UCLA's Larry Smith, Vena Chu from UC Berkeley and other reserachers conduct work in the ablation, or melt zone of the Greenland Ice Sheet. The work included the deployment of floating sensors, conducting 72 continuous hours of melt water profiles, and ice mapping using fixed-wing drones.
GCMD keywords can be found on the Internet with the following citation:
Olsen, L.M., G. Major, K. Shein, J. Scialdone, S. Ritz, T. Stevens, M. Morahan, A. Aleman, R. Vogel, S. Leicester, H. Weir, M. Meaux, S. Grebas, C.Solomon, M. Holland, T. Northcutt, R. A. Restrepo, R. Bilodeau, 2013. NASA/Global Change Master Directory (GCMD) Earth Science Keywords. Version 22.214.171.124.0