Suretta Sud Glacier - Servizio Glaciologico Lombardo
Suretta Sud Glacier - Servizio Glaciologico Lombardo
Suretta Sud Glacier - Servizio Glaciologico Lombardo
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mass balance<br />
DETAILS OF THE METEOROLOGICAL STATIONS<br />
Sils/Maria<br />
(Alta Engadina, Cantone dei Grigioni - Svizzera)<br />
Quota: 1798 m/slm<br />
Coordinate: 46° 26’ N / 09° 46’ E<br />
Esposizione: NW<br />
Gestore e fornitore dei dati: MeteoSchweiz<br />
The village of Sils/Maria is located on the floor of the Upper Engadina Valley, at<br />
the end of Val di Fex; it is only a few kilometres from the main Rhaetic ridge. The<br />
Upper Engadina, though being the best example of a mid–Alpine valley, has the<br />
hydro-meteorological characteristics of the Southern Alps. No coincidence: November<br />
2002, recorded as the month with the highest precipitation since1864,<br />
was characterized by strong south-westerly currents. Sils/Maria has logged a<br />
rare, enviable and uninterrupted 140-year long series of climatic data. For the<br />
comparisons only the 1988-2005 mean value has been considered, to allow a<br />
match with the S. Antonio data, whose mean value is referred to the same period.<br />
Bivacco Corti<br />
(Val d’Arigna, Orobie Valtellinesi, Sondrio - Italia)<br />
Quota: 2509 m/slm<br />
Coordinate CTR: N 5103334 - E 1576374<br />
Esposizione: SE<br />
Gestore: <strong>Servizio</strong> <strong>Glaciologico</strong> <strong>Lombardo</strong><br />
The thermo – hygrometric station is located at Bivacco Corti, a few dozen meters<br />
from the Lupo <strong>Glacier</strong>. Despite being slightly north of the Orobic watershed, the<br />
sensor has a good sunny exposure also during the winter months. The thermo–<br />
hygrometric sensor is located inside a Davis passive solar screen (8 plates), 205<br />
cm above the ground. The monthly average values have been calculated on<br />
the basis of the daily maximum and minimum temperatures (tmax + tmin) / 2.<br />
Sondrio<br />
(fondovalle valtellinese - Italia)<br />
Quota: 290 m/slm<br />
Coordinate: 46°10’ N / 09°52’ E<br />
Esposizione: S (fondovalle)<br />
Gestore: Fabio Pozzoni (ass.ne meteonetwork)<br />
The station, active since 2002, is located outside the town and minimally affected<br />
by the town heat. Its data are representative of climatic conditions of the<br />
Scalino-Painale and southern Disgrazia Massif Sectors. Thermically speaking, its<br />
position on the valley floor adequately tracks the thermal values of the foehn<br />
episodes, though maintaining typically continental thermal conditions. The<br />
average rain values (1988/2006 time interval) have been calculated based on<br />
ERSAF data (1988/2001), together with data by F. Pozzoni from 2002 onwards.<br />
Massimeno<br />
(versante sinistro Val Rendena (TN) - Italia)<br />
Quota: 860 m/slm<br />
Coordinate: 46°08’ N / 10°46’ E<br />
Esposizione: O (versante)<br />
Gestore: Andrea Toffaletti (S.G.L.)<br />
The station, in operation since 2001, it is located on a grassy slope, 180 cm<br />
above the ground in the Massimeno territory, on the left orographic side<br />
of Val Rendena. The station is located about 110 m above the valley floor,<br />
at an altitude of 860 m a.s.l. and reproduces the pluviometric conditions of<br />
the western side of the Adamello Massif. The historical average has been<br />
calculated with data from the Pinzolo meteorological station (2 km North)<br />
from 1920 to 1990 and from the Massimeno station from 2001 onwards.<br />
- 62 -<br />
S. Antonio Valfurva<br />
(Alta Valtellina, Valfurva, Sondrio - Italia)<br />
Quota: 1360 m/slm<br />
Coordinate: 46°27’ N / 10° 25’ E<br />
Esposizione: S<br />
Gestore e fornitore dei dati: Giuseppe Cola (S.G.L.)<br />
The meteorological station, because of its central position among the Upper<br />
Valtellina glaciers, has been an important reference point for the SGL<br />
snow-meteorological reports for the past 15 years. Located on the valley<br />
floor, though being in a hydro-meteorological context drier than to the<br />
rest of the region*, the station is however representative of the condition<br />
of the nearby SGL snow site of the Monte Sobretta (Alpe <strong>Sud</strong> <strong>Glacier</strong>, 3180<br />
m). The historical series was based on the data recorded during the period<br />
1987/1988 – 2005.<br />
* S. Antonio di Valfurva (649, 2 mm/year of rainfalls) is, together with Livigno,<br />
among the driest places of Lombardy.<br />
Bivacco Resnati<br />
(Val d’Arigna, Orobie Valtellinesi, Sondrio - Italia)<br />
Quota: 1950 m/slm<br />
Coordinate CTR: N 5103871 - E 1577294<br />
Esposizione: N<br />
Gestore: <strong>Servizio</strong> <strong>Glaciologico</strong> <strong>Lombardo</strong><br />
The thermo–hygrometric station is set on a large boulder sheltering the<br />
Bivacco Resnati, on top of the right lateral moraine and approx.100 m<br />
away from the Marovin <strong>Glacier</strong>. The orographic shadow is so efficient that<br />
the thermo–hygrometer is overshadowed for nearly 5 months. The sensor<br />
is located inside a Davis passive solar screen (8 plates), 540 cm above<br />
the ground. The monthly average values have been calculated on the basis<br />
of the daily maximum and minimum temperatures (tmax + tmin) / 2.<br />
Andalo Valtellino<br />
(fondovalle valtellinese, Sondrio - Italia)<br />
Quota: 220 m/slm<br />
Coordinate: 46°08’ N / 09° 28’ E<br />
Esposizione: N (fondovalle)<br />
Gestore e fornitore dei dati: Riccardo Scotti (S.G.L.)<br />
The village, located at the lower end of Valtellina, represents very well the<br />
pluviometric conditions of the Orobic sector and, partially, Val Chiavenna.<br />
The station, located at “i Burnìgui”, enjoys a better sunny exposure than the<br />
town centre in the winter days. The Lower Valtellina climate, less continental<br />
than its Middle or Upper sectors, is mitigated by the vicinity of Lake Como.<br />
The precipitation average is based on the annual figure of 1350 mm**.<br />
The monthly values are based on annual data from the historical series<br />
1988/2006 at Morbegno (SO), a site located few kilometres East of the meteorological<br />
station.<br />
** Average precipitations chart, annual min and max values on the Lombardy<br />
alpine territory (1981/1990), M. Ceriani and M. Carelli, Lombardy Region.<br />
Passo Venerocolo<br />
(alta Val d’Avio, Gruppo Adamello - Italia)<br />
Quota: 3230 m/slm<br />
Coordinate: 46°08’ N / 10°46’ E<br />
Esposizione: S (cima)<br />
Gestore: <strong>Servizio</strong> <strong>Glaciologico</strong> <strong>Lombardo</strong><br />
The Passo Venerocolo station, installed at 3230 m a.s.l. near the southern<br />
fore-peak of Monte dei Frati, is currently the highest thermo–hygrometric<br />
station in Lombardy. The sensor is less than 100 m away from the <strong>Glacier</strong><br />
and a few dozen meters above it. The thermo–hygrometric sensor<br />
is located inside a Davis passive solar screen (8 plates), 150 cm above the<br />
ground. The monthly average values have been calculated on the basis<br />
of the daily maximum and minimum temperatures (tmax + tmin) / 2.