Bering Sea bloom, Kuskokwim silt

  • “The figure above depicts how much air temperatures near the Earth’s surface changed relative to the global mean temperature from 1951 to 1980. NASA researchers used maps of urban areas derived from city lights data to account for the “heat island” effect of cities.” [I’ll locate the nighttime image. Bethel is a heat island and a spot just north on the coast is also very bright.]
  • “Continued Sea Ice Decline in 2005” This graph shows the five-day mean sea ice extent for July through September for the years 2002 through 2005. All four years were below the average sea ice extent for 1979-2000 (gray line). In fact, recent sea ice extent falls below the 1979-2000 average by an area twice the size of Texas.
  • “Black Carbon in Smoke over Alaska ” third week of August 2005, moke contains many substances, including carbon dioxide, carbon monoxide, water vapor, and particulate matter. OMI measures smoke by tracking black carbon particles, or soot, that absorb ultraviolet (UV) radiation, the wavelengths of sunlight that cause sunburns. Smoke was from Interior Alaska fires.

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