| Glaciar Norte | |
|---|---|
 Popocatépetl in June 2006 | |
| Type | Mountain glacier |
| Location | Popocatépetl, in the Mexican State of Puebla |
| Coordinates | 19°01′45″N 98°37′23″W / 19.02917°N 98.62306°W[1] |
| Area | 0.0 km2 (0 sq mi)[1] |
| Length | 0 m (0 ft)[1] |
| Status | Retreating |
Glaciar Norte was a glacier located on the volcanic peak of Popocatépetl in the Mexican State of Puebla.[1] In 1964, the glacier was estimated to be 600 metres (2,000 ft) long and cover 0.2 square kilometres (0.077 sq mi) on the north side of Popocatépetl. Glaciar Norte is connected to Glaciar del Ventorrillo, which lies to the west.[1] In a study published in 2006, all the glaciers atop Popocatépetl had essentially disappeared due to increased volcanic activity.[2] In the 1990s, the glaciers greatly decreased in size, partly due to warmer temperatures but largely due to increased volcanic activity.[3] By early 2001, Popocatepetl's glaciers had become extinct; ice remained on the volcano, but no longer displayed the characteristic features of glaciers such as crevasses.[4][5][6]
Retreating
- Glacier retreating
-
1908-1915: View of the ice cap seen from the Paso de Cortés, note the great extension.
-
March 1981: View of the ice cap seen from the same location, note the retreat of the cap, the crevasses, fracture zones and cracks on the glaciers.
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June 2006: View of the glaciers, the glacial retreat is evident.
-
December 2014 View of the glacier seen from one of the slopes of Iztaccihuatl, the black coloration of the glaciers and the snow is caused by the constant fumaroles of the volcano previous months.
See also
References
- ^ a b c d e White, Sidney E. (2001). "Glaciers of Mexico" (PDF). Glaciers of North America. United States Geological Survey. Retrieved August 1, 2013. Coordinates estimated from Figure 8.
{{cite web}}: CS1 maint: postscript (link) - ^ Huggel, C., Delgado, H. (2000). "Glacier monitoring at Popocatépetl Volcano, México: glacier shrinkage and possible causes" (PDF). In Hegg, C., Vonder Muehll, D. (ed.). Beiträge zur Geomorphologie.- Proceedings Fachtagung der Schweizerischen Geomorphologischen Gesellschaft, 8-10 July 1999. Bramois, WSL Birmensdorf. pp. 97–106. Retrieved 2012-04-17.
{{cite book}}: CS1 maint: multiple names: authors list (link) - ^ Granados HD (1997). "The glaciers of Popocatépetl volcano (Mexico): Changes and causes". Quaternary International. 43–44: 53–60. Bibcode:1997QuInt..43...53G. doi:10.1016/S1040-6182(97)00020-7. Retrieved 2012-04-17.
- ^ Delgado Granados H, Miranda PJ, Huggel C, Ortega del Valle S, Alatorre Ibargüengoitia MA (2007). "Chronicle of a death foretold: Extinction of the small-size tropical glaciers of Popocatépetl volcano (Mexico)". Global and Planetary Change. 56 (1–2): 13–22. Bibcode:2007GPC....56...13D. doi:10.1016/j.gloplacha.2006.07.010.
- ^ Huggel C, Schneider D, Julio Miranda P, Granados HD, Kääb A (2008). "Evaluation of ASTER and SRTM DEM data for lahar modeling: A case study on lahars from Popocatépetl Volcano, Mexico" (PDF). Journal of Volcanology and Geothermal Research. 170 (1–2): 99–110. Bibcode:2008JVGR..170...99H. doi:10.1016/j.jvolgeores.2007.09.005. S2CID 51845260. Archived from the original (PDF) on 2012-10-29. Retrieved 2012-04-17.
- ^ Julio-Miranda P, Delgado-Granados H, Huggel C, Kääb A (2008). "Impact of the eruptive activity on glacier evolution at Popocatépetl Volcano (México) during 1994–2004". Journal of Volcanology and Geothermal Research. 170 (1–2): 86–98. Bibcode:2008JVGR..170...86J. CiteSeerX 10.1.1.536.4620. doi:10.1016/j.jvolgeores.2007.09.011.
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This page was last edited on 22 July 2023, at 01:58