Hobo temperature data from the black sand extended growing season length and ITEX chamber experiment, hourly, 2018 - 2020

Climate warming is accelerating spring snowmelt in Colorado, with pronounced effects in mountain ecosystems. Early snowmelt results in an extended summer that may increase stress for plants, such as water limitation and a higher frequency of frost events. Alternatively, plants that are limited by a short growing season may benefit from longer summers under climate change. To simulate how changes in growing season length and air temperature may affect biotic and abiotic components, we accelerated snowmelt in one plot of each 4 blocks by adding chemically inert black sand, while keeping the second plot as an unmanipulated control (black sand was added to these plots after snow had naturally melted). ITEX warming chambers were added to 3 subplots within each block. This dataset includes measurements of soil surface or subsurface temperature within subplots.

气候变暖正在加速科罗拉多州的春季积雪消融，对山地生态系统造成了显著影响。提早融雪会导致夏季时长延长，可能加剧植物面临的胁迫，例如水分受限以及霜冻事件发生频率升高。反之，那些受限于生长季较短的植物，则可能在气候变化背景下从更长的夏季中获益。为模拟生长季长度与气温变化如何影响生物与非生物组分，本研究通过施加化学惰性黑沙的方式，加速了4个区组中每组1个样地的积雪消融过程；同时将每组的另一个样地设为未人工干预对照组（黑沙仅在积雪自然消融后添加至该对照组样地）。每个区组内设置3个小样地，并安装ITEX变暖箱（ITEX warming chambers）。本数据集包含各小样地内的土壤表层或地下温度观测数据。