**Global Change Master Directory (GCMD)**

http://gcmd.gsfc.nasa.gov

It is a database system that stores where data are located. It is more
of a gateway to find where the information is. It is run by a metadata
system, in which when users post data they need to fill out keywords
that will allow easy search for the data. GCMD adopts the
[DIF](http://gcmd.gsfc.nasa.gov/User/difguide/difman.html) [metadata
format](http://gcmd.gsfc.nasa.gov/Aboutus/standards/index.html). This is
how the database finds information once the user enters thier search
inquiry.

In GCMD there's some curriculum in the education segment part of the
webpage. It is in the data-related services link on the main webpage. It
offers background information, classroom activities, lesson plans, and
interactive programs for education/outreach.

**Sample Curriculum Search from GCMD**

**Lesson plans (Currently 18 articles on the database):**

**A Global View of the Earth**: Education on light, remote sensing, and
biodiversity. The lesson plan provides teacher with ideas about changes
on Earth using remote sensing method.

Name: Cynthia Hamel

Phone: 301-614-6425

Service Organization URL:
[http://ltpwww.gsfc.nasa.gov/education/index.html[\
]{.underline}](http://gcmd.gsfc.nasa.gov/servlets/md/redirect.py?url=http://ltpwww.gsfc.nasa.gov/education/index.html)
Email: <Chamel@pop900.gsfc.nasa.gov>

Different Topic keywords that are available in Global Change Master
Directory (GCMD)

Listed below are some sample interest areas in each topic keyword:

**Agriculture**: Agricultural Aquatic Sciences, Agricultural Chemicals,
Agricultural Engineering, Agricultural Plant Science, Animal
Commodities, Animal Science, Feed Products, Food Science, Forest
Science, Plant Commodities, Soils.

**Atmosphere**: Aerosols, Air Quality, Altitude, Atmospheric Chemistry,
Atmospheric Electricity, Atmospheric Phenomena, Atmospheric Pressure,
Atmospheric Radiation, Atmospheric Temperature, Atmospheric Water Vapor,
Atmospheric Winds, Clouds, Precipitation

**Biosphere**: Animal Taxonomy, Aquatic Habitat, Ecological Dynamics,
Fungi, Fungi Taxonomy, Mircobiota, Mircobiota Taxonomy, Plant Taxonomy,
Terrestrial Ecosystems, Vegetation, Wetlands, Zoology

**Human Dimensions**: Attitudes/ Preferences/ Behavior, Boundaries,
Economic Resources, Environmental Impacts, Human Health, Infrastructure,
Land Use/Land Cover, Natural Hazards, Population

**Hydrosphere**: Ground Water, Snow/Ice, Surface Water, Water Quality

**Land Surface**: Erosion/Sedimentation, Geomorphology, Land
Temperature, Land Use/Land Cover, Landscape, Soils, Surface Radiative
Properties, Topography

**Oceans**: Bathymetry/Seafloor Topography, Coastal Processes, Marine
Biology, Marine Environment Monitoring, Marine Geophysics, Marine
Sediments, Marine Volcanism, Ocean Acoustics, Ocean Chemistry, Ocean
Circulation, Ocean Heat Budget, Ocean Optics, Ocean Pressure, Ocean
Temperature, Ocean Waves, Ocean Winds, Salinity/Density, Sea Ice, Sea
Surface Topography, Tides, Water Quality.

**Paleoclimate**: Ice Cover Records, Land Records, Ocean/Lake Records.

**Radiance/Imagery**: Gamma Ray, Infrared Wavelengths, Microwave,
Platform Characteristics, Radar, Radio Wave, Sensor, Characteristics,
Ultraviolet Wavelengths, Visible Wavelengths, X-Ray

**Solid** **Earth**: Geochemistry, Geodetics/Gravity, Geomagnetism,
Geomorphology, Geothermal, Natural Resources, Rocks/Minerals,
Seismology, Tectonics, Volcanoes.

**Snow** **and** **Ice**: Sea Ice, Snow/Ice

**Sun-Earth Interactions**: Ionosphere/Magnetosphere Particles, Soar
Activity.