The PRs that have been merged to E3SM master between E3SM v2.0, which was created on Sep-29-2021, and present-day with labels Land and River can be searched on Github using the following filter
is:pr is:closed merged:2021-09-29..2022-12-31 base:master label:Land,River
The resulting list of PRs is here.
New features in ELM and MOSART
Implementation of topography-based subgrid structure (topounits) and downscaling methods of atmospheric forcing from atmosphere grid to land topounits. (https://github.com/E3SM-Project/E3SM/pull/4273)
Implementation of a sub-grid topographic parameterization in ELM that quantifies the effects of sub-grid topography on solar radiation flux. (https://github.com/E3SM-Project/E3SM/pull/4590 )
Implementation of two-way land-river hydrological coupling through the infiltration of water on
the floodplain during the flooding period. (https://github.com/E3SM-Project/E3SM/pull/5017 )Implementation of two-way river-ocean hydrological coupling between MOSART and MPAS-O. (https://github.com/E3SM-Project/E3SM/pull/5066 )
Updates SNICAR-AD snow radiative transfer model to include non-spherical snow grain shape, internal mixing of dust-snow and solar-zenith-angle dependence of surface spectral irradiance under different atmospheric profiles. (https://github.com/E3SM-Project/E3SM/pull/5102 )
Implementation of the impacts of irrigation, conservation agriculture, crop residue, glacier, and lithology on soil erosion and sediment yield in ELM-Erosion (https://github.com/E3SM-Project/E3SM/pull/4807 )