{"id":1279,"date":"2025-07-10T10:29:51","date_gmt":"2025-07-10T10:29:51","guid":{"rendered":"https:\/\/icewalk.it\/blockgletscher\/"},"modified":"2026-01-28T15:31:49","modified_gmt":"2026-01-28T15:31:49","slug":"blockgletscher","status":"publish","type":"page","link":"https:\/\/icewalk.it\/de\/blockgletscher\/","title":{"rendered":"Blockgletscher"},"content":{"rendered":"

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Hier! Auf dem Blockgletscher
der Rossb\u00e4nke<\/h1>\n

 <\/p>\n

Die Rossb\u00e4nke<\/b><\/span><\/h3>\n

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Der Rossb\u00e4nke-Blockgletscher<\/b> z\u00e4hlt zu den gr\u00f6\u00dften in S\u00fcdtirol und bietet einzigartige Einblicke in Aufbau und Dynamik dieser Naturph\u00e4nomene.<\/span><\/p>\n

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Um herauszufinden, was sich unter den Schuttmassen <\/span>an der Oberfl\u00e4che verbirgt, nutzen Wissenschaftler Georadarmessungen<\/b> und seismische Untersuchungen oder f\u00fchren Bohrungen durch. Auf diese Weise konnte das vertikale Profil des Rossb\u00e4nke-Blockgletschers rekonstruiert werden: In den ersten Metern finden sich gro\u00dfe, kantige Bl\u00f6cke mit gro\u00dfen Hohlr\u00e4umen. Ab einer Tiefe von \u00fcber 10 Metern wird das Material feiner und ist mit Eis vermischt. Unterhalb von 35-40 Metern liegt die Bodentemperatur aufgrund der Erdw\u00e4rme teilweise \u00fcber dem Gefrierpunkt, was zu Wasseraustritten f\u00fchrt und einige Quellen speist.<\/span><\/p>\n

[\/et_pb_text][\/et_pb_column][et_pb_column type=“1_2″ _builder_version=“4.27.3″ _module_preset=“default“ global_colors_info=“{}“][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=“1_2,1_2″ _builder_version=“4.27.4″ _module_preset=“default“ width_tablet=“100%“ width_phone=“100%“ width_last_edited=“on|tablet“ custom_padding=“2px|20px|9px|20px|false|false“ global_colors_info=“{}“][et_pb_column type=“1_2″ _builder_version=“4.27.3″ _module_preset=“default“ global_colors_info=“{}“][et_pb_image src=“https:\/\/icewalk.it\/wp-content\/uploads\/2025\/07\/04a-Eiskern-Blockgletscher-aus-der-Bohrung.jpg“ title_text=“04a Eiskern Blockgletscher aus der Bohrung“ _builder_version=“4.27.4″ _module_preset=“default“ background_enable_image=“off“ custom_margin=“||11px|||“ custom_padding=“||||false|false“ global_colors_info=“{}“][\/et_pb_image][\/et_pb_column][et_pb_column type=“1_2″ _builder_version=“4.27.3″ _module_preset=“default“ global_colors_info=“{}“][et_pb_image src=“https:\/\/icewalk.it\/wp-content\/uploads\/2025\/07\/05a-Bewegungs-und-Temperaturmessungen-Rossb\u201enk-1_mittels-Inklinometer-und-Thermometer-im-Bohrloch.jpg“ title_text=“05a Bewegungs- und Temperaturmessungen Rossb\u201enk 1_mittels Inklinometer und Thermometer im Bohrloch“ _builder_version=“4.27.4″ _module_preset=“default“ global_colors_info=“{}“][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=“1_2,1_2″ _builder_version=“4.27.3″ _module_preset=“default“ width=“100%“ custom_padding=“|20px|53px|20px|false|false“ global_colors_info=“{}“][et_pb_column type=“1_2″ _builder_version=“4.27.3″ _module_preset=“default“ global_colors_info=“{}“][et_pb_image src=“https:\/\/icewalk.it\/wp-content\/uploads\/2025\/10\/grafici16_de-scaled.jpg“ title_text=“grafici16_de“ _builder_version=“4.27.4″ _module_preset=“default“ width=“94.6%“ module_alignment=“center“ global_colors_info=“{}“][\/et_pb_image][\/et_pb_column][et_pb_column type=“1_2″ _builder_version=“4.27.3″ _module_preset=“default“ global_colors_info=“{}“][et_pb_text _builder_version=“4.27.4″ _module_preset=“default“ text_text_color=“gcid-f5853230-0d63-4130-b142-81b2b38bf01b“ header_4_font=“|700|||||||“ header_4_text_color=“gcid-f5853230-0d63-4130-b142-81b2b38bf01b“ custom_padding=“|5%|||false|false“ global_colors_info=“{%22gcid-f5853230-0d63-4130-b142-81b2b38bf01b%22:%91%22text_text_color%22,%22header_4_text_color%22%93}“]<\/p>\n

Blockgletscher reagieren bis in eine Tiefe von 5\u20138 Metern empfindlich auf Temperaturschwankungen. Dieser Bereich wird als \u201eactive layer\u201c<\/b> bezeichnet: Hier kommt es durch Frost-Tau-Wechsel zu Felsst\u00fcrzen, Rutschungen und pl\u00f6tzlichen Wasseraustritten. In gr\u00f6\u00dferen Tiefen liegt der stabile Permafrost<\/b>, dessen Temperaturen konstant unter null bleiben.<\/span><\/p>\n

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Die Auswirkungen <\/b><\/span>des Klimawandels <\/b><\/span>sind un\u00fcbersehbar: In den letzten zehn Jahren hat sich die Flie\u00dfgeschwindigkeit des Rossb\u00e4nke-Blockgletschers deutlich erh\u00f6ht, w\u00e4hrend sich seine Oberfl\u00e4che durch das Ausschmelzen des Eises <\/b><\/span>um fast<\/b><\/span> zwei Meter abgesenkt hat. Selbst der Wanderweg, der ihn quert, muss Jahr f\u00fcr Jahr ausgebessert werden.<\/b><\/span><\/h3>\n

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Messungen der Bewegung des Rossb\u00e4nke-Blockgletscher<\/span><\/p>\n

[\/et_pb_text][et_pb_image src=“https:\/\/icewalk.it\/wp-content\/uploads\/2025\/07\/06-Bewegungsmessungen-Rossb\u201enk.jpg“ title_text=“06 Bewegungsmessungen Rossb\u201enk“ force_fullwidth=“on“ _builder_version=“4.27.4″ _module_preset=“default“ global_colors_info=“{}“][\/et_pb_image][et_pb_text _builder_version=“4.27.4″ _module_preset=“default“ hover_enabled=“0″ global_colors_info=“{}“ sticky_enabled=“0″]<\/p>\n

Legende <\/b><\/p>\n

Gelb<\/span>\u00a0<\/span>v<\/em>\u00a0<\/span>\u2264 20 cm\/Jahr
<\/span>Orange<\/span> 20 cm\/Jahr<\/span> <\u00a0<\/span>v<\/em>\u00a0<\/span>\u2264 30 cm\/Jahr
<\/span>Rot<\/span> \u00a0<\/span><\/span>v<\/em>\u00a0<\/span>> 30 cm\/Jahr<\/span><\/p>\n

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Messungen mit Georadar<\/p>\n

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