Past surface mass balance of the Juneau Icefield, Southeast Alaska (1980 to 2019)

This dataset contains the modelled past surface mass balance of the Juneau Icefield in Southeast Alaska for three models. A reanalysis model, CFSR from 1980 to 2019. And two global climate models (GFDL-CM3 and NCAR-CCSM4) from 1980 to 2010. The simulated surface mass balance was produced using COSIPY - a coupled snowpack and ice surface energy and mass balance model. The input climate data was originally dynamically downscaled in Lader et al., (2020, J. Appl. Meteor. Climatol.) This data supplements the manuscript "Surface mass balance modelling of the Juneau Icefield highlights the potential for rapid ice loss by the mid-21st century" submitted to the Journal of Glaciology.本数据集包含阿拉斯加东南部朱诺冰原（Juneau Icefield）的模拟过去表面质量平衡数据，共涵盖三类模型的模拟结果：其一为1980年至2019年的CFSR再分析模型（reanalysis model）；另外两种为1980年至2010年的全球气候模型（global climate models）GFDL-CM3与NCAR-CCSM4。此次模拟得到的表面质量平衡数据由COSPY模型生成——该模型是一款耦合积雪与冰面能量及质量平衡的模型。原始输入气候数据最初由Lader等人于2020年发表在《应用气象与气候学杂志》（J. Appl. Meteor. Climatol.）的研究中完成动力降尺度处理。 本数据集作为已提交至《冰川学杂志》（Journal of Glaciology）的论文《朱诺冰原表面质量平衡模拟凸显21世纪中期快速冰体流失潜力》的补充数据。