Saturday, September 24, 2011

Chapter 2: Geographic Patterns of the Physical Environment

Elevation
The elevation of Washington D.C. ranges from sea level at its lowest point, to 410 ft. above sea level at its highest. These areas are the majority of the shores of the Anacostia and Potomac rivers and Fort Reno, respectively.

Fort Reno
Source: http://dcist.com/2007/05/31/fort_reno_2007.php



Water Bodies
Washington D.C. contains three major natural bodies of water. The Potomac River, Anacostia River, and Rock Creek.

Potomac River
Source: http://ispythingsdc.com/wp-content/uploads/2010/04/potomac1.jpg
Climate
Washington D.C. is located in the humid subptropical (Cfa) climate region.

The District experiences four distinct seasons:

  • Winter-Cold. Highs in the low to mid 40s. Lows in the upper to low 30s
  •  Spring-Dry and sunny. Highs in the mid 50s to upper 60s. Lows in the upper 30s to upper 40s.
  •  Summer-Hot and humid. Highs in the low 80s to mid 90s. Lows in the upper 60s to mid 70s.
  •  Fall-Dry and sunny. Highs in the upper 70s to upper 50s. Lows in the low 60s to low 40s
Rainfall: Spread throughout the year, with average yearly precipitation rate of 39.5 inches.

Snowfall: Usually occurring in January and February, with average yearly snowfall of 14.7 inches.

Soil Type: Piedmont material, Coastal Plain sediment and recent alluvial sediment. (Source:http://www.sawgal.umd.edu/nrcsweb/DCsoils/index.htm)


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