Monday, November 23, 2009

Weather Forecasting map


http://images.google.com/imgres?imgurl=http://www.hpc.ncep.noaa.gov/noaa/national_forecast.jpg&imgrefurl=http://www.weathermap.us/&usg=__f4bzZQ2ExWdBzHdtD_hXV3sOm6k=&h=412&w=515&sz=360&hl=en&start=2&um=1&tbnid=MLaBK8LbNQVHQM:&tbnh=105&tbnw=131&prev=/images%3Fq%3Dweather%2Bforecasting%2Bmap%26ndsp%3D18%26hl%3Den%26client%3Dsafari%26rls%3Den%26sa%3DG%26um%3D1



Weather forecasting maps are another type of special purpose map. It shows the meteorological conditions of the United States at a specific time.

Historical Map


http://images.google.com/imgres?imgurl=http://upload.wikimedia.org/wikipedia/commons/archive/8/88/20060401173342!Historical-map-of-Sicily-bjs-1.jpg&imgrefurl=http://commons.wikimedia.org/wiki/File:Historical-map-of-Sicily-bjs-1.jpg&usg=__AocykFmlKmO5CjYDoXtYqTt0zJk=&h=1309&w=1749&sz=943&hl=en&start=22&um=1&tbnid=i5K63k2OhqP7YM:&tbnh=112&tbnw=150&prev=/images%3Fq%3Dhistorical%2Bmap%26ndsp%3D18%26hl%3Den%26client%3Dsafari%26rls%3Den%26sa%3DN%26start%3D18%26um%3D1

Historical maps are a special purpose map. It shows a map from the past.


Statistic Map


http://images.google.com/imgres?imgurl=http://www.idea-envi.cz/img/mapgenerator/rain2005.png&imgrefurl=http://www.idea-envi.cz/produkty_mapgen_en.html&usg=__b9d8lddLlCYMaofKK7ua4rORkPw=&h=350&w=563&sz=40&hl=en&start=3&um=1&tbnid=6tl1WLLyC98nrM:&tbnh=83&tbnw=133&prev=/images%3Fq%3Dstatistic%2Bmap%26ndsp%3D18%26hl%3Den%26client%3Dsafari%26rls%3Den%26sa%3DG%26um%3D1



Statistical maps shows a variation in quantity of a certain factor. This particular map shows the variation of rainfall.



Cartogram


http://images.google.com/imgres?imgurl=http://www.dashboardinsight.com/CMS/0c5dbe13-68eb-4c7a-9bf4-f8fc0896d16a/US_Presidential_Election_County_Level_Cartogram_large.png&imgrefurl=http://www.dashboardinsight.com/articles/new-concepts-in-business-intelligence/maps-of-the-2008-us-presidential-election-results.aspx&usg=__wK6UWvZfvLoXrib3fYe8ebyoINM=&h=692&w=1024&sz=316&hl=en&start=7&um=1&tbnid=Gd5Wq8TykQ0biM:&tbnh=101&tbnw=150&prev=/images%3Fq%3Dcartogram%26ndsp%3D18%26hl%3Den%26client%3Dsafari%26rls%3Den%26sa%3DG%26um%3D1





A cartogram is a map that uses a thematic variable is substituted for land area. The map is distorted to portray the variable.

State Plan Coordinate System


http://images.google.com/imgres?imgurl=http://www.cdpr.ca.gov/docs/county/pumpdvlp/devgrp/prjctdta/stplane.gif&imgrefurl=http://www.cdpr.ca.gov/docs/county/pumpdvlp/devgrp/prjctdta/pres0401.htm&usg=__FF8WRc71k1qV3mo1YS3CDto3E_0=&h=384&w=576&sz=7&hl=en&start=23&um=1&tbnid=6oe08eqcxoFzaM:&tbnh=89&tbnw=134&prev=/images%3Fq%3Dstate%2Bplane%2Bcoordinate%26ndsp%3D18%26hl%3Den%26client%3Dsafari%26rls%3Den%26sa%3DN%26start%3D18%26um%3D1



Each state has a different coordinate system, this map shows California's coordinate system. State coordinate systems use feet, not meters.

PLSS


http://images.google.com/imgres?imgurl=http://gis.nwcg.gov/giss_2006/job_aids/maps_and_graphics/USA_PLSS_Meridians_map.jpg&imgrefurl=http://gis.nwcg.gov/giss_2006/cd_contents.html&usg=__6fwSrzU16-Z48U9DJZUVEjApsv8=&h=1095&w=1595&sz=812&hl=en&start=4&um=1&tbnid=kcYAKM5FpuL4SM:&tbnh=103&tbnw=150&prev=/images%3Fq%3DPLSS%26hl%3Den%26client%3Dsafari%26rls%3Den%26sa%3DG%26um%3D1



PLSS maps covers most of the United States except the 13 original colonies and Texas. Everything else is considered "unsystematic". It has 34 principal meridians and baselines.

Cadastral Map


http://images.google.com/imgres?imgurl=http://www.dalisproject.org/images/cadastral_map.jpg&imgrefurl=http://www.dalisproject.org/pages/findMapsheet.aspx&usg=__mJUU5a9Y7RlAn35NmCIr9IAHIwQ=&h=467&w=558&sz=206&hl=en&start=1&um=1&tbnid=Q6XIQv0G_aOKQM:&tbnh=111&tbnw=133&prev=/images%3Fq%3Dcadastral%2Bmap%26hl%3Den%26client%3Dsafari%26rls%3Den%26sa%3DG%26um%3D1



Cadastral maps show boundaries and land ownership. It uses the metes and bounds system.

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