The USGS Today
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which was nominated in 1994 for a "Best of the Web" award.
The USGS is the Federal Government's principal civilian mapmaking
agency, the primary source of its data on the quality and quantity
of the Nation's water resources, and the Nation's primary provider
of earth-science information on natural hazards, the environment,
and mineral and energy resources. To accomplish its mission, the
USGS:
- Conducts an expanding National program to describe the status
and trends in the quantity and quality of surface- and ground-water
resources. The USGS monitors more than 45,000 stations that
measure the amount and quality of surface- and ground-water. Of
these, about 7,300 are continuous recording streamflow stations;
3000 of these gages are an integral part of the NOAA National
Weather Service's flood forecasts system.
- Evaluates hazards associated with earthquakes, volcanoes,
floods, droughts, toxic materials, landslides, subsidence, and
other ground failures; develops methods for hazards forecasting;
and provides information to help Federal, State, and local agencies
in mitigating the effects of these natural disasters.
- Operates digital seismograph stations as part of the U.S.
National Seismic Network, supports the operation of 12 regional
seismographic networks, and manages the National Strong Motion
Network of 650 stations in 35 States. The information developed
from these networks helps provide risk estimates for earthquake-
prone regions of the Nation.
- Operates three volcano observatories and maintains mobile
monitoring equipment for responding to volcanic eruption threats
around the world.
- Assesses energy and mineral resources, provides unbiased
information about their quantity and quality, determines origin and
manner of occurrence, and develops techniques for discovery.
- Develops technology to increase efficiency and expand collection
of data for paper and digital maps to meet the needs of the public
and the private sector.
- Publishes approximately 3,000 new or updated reports and maps
every year and maintains a stock of 88,500 different maps. Some
54,000 maps are required to cover the lower 48 States at a working
scale of 1:24,000. The USGS distributed about 6.7 million maps in
1994 alone.
- Conducts and sponsors basic and applied research in geology,
hydrology, mapping, and related sciences.
- Establishes and maintains national earth-science data bases for
use by Federal, State, and local land management and regulatory
agencies; disseminates earth-science data and information; and
produces and updates geographic, cartographic, and remotely sensed
information in graphic and digital forms.
- Cooperates with more than 1,100 Federal, State, and local
agencies. These partners provide nearly $300 million annually in
direct financial support. The funds in the mapping and water co-op
programs are matched by non-Federal cooperators. In 1995, to fund
additional high-priority work they want done, cooperators will
provide an estimated $23 million over and above the dollar-for-
dollar matching requirement.
- Serves as the lead Federal coordinator for national geographic,
geologic, and water resources data, and provides other scientific
and technical assistance.
Three Recent Success Stories
Herbicides in the Midwest
Rumors circulated during the mid-1980's that ground water beneath
the fertile farmland of the Midwest might be contaminated by
herbicides. Had this been true, extensive monitoring and a ban on
many widely used agricultural chemicals would have been necessary.
A recently completed USGS assessment of water from shallow wells
under corn and soybean fields across 12 Midwestern States indicted
that the amounts of sampled herbicides in drinking water did not
exceed the EPA maximum contaminant levels. Published results of
the study have calmed unwarranted fears and will result in
substantial savings in monitoring costs for State agencies.
Similar studies on rivers demonstrated that, in many Midwestern
States, herbicides are a seasonal problem only. As a result, the
expensive treatment of water supplies and costly monitoring for
these contaminants can be greatly reduced for 8 months of the year.
Conversely, the studies show that herbicide concentrations in
reservoirs remain relatively high throughout the year. States such
as Kansas and Nebraska have used this information to target their
efforts to control herbicide use in specific high-risk watersheds.
Such comprehensive studies require long-term regional or national
investment. States, localities, and academia generally do not have
the resources to undertake such studies. Equally important,
studies done by regulatory agencies or by consultants working for
the regulated community would be met with skepticism. Impartial
assessments are necessary for reasoned approaches to water
resources development, regulation, and protection.
Volcanic Disasters Averted
The eruption at Mount Pinatubo in the Philippines could have killed
tens of thousands of people were it not for quick work by the USGS,
Philippine scientists, civil defense authorities, and the U.S.
Agency for International Development Office of Foreign Disaster
Assistance. More than 65,000 people were evacuated before the
volcanic eruption, including 14,500 American military personnel and
their dependents from nearby U.S. Clark Air Force Base. Hundreds
of millions of dollars worth of aircraft and other military
property also were saved. The USGS has monitored active volcanoes
since the early part of this century. Through its research, it has
developed and improved instruments and methods to predict
eruptions. These techniques enabled the USGS to predict the
eruption of Mount Pinatubo and avert the destruction of life and
property that could have followed.
Explosive volcanic eruptions like that of Mount Pinatubo also have
occurred in the Cascade Range of Washington, Oregon, and
California, and in a chain that stretches more than 1,000 miles
along the full length of the Aleutian Islands to Anchorage, Alaska.
Such explosive eruptions emit high-altitude volcanic ash clouds
that are a direct hazard to aircraft. For example, several
eruptions of Redoubt Volcano, southwest of Anchorage, during
1989-90, resulted in more than $100 million damage to aircraft and
additional losses due to cancellations and delays in scheduled air
traffic. To help reduce the hazard of volcanic ash to the air
transport industry, USGS scientists now use advanced geophysical
techniques to monitor the Alaskan volcanoes. USGS, NOAA's National
Weather Service, and the Federal Aviation Administration work
together to protect flights by providing information to the
aviation industry in a real-time framework. Consequently, during
the three eruptions of Alaska's Mt. Spurr volcano in 1992, air
travelers experienced no life-threatening or damaging encounters
with ash.
National Fire Danger Assessment Program
The USGS receives Earth-observation images from sensors onboard
orbiting satellites to determine vegetation conditions, or relative
"greenness," of the conterminous United States. These data are
used in the national fire danger assessment program. The USGS
sends this information electronically to the U.S. Department of
Agriculture Computing Center in Kansas City, which distributes it
nationally over computer networks to Federal and State fire
management agencies. Both Federal and State agencies use the
information to determine local fire danger conditions and, where
appropriate, issue safety advisories. Comparisons with historical
data are made to evaluate current conditions and to forecast fire
danger conditions. This additional information allows managers to
allocate regional fire fighting resources where the need is
greatest.