Upload File

visualisation of changes in alpine glaciers in western canada roger wheate, university of northern...

  • Home
  • Documents
  • Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902
38
Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC . Sir MacDonald and Illecillewaet Glacier, 1902 (~end of Little Ice Age (LIA

Upload: sharyl-melissa-perkins

Post on 29-Jan-2016

216 views

Category:

Documents


0 download

Report

Tags:

TRANSCRIPT

Page 1: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

Visualisation of changes in alpine glaciers in western Canada

Roger Wheate, University of Northern BC

Mt. Sir MacDonald and Illecillewaet Glacier, 1902 (~end of Little Ice Age (LIA)

Page 2: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

1885

Illecillewaet Glacier, Glacier National Park

Page 3: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

2011

Page 4: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902
Page 5: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

Thompson Glacier, Axel Heiberg Island, 1965

Page 6: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

Glaciers viewed as constant in 1960s-70s

Page 7: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

1981 Columbia Icefieldelevation data are not updated: roads, glaciers from 1980; contours from 1960

Page 8: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

Western Canada

(BC / Alberta)

~15,000 glaciers

BC ~25,000 km2

Alberta: 1,000 km2

Page 9: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

Mt. Edziza

1965 yellow1982 red(from air photo mapping)

2005 white(Landsat)

accumulation area - black

Page 10: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

Robson Glacier

Page 11: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

1923 British Columbia-Alberta boundary commission map

Page 12: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

Cambrian Icefield, Coast Mountains

Page 13: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

Maligne Lake glaciers, Jasper NP

Maligne Lake area 1930-2010: total loss of 33.07 km2 (from 79.5 km2) or - 0.52% per year. Between 2000 and 2010, the rate increased to 2.23% per year

Page 14: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

Sources: map contours, stereo photography, spaceborne DEMs: e.g. SRTM, ASTER GDEM

Current changes ~ -5m/year

Sources: maps, air photos, satellite images

Current changes ~ -20m/year

Thinning Retreat

Page 15: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

Techniques for showing elevation change (DEM subtraction: Haeberli and Paul, 2009)

Page 16: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

Hoodoo Mountain area: Landsat TM 2010

Page 17: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

Hoodoo Glacier: extents 1965 to 2005 (overlain on Landsat TM 2010)

1965, 1982 from aerial photos, 1999 and 2005 from Landsat

Page 18: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

NTDB 1965: DEM from contours; geogratis.ca

Page 19: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

BC ‘TRIM’ mapping 1982: digital stereophotography; geobase.ca

Page 20: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

Shuttle Radar Topography Mission (SRTM) 1999 (spaceborne)

Page 21: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

ASTER GDEM 2000 – 2008 (~2004) multiple images

Page 22: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

DEM Difference Image: NTDB (1965) – ASTER (2004)

Page 23: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

NTDB 1965

Salmon Glacier area

Alaska / BC

Page 24: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

BC TRIM 1985

Page 25: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

SRTM 1999

Page 26: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

ASTER 2004

Page 27: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

230

0

DEM subtractionNTDB – ASTER

0-230m (unclassed)

Page 28: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

Final map product

Page 29: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

Severnaya Zemlya: Glacier changes 1980-2000s dib.joanneum.at/smaragd

Page 30: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

Severnaya Zemlya: Glacier changes in 1980-2000s

Page 31: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

Landsat image, Zermatt 01/09/2010downloaded 03/09/2010 – geotiff (free Landsat archive: glovis.usgs.gov)

GlobGlacier workshop, Zermatt 01/09/2010

Page 32: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

December 1989

Page 33: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

January 2010

Page 34: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

Feb 2006

Page 35: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

April 2004

Page 36: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

June 2006

Page 37: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

August 2005

Page 38: Visualisation of changes in alpine glaciers in western Canada Roger Wheate, University of Northern BC Mt. Sir MacDonald and Illecillewaet Glacier, 1902

Final slide

* Visualisation images to be displayed at: glacierchange.org (public input website run by Ph.D student Matt Beedle)

* New millennium global glacier extents: glims.org/RGI/randolph.html

Acknowledgements

Thanks to reviewers comments

Selected images by :Anastasia Gurov, Ulrike Schinke, Jacob Trultzch (Dresden TU)Sabrina Marx, Marlene Baumgart (Bonn, Heidelberg)


Glaciers By Dylan & Tony. Overview Describe how Glaciers form. Show Types of glaciers. explain how glaciers Move. Something about snow. Snowline Snowfield

AALASKALASKA’SS GLACIERS GLACIERS · 2018. 3. 12. · aalaskalaska’ss glaciers glaciers iinside passagenside passage aand thend the juuneauneau ♦ trracyacy arrmm ♦ siitkatka

102 Glaciers

Journal of Glaciology A general theory of glacier surges · and tidewater glaciers, cirque glaciers, valley glaciers and ice streams, and on glaciers with temperate or polythermal

8.3 Glaciers Types of glaciers Alpine Small glaciers that form valleys Ice sheets Enormous glaciers that can cover entire continents

Glaciers of North America— GLACIERS OF CANADA fields, outlet glaciers, and valley glaciers CONTENTS III Introduction----- J1 F IGURE 1. Geographic locations of the currently glacierized

Chapter 5: Glaciers and Deserts I. Glaciers and Glaciation

Mt. Sir MacDonald and Illecillewaet Glacier, 1902 (~end of Little Ice Age (LIA)

Glaciers of North America— GLACIERS OF CANADA

Glaciers of North America— GLACIERS OF CANADA...Glaciers of North America— GLACIERS OF CANADA GLACIERS OF THE ARCTIC ISLANDS ELLESMERE ISLAND ICE SHELVES AND ICE ISLANDS By MARTIN

Glaciers (teach)

Les glaciers

Glaciers & Streams Part 2 Mr. King. How Glaciers Move Mountain Side

AALASKALASKA’SS GLACIERS GLACIERS - · PDF fileaalaskalaska’ss glaciers glaciers iinside passagenside passage aand thend the juuneauneau ♦ trracyacy arrmm ♦ siitkatka ♦ wrrangellangell

Glacier mapping of the Illecillewaet ice® eld, British

GLACIERS - Valmar

Glaciers How are Glaciers and Long Island related?

Glaciers. I. Origin of Glaciers A.Definition 1.Originates on land

Glaciers of the Middle East and Africa - Glaciers of Africa. U.S

8.3 Glaciers

Glaciers Melting

Glaciers Glaciologie Morphologie et dynamique des glaciers alpins

Glaciers & glaciation Types of glaciers How do glaciers move? Glacial landforms Causes of glaciation

Climate Glaciers

Erosion & Glaciers

Landsat-based inventory of glaciers in western … · Landsat-based inventory of glaciers in western Canada, 1985–2005 Tobias Bolch⁎, Brian Menounos, Roger Wheate Natural Resources

7.1 GLACIERS

Glaciers and Glaciation Page 27. GLACIERS- Rivers of Ice A large mass of moving ice and snow Types of glaciers Types of glaciers a. ______________ glaciers

Glaciers of North America— GLACIERS OF CANADA · GLACIERS OF NORTH AMERICA— GLACIERS OF CANADA GLACIERS OF THE ARCTIC ISLANDS ELLESMERE ISLAND ICE SHELVES AND ICE ISLANDS By MARTIN

Glaciers Glaciers, Ice Ages - WOU Homepagebrownk/ES106/ES106.2008.0603.Glaciers.6.pdf · Glaciers, Ice Ages Glaciers Earth Science Chapter 6 p. 154-159, ... • Lowering sea level

Exposé sur les glaciers 1 Les glaciers dans le monde

glaciers keynote

The rate of erosion is greatest near the margins of glaciers, and is greater in temperate glaciers than in polar glaciers. Cold-based glaciers, however,

Glaciers of North America— GLACIERS OF THE - USGS · PDF fileGlaciers of North America— GLACIERS OF THE CONTERMINOUS UNITED STATES GLACIERS OF THE WESTERN UNITED STATES By ROBERT

Glaciers - Features