Category: Earth Science

Are there any areas on Earth with purplish-colored soil/sand/rock/land?

Asked by: Tashoomaa Foley Which soil is purple in Colour? The only purple mineral I know for sure is amethyst. Is there purple soil? Purple soil is mainly distributed in the Sichuan Basin of southwestern China and has developed from purple rocks or their rapid weathering products, thus inheriting many of the characteristics of the

How big of an issue are Nitrogen and phosphorus flows to the biosphere and oceans?

Asked by: Tashoomaa Foley How does phosphorus move through the biosphere *? Phosphorus enters the atmosphere from volcanic aerosols. As this aerosol precipitates to earth, it enters terrestrial food webs. Some of the phosphorus from terrestrial food webs dissolves in streams and lakes, and the remainder enters the soil. Another source of phosphorus is fertilizers.

Why high tides occur simultaneously on opposite sides of the Earth?

Asked by: Heather Barlow This is due to the fact that around the Moon is pulling on the Earth, and the ocean, on the sides facing the Moon. The Earth compensates for this pulling by bulging out both toward and away from the Moon. This results in more water being displaced in these directions, resulting

Soil that is dried (no pore space) weight?

Asked by: Heather Barlow Which soil has the least pore space? Clay Clay, the smallest particle, has the least amount of pore space. What is dry weight of soil? – Wet unit weight: Unit weight of the soil when the pore are fully or partially filled with water. – Dry unit weight: Unit weight of

What tools allow a quick comparison of NetCDF output from ocean models?

Asked by: Amanda Carter How do I view netCDF files? NetCDF files usually have the extension . nc. To read NetCDF files there are tools with a graphical interface like Matlab, IDL, ArcGIS, NCView, Xconv and developer (programming) tools like the Unidata NetCDF4 module for Python and Xarray. How do I extract data from netCDF?

How did natural processes as we know them develop around effects of winter?

Asked by: Amanda Carter What natural processes affect climate change? Causes of Climate Change Heat-trapping Greenhouse Gases And The Earth’s Climate. … Greenhouse Gases. … Reflectivity or Absorption of the Sun’s Energy. … Changes in the Earth’s Orbit and Rotation. … Variations in Solar Activity. … Changes in the Earth’s Reflectivity. … Volcanic Activity. What

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