth’s surface as part of an early project, called Crew Earth Observations

  30. Alfred Wegener
    Alfred Wegener February 8, 2001

    Alfred Wegener proposed the theory of continental drift - the idea that the Earth's continents move over hundreds of millions of years of geologic time - long before the idea was commonly accepted.

  31. Precision Farming
    Precision Farming January 29, 2001

    The U.S. Department of Agriculture, NASA, and NOAA are among key agencies contributing to precision farming revolution. The goal is to improve farmers' profits and harvest yields while reducing the negative impacts of farming on the environment that come from over-application of chemicals.

  32. Lovely, Dark and Deep (DAAC Study)
    Lovely, Dark and Deep (DAAC Study) January 24, 2001

    Mysteries of ocean mixing yield to TOPEX/POSEIDON.

  33. New Tools for Diplomacy (DAAC Study)
    New Tools for Diplomacy (DAAC Study) January 12, 2001

    Remote sensing technology, increasingly crucial to the understanding of Earth's climate and environmental processes, now permits the monitoring of global environmental conditions and the gathering of data that were historically unavailable.