One Scottish snow patch survives until winter 2018/2019

Cameron, Iain; Watson, Adam

doi:10.1002/wea.3474

Cited by 5 publications

(5 citation statements)

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“…The original SSGB was a volunteer‐based initiative, whilst current summer/autumn snow patch surveys are organised by volunteer enthusiasts (e.g. Cameron and Watson, ). Citizen‐science climate initiatives have already successfully enhanced data availability, including archived sources (e.g.…”

Section: A Role For Citizen Science?mentioning

confidence: 99%

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Snow cover variability in Great Britain during a changing climate

Brown

2020

Weather

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Recent research on snow cover patterns over recent decades is reviewed for GB. Interpretation for upland areas is complicated by data availability issues. Nevertheless, two distinct features can be highlighted. Firstly, a general relationship of average yearly snow cover duration with mean temperature. This relationship is apparently non‐linear indicating that snow cover duration is especially sensitive to a defined mean temperature range. Secondly, that snow cover can be rather variable from year to year, or over multi‐year phases. This variability has been related to the frequency of synoptic‐scale atmospheric circulation patterns including the North Atlantic Oscillation. These two features are used to contextualise recent and likely future trends in snow cover. It is suggested that there may be different patterns of variability in some mountain areas compared to the adjacent lowlands. This is associated with combined effects of temperature and precipitation during exposure to different air masses. Suggestions are made for improving snow cover observations to further investigate these issues.

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Section: A Role For Citizen Science?mentioning

confidence: 99%

“…This period of analysis is therefore distinct from, but complementary to, that used for the regular annual summer/autumn surveys of isolated snow patches that may survive at topographically favoured mountain locations (e.g. Watson et al ., ; Cameron, ; Cameron and Watson, ).…”

Section: Introductionmentioning

confidence: 99%

Snow cover variability in Great Britain during a changing climate

Brown

2020

Weather

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“…Scotland from 1974 to 1989 using visual observation from vantage points and counting the number and estimating the size of the espied areas. Since 1997, there have been annual reports of the number of snow patches surviving until the following winter across Scotland based on field surveys; see, for example, [29,30]. Field surveys were also used to map snow patches over a decade in the Snowy Mountains, Australia [14].…”

Section: Introductionmentioning

confidence: 99%

Decline of Late Spring and Summer Snow Cover in the Scottish Highlands from 1984 to 2022: A Landsat Time Series

Spracklen

2023

Remote Sensing

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Late spring and summer snow cover, the remnants of winter and early spring snowfall, not only possess an intrinsic importance for montane flora and fauna, but also act as a sensitive indicator for climate change. The variability and potential trends in late spring and summer (snowmelt season) snow cover in mountain regions are often poorly documented. May to mid-September Landsat imagery from 1984 to 2022 was used to quantify changes in the snow-covered area of upland regions in the Scottish Highlands. There was substantial annual variability in the area of May to mid-September snow cover combined with a significant decline over the 39-year study period (p = 0.02). Long-term climate data used to show variability in May to mid-September snow cover was positively related to winter snowfall and negatively related to winter and April temperatures. The results from a long-running field survey counting the number of snow patches that survive until the following winter were used to check the veracity of the study. Further, accuracy was estimated through comparison with higher resolution Sentinel-2 imagery, giving a user and producer accuracy rate of 99.8% and 87%, respectively. Projected future warming will further diminish this scarce, valuable habitat, along with its associated plant communities, thus threatening the biodiversity and scenic value of the Scottish Highlands.

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“…This article is the 25th annual review on the survival of Scottish snow patches and follows last year's account by Cameron and Fyffe (2020).…”

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confidence: 95%