Geochemistry investigations of landforms in the Ross Sea Region to determine past glacial history and landform processes
The geochemistry of Ross Island (Cape Barne and Cape Crozier), the Taylor and Wright Valleys, Lake Vida in Victoria Valley and Marble Point was studied (weathering and land formation) to determine the past glacial history of the Ross Sea Region. The salts of the sea ice, soils and regolith was sampled and analysed and the effect of salt weathering on landforms was investigated at each site. Particular attention was paid to the evolution of rectilinear slopes, tor formation and the development of the Labyrinth in the Wright Valley. The nature and origin of the labyrinth was further investigated in a follow up study in response to the proposed theories for formation developed from this investigation and new hypotheses were put forward.
The data are provisional and subject to change as model improvements are implemented and new input data sets become available.
Data Set Progress
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Xia, Y., K. Mitchell, M. Ek, J. Sheffield, B. Cosgrove, E. Wood, L. Luo, C. Alonge, H. Wei, J. Meng, B. Livneh, D. Lettenmaier, V. Koren, Q. Duan, K. Mo, Y. Fan, and D. Mocko, (2012), Continental-scale water and energy flux analysis and validation for the North American Land Data Assimilation System project phase 2 (NLDAS-2): 1. Intercomparison and application of model products, J. Geophys. Res., ... 117, D03109, doi:10.1029/2011JD016048.
Betts, A., F. Chen, K. Mitchell, and Z. Janjic (1997), Assessment of the land surface and boundary layer models in two operational versions of the NCEP Eta model using FIFE data, Mon. Weather Rev., 125, 2896-2916,
Chen, F., Z. Janjic, and K. Mitchell (1997), Impact of atmospheric surface-layer parameterizations in the new land-surface scheme of the NCEP mesoscale Eta model, Boundary Layer Meteorol., 85, 391-421, doi:10.1023/A:1000531001463.
Ek, M. B., K. E. Mitchell, Y. Lin, E. Rodgers, P. Grunman, V. Koren, G. Gayno, and J. D. Tarpley (2003), Implementation of Noah land surface model advances in the National Centers for Environmental Prediction operational mesoscale Eta model, J. Geophys. Res., 108(D22), 8851, doi:10.1029/2002JD003296.
Koren, V., J. Schaake, K. E. Mitchell, Q. Duan, F. Chen, and J. Baker (1999), A paramerization of snowpack and frozen ground intended for NCEP weather and climate models, J. Geophys. Res., 104, 19569-19585, doi:10.1029/1999JD900232.
Livneh, B., Y. Xia, M. B. Ek, K. E. Mitchell, and D. Lettenmaier (2010), Noah LSM snow model diagnostics and enhancements, J. Hydrometeorol., 11, 721-738, doi:10.1175/2009JHM1174.1.
Wei, H., Y. Xia, K. E. Mitchell, and M. B. Ek (2011), Improvement of Noah land surface model for warm season processes: Evaluation of water and energy flux simulation, Hydrol. Processes, doi:10.1002/hyp.9214.
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