Andreassen, Liss M; Oerlemans, Johannes (2009): (Table 1) Correlation of precipitation and winter mass balance (bw) at Storbreen, Norway [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.806821, Supplement to: Andreassen, LM; Oerlemans, J (2009): Modelling long-term summer and winter balances and the climate sensitivity of Storbreen, Norway. Geografiska Annaler Series A-Physical Geography, 91(4), 233-251, https://doi.org/10.1111/j.1468-0459.2009.00366.x
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Abstract:
Measurements of winter balance (bw) and summer balance (bs) have been carried out at Storbreen since 1949. Here we apply a simple mass balance model to study the climate sensitivity and to reconstruct the mass balance series prior to 1949. The model is calibrated and validated with data from an automatic weather station (AWS) operating in the ablation zone of Storbreen since 2001. Regression analysis revealed that bw was best modelled using precipitation data southwest of the glacier. Results from the model compared well with reported mass balance values for the period 1949-2006, obtained correlations (r) for bw and bs varied between 0.83 and 0.87 depending on model set up. Reconstruction of the mass balance series for the period 1924/1925-1948/1949 suggested a cumulative mass deficit of c. 30 m w.e. mainly due to highly negative summer balances, but also lower bw than the average for 1949-2006. Calculated change in specific mass balance for a ±1°C change in air temperature was ±0.55 m w.e., whereas a ±10 % increase in precipitation represented a change of ± 0.20 m w.e. Model results further indicated that for a 2°C warming, the ablation season will be extended by c. 30 days and that the period of ice melt at the AWS location will increase from c. 40 to c. 80 days.
Project(s):
Coverage:
Median Latitude: 61.324167 * Median Longitude: 7.600000 * South-bound Latitude: 59.830000 * West-bound Longitude: 6.220000 * North-bound Latitude: 62.110000 * East-bound Longitude: 9.770000
Minimum Elevation: 40.0 m * Maximum Elevation: 972.0 m
Event(s):
Beito * Latitude: 61.240000 * Longitude: 8.860000 * Elevation: 754.0 m * Location: Norway * Method/Device: Weather station/meteorological observation (WST)
Comment:
The station information is taken from http://www.eklima.no. Data extracted in the frame of a joint ICSTI/PANGAEA IPY effort, see http://doi.pangaea.de/10.1594/PANGAEA.150150
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Station label | Station | Andreassen, Liss M | |||
| 2 | Event label | Event | ||||
| 3 | Date/time start | Date/time start | Andreassen, Liss M | digital data from | ||
| 4 | Elevation of event | Elevation | m | |||
| 5 | Latitude of event | Latitude | ||||
| 6 | Longitude of event | Longitude | ||||
| 7 | Time coverage | Coverage | Andreassen, Liss M | |||
| 8 | Area/locality | Area | Andreassen, Liss M | region | ||
| 9 | Precipitation, annual mean | MAP | mm | Andreassen, Liss M | ||
| 10 | Precipitation, sum | Precip sum | mm | Andreassen, Liss M | winter: oct-apr | |
| 11 | Coefficient of determination | R**2 | Andreassen, Liss M | between winter precipitation sum for the period 15.09. to 14.05. and winter mass balance (bw) | ||
| 12 | Coefficient | Coeff | Andreassen, Liss M | correlation between winter precipitation sum for the period 15.09. to 14.05. and winter mass balance (bw) |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
96 data points
Data
| 1 Station | 2 Event | 3 Date/time start | 4 Elevation [m] | 5 Latitude | 6 Longitude | 7 Coverage | 8 Area | 9 MAP [mm] | 10 Precip sum [mm] | 11 R**2 | 12 Coeff |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 23560 | Beito | 1905-03-09 | 754 | 61.24 | 8.86 | 1949-2006 | East | 742 | 317 | 0.03 | 0.17 |
| 15720 | Brata | 1950-09-01 | 712 | 61.91 | 7.86 | 1951-2006; not in operation from 01.06.1998 and replaced by 15730 | East | 537 | 328 | 0.60 | 0.77 |
| 15430 | Boverdalen | 1905-03-25 | 701 | 61.72 | 8.24 | 1949-2006 | East | 440 | 224 | 0.49 | 0.70 |
| 16610 | Fokstugu | 1968-06-01 | 972 | 62.11 | 9.29 | 1949-2006 | East | 448 | 181 | 0.41 | 0.59 |
| 13100 | VGausdal | 1896-01-01 | 580 | 61.34 | 9.77 | 1949-2006 | East | 589 | 229 | 0.00 | -0.02 |
| 58480 | Briksdal | 1895-07-01 | 40 | 61.69 | 6.81 | 1949-2006 | West | 1351 | 849 | 0.57 | 0.75 |
| 51470 | Bulken | 1905-03-09 | 323 | 60.65 | 6.22 | 1949-2006 | West | 1808 | 1124 | 0.69 | 0.83 |
| 55550 | Haflso | 1905-03-09 | 246 | 61.29 | 7.19 | 1949-2006 | West | 1032 | 644 | 0.63 | 0.80 |
| 58320 | Myklebust | 1895-07-01 | 315 | 61.71 | 6.62 | 1949-2006 | West | 1612 | 952 | 0.65 | 0.81 |
| 46450 | Roldal | 1905-02-25 | 393 | 59.83 | 6.83 | 1949-2006 | West | 1606 | 1002 | 0.70 | 0.84 |
| 55730 | Sogndal | 1895-07-01 | 421 | 61.33 | 6.93 | 1949-2006 | West | 1525 | 941 | 0.68 | 0.83 |
| 53070 | VikSogn | 1895-01-01 | 65 | 61.07 | 6.58 | 1949-2006 | West | 1086 | 708 | 0.68 | 0.82 |