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fix tutorial for groundwater recharge calculation with EE #838

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Jul 18, 2024
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fix tutorial for groundwater recharge calculation with EE #838

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8 changes: 4 additions & 4 deletions tutorials/groundwater-recharge-estimation/index.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -1027,8 +1027,8 @@
},
"outputs": [],
"source": [
"# Combine precipitation and evapotranspiration.\n",
"meteo = pr_m.combine(pet_m)\n",
"# Combine precipitation and evapotranspiration, and sort the collection.\n",
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No need to mention the sort in the comment. That's redundant to what's in the code.

"meteo = pr_m.combine(pet_m).sort(\"system:time_start\")\n",
"\n",
"# Import meteorological data as an array at the location of interest.\n",
"meteo_arr = meteo.getRegion(poi, scale).getInfo()\n",
Expand Down Expand Up @@ -1212,7 +1212,7 @@
"***Case 2.2: the storage $ST_{m}$ is less than or equal to the water stored at the field capacity.***\n",
"\n",
"If $ST_{m} \u003c= ST_{FC}$, $APWL_{m}$ is implemented as follows:\n",
"$APWL_{m} = ST_{FC} \\times \\textrm{ln}(ST_{m}/ST_{FC})$, and no percolation occurs.\n",
"$APWL_{m} = - ST_{FC} \\times \\textrm{ln}(ST_{m}/ST_{FC})$, and no percolation occurs.\n",
"\n",
"#### Initialization\n",
"\n",
Expand Down Expand Up @@ -1381,7 +1381,7 @@
" new_apwl = new_apwl.where(zone1, zone1_apwl)\n",
"\n",
" # Calculate ST in zone 1.\n",
" zone1_st = prev_st.multiply(\n",
" zone1_st = stfc.multiply(\n",
" ee.Image.exp(zone1_apwl.divide(stfc).multiply(-1))\n",
" ).rename(\"st\")\n",
" # Implement ST in zone 1.\n",
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