Climate

Solstice and equinox

• High sun• Insolation zones• Climate zones

Insolation zonesInsolation zones

• Polar• Arctic/Antarctic• Mid-Latitude• Subtropical• Equatorial

Koeppen Climate Classification

• Af - Equatorial Rainforest• Aw - Tropical Wet and Dry• BW - Desert

•BSh - Semi-Desert• C - Mid-Latitude• D - Coninental

Mid-Latitude Meteorology

• Clashing Air Masses

• Tropical and Polar/Arctic

• Continental and Maritime

Tropical Meteorology

• Sub-Tropical High Pressure• ITCZ - Intertropical Convergence Zone• High sun -rainy season• Low sun - dry season• Mid latitude weather - moves west to

east• Tropical weather - east to wset -

northeast trades

Lower Rio Grande Valley Geology

• Depth of sediments

• Isostatic subsidence

• Tectonic system

• Hydrologic system

• Fluvial and eolian deposits