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Results for “World & I”
Search indexed USGS publications on groundwater, aquifers, geologic maps, mineral resources and earthquakes. Explore source records by subject and place.
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Old world climbing fern ( Lygodium microphyllum ) spore germination in natural substrates
No abstract available
Salvinia molesta : Around the World in 70 Years
No abstract available.
Alexander von Humboldt (1769-1859): Contributions to knowledge of New World fishes
No abstract available.
On the world-wide riverine delivery of sediment-hosted contaminants
No abstract available
Field guide: Gold-copper-silver deposits of the New World District Northwest Geology
No abstract available
Climate change lessons from a warm world
In the early 1970’s to early 1980’s Soviet climatologists were making comparisons to past intervals of warmth in the geologic record and suggesting that these intervals could be possible analogs for 21st century “greenhouse” conditions. Some saw regional warming as a benefit to the Soviet Union and made comments along the lines of “Set fire to the coal mines!” These sentiments were alarming to some, and the United States Geological Survey (USGS) leadership thought they could provide a more quantitative analysis of the data the Soviets were using for the most recent of these warm intervals, the Early Pliocene.
The world landslide problem
Thousands of people may be killed by landslides each year and property damage may be in the tens of billions of dollars, but the techniques for recognizing and coping with landslides are well developed. Landslides are generally more manageable and predictable than earthquakes, volcanic eruptions, and some storms, but only a few countries have taken advantage of this knowledge to reduce landslide hazards.
Some practical approaches to world petroleum resource assessment
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World resources of crude oil, natural gas, natural bitumen, and shale oil
No abstract available.
Current state of pollutants in the world ocean
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