Alignment of geophysical fields: a differential geometry perspective

<p>This is the document for the code mentioned in "Alignment of geophysical fields: a differential geometry perspective".</p> <p>&nbsp;</p> <p>(To save time, steps 1,2,3,4 can be skipped since the data is already saved in the corresponding filefolder)</p> <p>&nbsp;</p> <p><strong>1,GENERATE ENSEMBLE MEMBERS</strong> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;: run getens_doublevortex_256.py</p> <p><strong>2,GENERATE THE TRUTH&nbsp;</strong> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;: run gettruth_doublevortex_256.py</p> <p>&nbsp;</p> <p><strong>3,BEFORE MORPHING</strong> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;: run exp/get_dataens.py &nbsp;and &nbsp;exp/get_dataobs.py</p> <p><strong>4,MORPH THE ENSEMBLE &nbsp;</strong> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; : run exp/get_morphed.py</p> <p>&nbsp;</p> <p><strong>5,BEFORE DA &nbsp;&nbsp;</strong> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; : run exp/get_ens_LR.py and exp/get_truth_LR.py</p> <p><strong>6,DA &nbsp;&nbsp;</strong> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; : run exp/EnKF_direct.py and exp/EnKF_morphed.py</p> <p><strong>7,PLOT DA RESULTS &nbsp; &nbsp;&nbsp;</strong> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; : run exp/plt_comparemean.py and exp/plt_compare_member.py</p> <p>&nbsp;</p> <p><strong>8,MORPH WITH PLAIN T#(10000 steps) &nbsp;&nbsp;</strong> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;: run exp/get_morphed_noDiffGeo.py</p> <p><strong>9,MORPH WITH PLAIN T#(6000 steps) &nbsp; &nbsp;&nbsp;</strong> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;: run exp/get_morphed_noDiffGeo2.py</p> <p>&nbsp;</p> <p><strong>10,PLOT MORPHED ENSEMBLE MEMBERS &nbsp;</strong> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; : run exp/ensemble_morphed/figs/plt_main.py</p> <p><strong>11,PLOT MORPHED ENSEMBLE MEMBER WITH PLAIN T# &nbsp; &nbsp; &nbsp;</strong>: run exp/ensemble_morphed_noDiffGEo/figs/plt_main.py and exp/ensemble_morphed_noDiffGEo2/figs/plt_main.py</p>