Geography of BC: BC landscapes from maps and images Roger Wheate: [e-mail]

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Geography of BC BC landscapes from maps and
imagesRoger Wheate wheate_at_unbc.ca
Matterhorn, Swiss Alps Mt. Assiniboine,
southern BC Mt. Ida, northern BC
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BC Canadas most mountainous province .. and
the furthest away from Ottawa
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Mapping resources gt analogue mapsgt digital
mapsgt air photos gt satellite imagesgt map
websites
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(No Transcript)
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BC major roads
500 km
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500 km
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BC historical maps UNBC library has some,
others at http//www.bcarchives.gov.bc.ca/cartog
r/general/maps.htmhttp//www.davidrumsey.com/lun
a/servlet/view/search?qBritishColumbiasortPub_
Date,Pub_List_No,Series_No
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Canada is divided into 11,000,000 sheets,
numbered 1-117, 8 longitude x 4 longitude
1964
MAPS
11,000,000 scale corresponds to 1cm
1,000,000 cm 10,000m 10km
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11,000,000 maps are divided into (16) 1250,000
sheets (2 x 1 degree), completed 1970
1250,000 corresponds to 1 cm 2.5 km
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Kechika (northern BC) 1st edition mapped
1949 Postwar Aerial photography ground survey
UTM grid squares every 10km on a printed
1250,000 map sheet
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then into 16 x 150,000 (A-P), completed for
provinces 1990
150,000 corresponds to 1cm 0.5 km
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Prince George 93G15
1980
2000
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Topographic maps where to get them in PG

• UNBC map library complete BC collection at
  150,000 / 1250,000
• 2. Buy your own http//maps.nrcan.gc.ca/
• 3. Download a pdf or tiff scanned version
  http//geogratis.ca
• 4. View online Atlas of Canada
  http//atlas.nrcan.gc.ca/site/english/index.html
• 5. BC provincial 120,000 http//www.canadamapst
  ore.com/

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Zoom online to 150,000 map detail
http//atlas.nrcan.gc.ca/site/english/index.html
NTS map index by province             NTS sheet
listings
The National Topographic DataBase (NTDB) is the
digital equivalent of the printed maps
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3D topo maps http//www.earthdetails.com/
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Wells- Barkerville
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1944
1957
Aerial photos showing urban change in Prince
George
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Retreat of Castle Glacier Little Ice Age (LIA)
1850 to 2004
Use of historical air photos to map physical
change
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Landsat satellite image, 2010 Castle Glacier,
near McBride
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Bowron Lakes Landsat Thematic Mapper (basis of
Google Earth) . free to download since 2009
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BC online provincial mapping
http//www.lrdw.ca/
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Municipal mapping http//pgmap.princegeorge.ca/
Saanich Online Mapping System http//www.gov.saani
ch.bc.ca/resident/gis/index.html Columbia Basin
Trust http//www.sgrc.selkirk.ca/imf5_2/sites/cb
t/jsp/launch.jsp
Other BC cities see links to other maps
http//www.mapplace.ca/
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Exploring BC with Google maps
http//maps.google.ca
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Exploring BC using Google Earth
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• Printed maps have some advantages larger
  display, no equipment needed, finer details etc..
• Advantages of digital mapping
• Seamless (no map edges)
• Variable scale (zoom and pan)
• Whole province / world available onscreen (free)
• Easier to update (imagery)
• Integrated with associated technologies e.g. 3D

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Seeing BC one small piece at a time . and
blowing it up http//chaosinyourtown.com/