open seismic hazard analysis

http://www.opensha.org/

cool international work

places to look for cool work

http://preventionweb.net/english/professional/jobs/

http://www.devex.com/en/jobs

http://reliefweb.int/jobs

http://www.dgmarket.com

Line of Sight

http://www-spof.gsfc.nasa.gov/stargaze/Shorizon.htm

http://rudhar.com/naviga/vizho-en.htm

http://mathworld.wolfram.com/Distance.html

http://mathforum.org/library/drmath/view/66747.html

hydrology methods

Thiessen, Inverse Distance, and Spline

http://www.ce.utexas.edu/prof/maidment/ce394k/rainfall/rainfall.htm#goal

good on voronoi and lloyd relaxation

http://www-cs-students.stanford.edu/~amitp/game-programming/polygon-map-generation/