Dataset overview updates for GEOGLAM and EPA (#39)

* Update epa dataset overview * Update geoglam overview * Remove commented out sections * Copy edits * Review updates * Capitalize type in data type
NASA-IMPACT · Nov 21, 2023 · 8e4713e · 8e4713e
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diff --git a/datasets/epa-ch4emission-v2express.data.mdx b/datasets/epa-ch4emission-v2express.data.mdx
@@ -2,34 +2,18 @@
 id: epa-ch4emission-yeargrid-v2express
 name: U.S. Gridded Anthropogenic Methane Emissions Inventory
 description: Spatially disaggregated 0.1°x 0.1° maps of annual U.S. anthropogenic methane emissions, consistent with the U.S. Inventory of Greenhouse Gas Emissions and Sinks.
-usage:
-  - url: "https://us-ghg-center.github.io/ghgc-docs/cog_transformation/epa-ch4emission-grid-v2express.html"
-    label: Notebook showing data transformation to COG for ingest to the US GHG Center
-    title: "Data Transformation Notebook"
-  - url: "https://us-ghg-center.github.io/ghgc-docs/user_data_notebooks/epa-ch4emission-grid-v2express_User_Notebook.html"
-    label: Notebook to read, visualize, and explore data statistics
-    title: "Sample Data Notebook"
-  - url: "https://hub.ghg.center/hub/user-redirect/git-pull?repo=https%3A%2F%2Fgithub.com%2FUS-GHG-Center%2Fghgc-docs&urlpath=tree%2Fghgc-docs%2Fuser_data_notebooks%2Fepa-ch4emission-grid-v2express_User_Notebook.ipynb&branch=main"
-    label: Run example notebook
-    title: Interactive Session in the US GHG Center JupyterHub (requires account)
-  - url: https://dljsq618eotzp.cloudfront.net/browseui/index.html#epa-ch4emission-yeargrid-v2express/
-    label: Browse and download the data
-    title: Data Browser
 media:
   src: ::file ./epa-annual--cover.jpg
   alt: Total Gridded Methane Emissions from the U.S. Inventory of Greenhouse Gas Emissions and Sinks
   author:
     name: EPA
 taxonomy:
-  - name: Topics
+  - name: Theme
     values:
-      - Anthropogenic Emissions
+      - Greenhouse Gases
   - name: Source
     values:
       - EPA
-  - name: Gas
-    values:
-      - CH₄
   - name: Product Type
     values:
       - Gridded Inventory
@@ -2214,72 +2198,34 @@ layers:
 
 <Block type='wide'>
   <Prose>
-    The gridded EPA U.S. anthropogenic methane greenhouse gas inventory (gridded GHGI) includes spatially disaggregated (0.1 deg x 0.1 deg or approximately 10 x 10 km resolution) maps of annual anthropogenic methane emissions for the contiguous United States (CONUS), consistent with national annual U.S. anthropogenic methane emissions reported in the U.S. EPA [Inventory of U.S. Greenhouse Gas Emissions and Sinks](https://www.epa.gov/ghgemissions/inventory-us-greenhouse-gas-emissions-and-sinks) (U.S. GHGI). This dataset contains methane emissions provided as fluxes, in units of molecules of methane per square cm per second, for over 25 individual emission source categories, including those from agriculture, petroleum and natural gas systems, coal mining, and waste. The data have been converted from their original NetCDF format to Cloud-Optimized GeoTIFF (COG) and scaled to Megagrams of CH4 per km2 per year (Mg/km²/yr) for use in the US GHG Center, thereby enabling user exploration of spatial anthropogenic methane emissions and their trends.
-
-    **Data Version Details:**
-    The gridded methane GHGI is continually updated to capture ongoing improvements and updates to the U.S. GHG Inventory. The gridded methane GHGI currently includes 2 versions, which reflect sectoral methane emissions that are consistent with different versions of the U.S. GHGI. Versions include:
-
-    Current Version(s)
-      - A. Gridded methane GHGI Version 2 (0.1°×0.1° annual emission maps for 2012-2018, consistent with the 2020 U.S. GHGI)
-      - B. Gridded methane GHGI Version 2 - Express Extension (0.1°×0.1° annual emission maps for 2012-2020, consistent with the 2022 U.S. GHGI) 
-
-    Previous Versions
-      - A. Gridded methane GHGI Version 1 (0.1°×0.1° annual emission maps for 2012, consistent with the 2016 U.S. GHGI)
-
-    Data available on the Data Explorer page correspond to the V2 Express Extension dataset. 
-
-    For more information on the current data set versions, see the associated publication: [Massakkers et al., 2023.](https://pubs.acs.org/doi/full/10.1021/acs.est.3c05138) or visit the [EPA gridded inventory webpage](https://www.epa.gov/ghgemissions/us-gridded-methane-emissions). For more information on the previous version, see the associated publication: [Massakkers et al., 2016.](https://pubs.acs.org/doi/10.1021/acs.est.6b02878)   
-
-    - **Temporal Extent:** 2012 - 2020    
-    - **Temporal Resolution:** Annual    
-    - **Spatial Extent:** Contiguous United States  
-    - **Spatial Resolution:** 0.1° x 0.1°    
-    - **Data Units:** Megagrams of methane per square kilometer per year (Mg CH₄/km²/yr)    
-    - **Data type:** Research (v2 express extension)
-    - **Data Latency:** N/A
-
-    **Scientific Details:** The gridded methane GHGI is developed by spatially allocating national annual methane emissions from individual source categories from the Inventory of U.S. Greenhouse Gas Emissions and Sinks (U.S. GHGI) to a 0.1 deg x 0.1 deg (~10 x 10 km) grid using a series of spatial and temporal proxy datasets at the state, county, and grid levels. Where possible, the proxy data are the same as those used to develop the GHGI so that the gridded emissions can be, as closely as possible, a spatial and temporal representation of those in the national-level U.S. GHGI Report.
-
-    The development of the gridded GHGI enables more direct comparisons between the methane emissions reported in the annual U.S. GHGI and those derived from atmospheric methane observations, such as through inverse analyses, with the aim of improving national inventory estimates and better understanding uncertain sources of methane emissions.
-
-    Details of the methodological development of this dataset are described in the paper Maasakkers et al., 2023: [https://pubs.acs.org/doi/full/10.1021/acs.est.3c05138](https://pubs.acs.org/doi/full/10.1021/acs.est.3c05138)
+    The gridded EPA U.S. anthropogenic methane greenhouse gas inventory (gridded GHGI) includes spatially disaggregated (0.1 deg x 0.1 deg or approximately 10 x 10 km resolution) maps of annual anthropogenic methane emissions for the contiguous United States (CONUS), consistent with national annual U.S. anthropogenic methane emissions reported in the U.S. EPA [Inventory of U.S. Greenhouse Gas Emissions and Sinks](https://www.epa.gov/ghgemissions/inventory-us-greenhouse-gas-emissions-and-sinks) (U.S. GHGI). The gridded GHGI dataset contains methane emissions provided as fluxes, in units of molecules of methane per square centimeter per second, for over 25 individual emission source categories, including those from agriculture, petroleum and natural gas systems, coal mining, and waste. The data have been scaled to Megagrams of methane per square kilometer per year (Mg/km²/yr) for use in the Earth.gov, thereby enabling user exploration of spatial anthropogenic methane emissions and their trends.
 
+    ## Data Summary
+
+      - **Temporal Extent:** 2012 - 2020    
+      - **Temporal Resolution:** Annual    
+      - **Spatial Extent:** Contiguous United States  
+      - **Spatial Resolution:** 0.1 degrees x 0.1 degrees
+      - **Data Units:** Megagrams of methane per square kilometer per year (Mg CH₄/km²/yr)    
+      - **Data Type:** Research (v2 express extension)
   </Prose>
 </Block>
 <Block>
   <Prose>
-    ## Source Data Product Citation
-    Gridded GHGI Version 2 & Express Extension (this dataset in US GHG Center): 
-    McDuffie, E. E., Maasakkers, J. D., Sulprizio, M. P., Chen, C., Schultz, M., Brunelle, L., Thrush, R., Steller, J., Sherry, C., Jacob, Daniel, J., Jeong, S., Irving, B., & Weitz, M. (2023). Gridded EPA U.S. Anthropogenic Methane Greenhouse Gas Inventory (gridded GHGI) (v1.0) [Data set]. Zenodo. [https://doi.org/10.5281/zenodo.8367082](https://doi.org/10.5281/zenodo.8367082)
-
-    Gridded GHGI Version 1:
-
-    Maasakkers, J. D., Jacob, D. J., Sulprizio, M. P., Turner, A. J., Weitz, M., Wirth, T., Hight, C., DeFigueiredo, M., Desai, M., Schmeltz, R., Hockstad, L., Bloom, A. A., Bowman, K. W., Jeong, S., Fischer, M. L. (2016) A Gridded National Inventory of U.S. Methane Emissions [Data set]. Available at: [https://www.epa.gov/ghgemissions/gridded-2012-methane-emissions#data](https://www.epa.gov/ghgemissions/gridded-2012-methane-emissions#data)
-
-    ## Dataset Accuracy
-    Uncertainties underlying the development of national methane emission estimates are discussed in each annual U.S. GHGI Report. Additional characterization of resolution-dependent uncertainties are discussed in [Maasakkers et al. (2023)](https://pubs.acs.org/doi/full/10.1021/acs.est.3c05138).
-
-    ## Disclaimer
-    All data provided in the US GHG Center has been transformed from the original format (NetCDF) into Cloud Optimized GeoTIFF ([COG](https://www.cogeo.org/)). Careful quality checks are used to ensure data transformation has been performed correctly. The manuscript describing the gridded methane GHGI has been peer-reviewed, but is not part of the same annual expert and public review processes as the U.S. EPA National and State-level Inventory.
+    ## Source Data Access
 
-    Users of these datasets are asked to cite the original references  [Maasakkers et al. (2023)](https://pubs.acs.org/doi/full/10.1021/acs.est.3c05138) or [Maasakkers, et al., (2016)](https://pubs.acs.org/doi/10.1021/acs.est.6b02878) in their publications and are encouraged to reach out to the development team with further questions.
+    The dataset presented here in Earth.gov is the Gridded Methane GHGI Version 2 - Express Extension:
 
-    ## Key Publications
-    Maasakkers, J. D., McDuffie, E. E.,, Sulprizio, M. P., Chen, C., Schultz, M., Brunelle, L., Thrush, R., Steller, J., Sherry, C., Jacob, D. J., Jeong, S., Irving, B., & Weitz, M. (2023). A gridded inventory of annual 2012-2018 U.S. anthropogenic methane emissions. Environmental Science & Technology, 57(43), 16276-16288. https://pubs.acs.org/doi/full/10.1021/acs.est.3c05138
-
-    ## Other Relevant Publications
-    Maasakkers, J., Jacob, D., Sulprizio, M., Turner, A., Weitz, M., Wirth, T., Hight, C., DeFigueiredo, M., Desai, M., Schmeltz, R., Hockstad, L., Bloom, A., Bowman, K., Jeong, S., Fischer, M. (2016). Gridded National Inventory of U.S. Methane Emissions. *Environmental Science & Technology*, 50(23), 13123-13133. https://doi.org/10.1021/acs.est.6b02878
+    McDuffie, E. E., Maasakkers, J. D., Sulprizio, M. P., Chen, C., Schultz, M., Brunelle, L., Thrush, R., Steller, J., Sherry, C., Jacob, Daniel, J., Jeong, S., Irving, B., & Weitz, M. (2023). Gridded EPA U.S. Anthropogenic Methane Greenhouse Gas Inventory (gridded GHGI) (v1.0) [Data set]. Zenodo. [https://doi.org/10.5281/zenodo.8367082](https://doi.org/10.5281/zenodo.8367082)
 
+    Users of this dataset are asked to cite the original reference [Maasakkers et al. (2023)](https://pubs.acs.org/doi/full/10.1021/acs.est.3c05138) in their publications and are encouraged to reach out to the development team with further questions. More information is available on the [EPA Gridded Methane Emissions landing page](https://www.epa.gov/ghgemissions/us-gridded-methane-emissions). 
+
     ## Acknowledgment
-    This dataset was developed in collaboration between researchers at the U.S. EPA, Netherlands Institute for Space Research (SRON), Harvard University, and Lawrence Berkeley National Laboratory.
-
-    ## License
-    [Creative Commons Attribution 4.0 International](https://creativecommons.org/licenses/by/4.0/legalcode) (CC BY 4.0)
+    This dataset was developed in collaboration between researchers at the U.S. EPA, SRON Netherlands Institute for Space Research, Harvard University, and Lawrence Berkeley National Laboratory.
 
-    ## Data Stewardship
-    - [Data Workflow](https://github.com/US-GHG-Center/ghgc-docs/blob/main/data_workflow/media/epa-ch4emission-grid-v2express_Data_Flow.png)
-    - [Data Transformation Code](https://us-ghg-center.github.io/ghgc-docs/cog_transformation/epa-ch4emission-grid-v2express.html)
-    - [US GHG Center Data Intake Processing and Verification Report](https://us-ghg-center.github.io/ghgc-docs/processing_and_verification_reports/epa-ch4emission-grid-v2express_Processing%20and%20Verification%20Report.html)
+    ## Dataset Preparation & Disclaimer
+    All data provided in Earth.gov has been transformed from the original format (NetCDF) into Cloud Optimized GeoTIFF ([COG](https://www.cogeo.org/)). Careful quality checks are used to ensure data transformation has been performed correctly. The manuscript describing the gridded methane GHGI has been peer-reviewed, but is not part of the same annual expert and public review processes as the U.S. EPA National and State-level Inventory. Please see the following publications for details on how the data were created:
 
+    Maasakkers, J. D., McDuffie, E. E., Sulprizio, M. P., Chen, C., Schultz, M., Brunelle, L., Thrush, R., Steller, J., Sherry, C., Jacob, D. J., Jeong, S., Irving, B., & Weitz, M. (2023). A gridded inventory of annual 2012-2018 U.S. anthropogenic methane emissions. Environmental Science & Technology, 57(43), 16276-16288. https://pubs.acs.org/doi/full/10.1021/acs.est.3c05138
   </Prose>
 </Block>