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eeholmes committed Aug 21, 2024
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3 changes: 2 additions & 1 deletion book/notebooks/CHL_prediction_CNN.ipynb
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"source": [
"# Gap-filling with CNN\n",
"\n",
"**Author:** Yifei Hang (UW)\n",
"**Author:** Yifei Hang (UW Varanasi intern 2024)\n",
"\n",
"\n",
"This notebook shows how to fit a basic Convolutional Neural Network for filling the gaps in the Chlorophyll-a data. Although you can run this tutorial on CPU, it will be much faster on GPU. We used the image `quay.io/pangeo/ml-notebook:2024.08.18` for running the notebook."
]
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2 changes: 1 addition & 1 deletion book/notebooks/CHL_prediction_ConvLSTM_.ipynb
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"source": [
"# Gap-filling with ConvLSTM\n",
"\n",
"**Author:** Yifei Hang (UW), Jiarui Yu (UW)\n",
"**Author:** Yifei Hang (UW Varanasi intern 2024), Jiarui Yu (UW Varanasi intern 2023)\n",
"\n",
"This notebook shows how to fit a basic ConvLSTM for filling the gaps in the Chlorophyll-a data. Although you can run this tutorial on CPU, it will be much faster on GPU. We used the image `quay.io/pangeo/ml-notebook:2024.08.18` for running the notebook."
]
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33 changes: 21 additions & 12 deletions book/notebooks/IO_Zarr.md
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# Indian Ocean Dataset

**Author:** Minh Phan (UW Varanasi intern 2023), Eli Holmes (NOAA/UW)

Our Indian Ocean zarr dataset `INDIAN_OCEAN_025GRID_DAILY.zarr` or `IO.zarr` is a 1972-2022 blended dataset for the Arabian Sea and Bay of Bengal formated as a `.zarr` file, containing daily cleaned and interpolated data from variables across multiple sources, mostly from processed NASA/NOAA and Copernicus collections and the ERA5 reanalysis products.

### Variables

* `adt`: sea surface height above geoid (m)
* `adt`: sea surface height above geoid (m) (SL_TAC)
* `air_temp`: air temperature at 2 meters above the surface (K), from 1979 (ERA5)
* `mlotst`: mean ocean mixed layer thickness (m)
* `sla`: sea level anomaly (m)
* `so`: sea salinity concentration (m**-3 or PSL)
* `mlotst`: mean ocean mixed layer thickness (m) (GLORY)
* `sla`: sea level anomaly (m) (SL_TAC)
* `so`: sea salinity concentration (m**-3 or PSL) (GLORY)
* `sst`: sea surface temperature (K), from 1979 (ERA5)
* `topo`: topography (m) (USGS)
* `u_curr`: u-component of total surface currents (m/s)
* `v_curr`: v-component of total surface currents (m/s)
* `ug_curr`: u-component of geostrophic surface currents (m/s)
* `topo`: topography (m) (SRTM30+)
* `u_curr`: u-component of total surface currents (m/s) (OSCAR)
* `v_curr`: v-component of total surface currents (m/s) (OSCAR)
* `ug_curr`: u-component of geostrophic surface currents (m/s) (OSCAR)
* `vg_curr`: v-component of geostrophic surface currents (m/s)
* `u_wind`: u-component of surface wind (m/s), from 1979 (ERA5)
* `v_wind`: v-component of surface wind (m/s), from 1979 (ERA5)
* `curr_speed`: total current speed (m/s)
* `curr_dir`: total current direction (degrees)
* `wind_speed`: surface wind speed (m/s), computed from ERA5, from 1979
* `wind_dir`: surface wind direction (degrees), computed from ERA5, from 1979

### Derived variables

* `curr_speed`: total current speed (m/s), computed from `u_curr` and `v_curr`
* `curr_dir`: total current direction (degrees) (OSCAR), computed from `u_curr` and `v_curr`
* `wind_speed`: surface wind speed (m/s), computed from `u_wind` and `v_wind`
* `wind_dir`: surface wind direction (degrees), computed from `u_wind` and `v_wind`

### Chlorophyll variables

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* ERA5: These are hourly data that have been averaged to daily data, with the addition of some additional hourly wind layers.
* GlobColour: CHL from the [GlobColour project](https://www.globcolour.info/) and accessed from Copernicus. There are two products. A Level 4 gap-filled product which is derived from a gappy Level 3 multi-sensor product. Gappy means still has cloud (etc) NaNs.
* GLORY: Global Ocean Physics Reanalysis (product code name GLORYS12V1) from Copernicus Marine Environment Monitoring Service (CMEMS).
* OSCAR: Ocean Surface Current Analyses Real-time (OSCAR) Version 2.0.
* SL_TAC: Sea Level TAC product Global Ocean Gridded L 4 Sea Surface Heights And Derived Variables Reprocessed 1993 Ongoing
* SRTM30+: SRTM30+ Global 1-km Digital Elevation Model Version 11
* CCI: Ocean Color CCI product that merges multiple sensors.
* DINEOF: NOAA MSL12 Ocean Color, science quality, VIIRS multi-sensor (SNPP + NOAA-20), chlorophyll DINEOF gap-filled analysis
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