Geomorphology Weekly Notes 11, 12, & 13-1.htm
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> <!-- Created from PDF via Acrobat SaveAsXML --> <!-- Mapping table version: 28-February-2003 --> <HTML> <HEAD> <META name="dc.title" content="Coastal dunes usually blowout or parabolic" > <META name="dc.date" content="2009-08-14T10:43:38-04:00" > <META name="dc.date.modified" content="2009-08-14T10:43:41-04:00" > <META name="generator" content="Adobe Acrobat Exchange-Pro 7.8" > </HEAD> <BODY bgcolor=white text=black link=blue vlink=purple alink=fushia > <DIV class="Sect" ><DIV ><P align="justify" ><FONT size="+1" color="#000000"></B>Coastal dunes usually blowout or parabolic<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">(water table limites)<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Sand seas or ergs - Rub -al-kahli; (Arabian Desert)<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Loess - Loose soil - North European Plain - Germany to Russia<FONT size="+1"> </P ></DIV ><DIV ><P align="justify" ><FONT size="+1">Glaciers (peri-glacial = near glacial Europe)<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Permafrost = cryergic or cryogenic 1-2 m - seasonal thaw<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">(Shrinking in last century)<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">200m to 1600m<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Tundra - cold barren or boreal forest<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Mass wasting & qualification, wind, ice<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Freezing & frost wedging<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Chemical & biological weathering (salt)<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Frost heaving and needle ice<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Segregated ice (massive in permafrost)<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Ice wedges vs. progressive size increase<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">(Sand wedges in cold desert)<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Geliflection & frost creep (upper 2m)<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Nuration - melt h2o downhill erosion<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Fluvial Erosion - Snow melt controlled<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Permafrost limits infiltration<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">(gold in arctic) - hydrolic mining<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Eolian transport - spring winds dry dunes formed<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Landforms - Patterned ground - polygons<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Rock glaciers (sorted)<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Felsenmeer (rock fields)<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Thermokarst (Karst like caused by ice melt)<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Glaciers<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Erosian/plucking (lee vs. stoss)<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Pater noster lakes (chain of lakes)<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Fjiords, cirque, horn, (arete & horn)<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Alpine vs. continental<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Gipselfleur (series of peaks)<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Presidential Range - white mountains - NH<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Moraine - Medial, lateral, terminal (recessional)<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Drift - all deposition by glacier<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Till - Non-stratified deposited directly<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Re-working<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Esker (Ice tunnel deposition)<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Great Esker Park - Weymouth / Hingham<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Kettle - Lakes<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Valley - Boulder trains<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Kame - Stratified drift/hill<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Crevasse - Surface break<FONT size="+1"> </P ><P align="justify" ><FONT size="+1">Drumlins - Boston Harbor Islands and other locations<FONT size="+1"> </P ></DIV ><DIV ><P align="justify" ><FONT size="+1">11, 12.&13-1<FONT size="+1"> </P ></DIV ></DIV ></BODY> </HTML>
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rsadoo. (Aug 21, 2009). Geomorphology Weekly Notes 11, 12, & 13-1.htm. Retrieved Nov 06, 2014, from UMass Boston OpenCourseware Web site: http://ocw.umb.edu/environmental-earth-and-ocean-sciences/eeos-302-geomorphology/Geomorphology%20Weekly%20Notes%2011-%2012-%20-%2013-1.htm.