GEOG 3B Lecture Notes - Lecture 1: Subsolar Point, Equinox, Jet Stream

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17 Oct 2016
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Positive feedback loop: encourages change to system (ex. Prime meridian at greenwich, england, uk: 0 . Projections: cylindrical: equator, planar: poles, conic: mid-latitude. Large scale map shows details up close. Active sensing: send waves and receive waves back, passive: natural (ex. Solar energy & seasons (2) & global temperature (5) Perihelion: closest to sun (jan), aphelion: farthest from sun (july) Tropics receive more concentrated insolation = longer daylight + higher solar angles. Albedo: % of insolation reflected (highest in fresh snow) Seasons caused by: revolution, rotation, tilt of axis, axial parallelism: vernal (mar) & autumnal equinox (sept): subsolar point at equator, = daylight/night, summer (june): subsolar @ cancer, longest daylight in nh, winter solstice (dec): subsolar @ Water has higher specific heat (longer to cool/heat + temp. varies less) Continental: large temp. range, marine/maritime: small temp. range. Isotherm: temp. (shifts to a south lat. in winter in nh), isobar: atmospheric pressure.

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