IMIS Phenology Data Since 1998

Description

Long-term phenological data in alpine regions are often limited to a few locations and thus, little is known about climate-change induced plant phenological shifts above the treeline. Because plant growth initiation in seasonally snow-covered regions is largely driven by snowmelt timing and local temperature, it is essential to simultaneously track phenological shifts, snowmelt, and near-ground temperatures. In this study, we make use of ultrasonic snow height sensors installed at climate stations in the Swiss Alps to reveal phenological advance of grassland ecosystems and relate them to climatic changes over 25 years (1998 – 2023). When snow is absent, these snow height sensors additionally provide information on plant growth at a uniquely fine temporal scale. Daily temperatures and snow- / plant height values, annual phenological- and melt-out dates were derived from IMIS climate station data (doi.org/10.16904/envidat.406). We observed an advance of green-up by -2.4 days/decade coinciding with strong warming of up to +0.8°C/decade. Although the timing of melt-out has not changed significantly over the study period in this focal region, phenological responses to early melt-out years varied due to differing influences of photoperiodic and thermal constraints, which were not equally important across elevations and communities. Phenological shifts of alpine grasslands are thus likely to become even more pronounced if melt-out timing advances in the future as predicted. This repository relates to the publication Zehnder et al. (2025). Snow height sensors reveal phenological advance in alpine grasslands. Global Change Biology. accepted. The model data and code that support our findings are deposited in this repository.

Resources

Name Format Description Link
0 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/3799ac14-e0c6-4651-a18f-bc507ebb87d2
0 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/19951a82-e3bf-4650-bc36-dbe502dff703
0 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/08e70804-eed7-4a7c-8ad8-1a28c85deb2d
53 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/1a1b4c9a-2fe8-471f-8c36-616d5fd17738
53 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/2f390316-91a2-4600-a188-b6c1045065c1
53 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/4d2df843-22cf-46a4-84bb-a5eb09e6d1e0
0 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/91df036c-3904-4c7b-84de-355012cbbad9
0 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/89105a24-c1b0-457f-8ad4-deb0a91e2aee
53 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/1e867868-1e64-4ec6-9788-aaa7ab9fd561
53 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/210f372a-6bf4-42ce-aadc-6751e00c2a74
0 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/95fca3e1-8f8f-4b1b-bc53-9c9778462b67
0 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/57a701f9-40be-4068-9ae6-b2a101e8d802
34 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/afa71796-2a2e-4b7b-9885-d2a0fa47ed31
34 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/c190e750-7951-4434-b3e1-325bca7a6ddc
34 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/c190e750-7951-4434-b3e1-325bca7a6ddc
53 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/4d2df843-22cf-46a4-84bb-a5eb09e6d1e0
0 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/95fca3e1-8f8f-4b1b-bc53-9c9778462b67
0 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/89105a24-c1b0-457f-8ad4-deb0a91e2aee
53 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/1a1b4c9a-2fe8-471f-8c36-616d5fd17738
0 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/19951a82-e3bf-4650-bc36-dbe502dff703
0 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/3799ac14-e0c6-4651-a18f-bc507ebb87d2
53 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/210f372a-6bf4-42ce-aadc-6751e00c2a74
53 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/2f390316-91a2-4600-a188-b6c1045065c1
0 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/91df036c-3904-4c7b-84de-355012cbbad9
34 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/afa71796-2a2e-4b7b-9885-d2a0fa47ed31
0 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/57a701f9-40be-4068-9ae6-b2a101e8d802
53 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/1e867868-1e64-4ec6-9788-aaa7ab9fd561
0 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/08e70804-eed7-4a7c-8ad8-1a28c85deb2d
0 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/89105a24-c1b0-457f-8ad4-deb0a91e2aee
53 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/1e867868-1e64-4ec6-9788-aaa7ab9fd561
0 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/95fca3e1-8f8f-4b1b-bc53-9c9778462b67
53 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/4d2df843-22cf-46a4-84bb-a5eb09e6d1e0
0 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/91df036c-3904-4c7b-84de-355012cbbad9
34 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/afa71796-2a2e-4b7b-9885-d2a0fa47ed31
53 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/1a1b4c9a-2fe8-471f-8c36-616d5fd17738
0 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/08e70804-eed7-4a7c-8ad8-1a28c85deb2d
0 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/3799ac14-e0c6-4651-a18f-bc507ebb87d2
53 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/210f372a-6bf4-42ce-aadc-6751e00c2a74
53 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/2f390316-91a2-4600-a188-b6c1045065c1
34 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/c190e750-7951-4434-b3e1-325bca7a6ddc
0 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/57a701f9-40be-4068-9ae6-b2a101e8d802
0 https://www.envidat.ch/dataset/imis-phenology-data-since-1998/resource/19951a82-e3bf-4650-bc36-dbe502dff703

Tags

  • long-term
  • snow
  • snowmelt
  • monitoring
  • climate
  • imis
  • alpine
  • phenology
  • grassland
  • ultrasonic

Topics

  • EDUC

Categories