{"id":1452,"date":"2023-11-17T02:13:26","date_gmt":"2023-11-17T01:13:26","guid":{"rendered":"http:\/\/155.253.20.24\/wordpress\/?page_id=1452"},"modified":"2026-02-02T08:18:00","modified_gmt":"2026-02-02T07:18:00","slug":"colle-superiore-di-cime-bianche","status":"publish","type":"page","link":"https:\/\/www.lteritalia.it\/?page_id=1452","title":{"rendered":"Colle Superiore di Cime Bianche"},"content":{"rendered":"\n<div>  <b>DEIMS-ID: <\/b><a href=\"https:\/\/deims.org\/0cbb0b0f-7a42-424c-bb78-c68dd50b7915\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">https:\/\/deims.org\/0cbb0b0f-7a42-424c-bb78-c68dd50b7915<\/a><br>  <b>Ultimo aggiornamento in DEIMS-SDR: <\/b> 07.01.2025<br><\/div><br>  <div>        <div>      <b>Contatti: <\/b>            <a href=\"mailto:u.morradicella@arpa.vda.it\" target=\"_blank\">Umberto Morra di Cella<\/a> <a href=\"\" target=\"_blank\"><img decoding=\"async\"      src=\"\/wordpress\/wp-content\/uploads\/1024px-ORCID_iD.svg_.png\" width=\"20\"><\/a>      <br>      <b>Istituzione responsabile della gestione: <\/b>            <a href=\"\" target=\"_blank\"><\/a> <a href=\"\" target=\"_blank\"><img decoding=\"async\" src=\"\/wordpress\/wp-content\/uploads\/ROR_logo.svg_.png\" width=\"30\"><\/a>      <br>      <b>Istituzione finanziatrice: <\/b>            <a href=\"\" target=\"_blank\"><\/a> <a href=\"\" target=\"_blank\"><img decoding=\"async\" src=\"\/wordpress\/wp-content\/uploads\/ROR_logo.svg_.png\" width=\"30\"><\/a>      <br>    <\/div>      <div>    <br>    <b>Descrizione sito: <\/b>        <p style=\"text-align:justify;\">     Il sito si trova in Val d\u2019Aosta, a un\u2019altitudine di 3100 m e l\u2019area di studio \u00e8 un altopiano caratterizzato da terrazzette, convessit\u00e0 e depressioni che durante l\u2019inverno conferiscono spessore e variabilit\u00e0 spaziale al manto nevoso. In questo sito si effettua il monitoraggio del permafrost, uno strato di terreno congelato che pu\u00f2 rimanere tale anche per migliaia di anni, alle alte latitudini, oppure essere un fenomeno temporaneo, alle basse latitudini o a quote inferiori. Nelle Alpi il permafrost raggiunge il suo spessore massimo tra fine settembre e i primi di novembre. Il monitoraggio a lungo termine permette di valutare l\u2019impatto dei cambiamenti climatici sul regime termico del substrato. L\u2019attivit\u00e0 di monitoraggio \u00e8 iniziata nel 2006 e la strumentazione consiste in un pozzo profondo (41 m) e uno superficiale (6 m) situati a circa 30 m di distanza l\u2019uno dall\u2019altro. \u00c8 presente anche una stazione meteorologica automatica equipaggiata con termoigrometro, radiometro, anemometro, nivometro e pluviometro.     <\/p>        <p style=\"text-align:center;\">      <img decoding=\"async\" src=\"https:\/\/deims.org\/sites\/default\/files\/2020-06\/DJI_0309.JPG\"width=\"640\" alt=\"Cime Bianche permafrost monitoring site (Valtournenche Municipality, AO, 3.100 m asl)\" \/>    <\/p><br>        <p style=\"text-align:center;\">      <img decoding=\"async\" src=\"https:\/\/deims.org\/sites\/default\/files\/2020-06\/DJI_0312.JPG\"width=\"640\" alt=\"Cime Bianche permafrost monitoring site (Valtournenche Municipality, AO, 3.100 m asl)\" \/>    <\/p><br>        <p style=\"text-align:center;\">      <img decoding=\"async\" src=\"https:\/\/deims.org\/sites\/default\/files\/2020-06\/DJI_0348.JPG\"width=\"640\" alt=\"Cime Bianche permafrost monitoring site (Valtournenche Municipality, AO, 3.100 m asl)\" \/>    <\/p><br>        <p style=\"text-align:center;\">      <img decoding=\"async\" src=\"https:\/\/deims.org\/sites\/default\/files\/2020-06\/IT19_Cime%20Bianche_foto.JPG\"width=\"640\" alt=\"Cime Bianche permafrost monitoring site (Valtournenche Municipality, AO, 3.100 m asl)\" \/>    <\/p><br>          <\/div>  <div>    <b>Risorse correlate: <\/b><br>          <a href=\"\" target=\"_blank\">    <\/a><br>        <\/div>    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