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Further updates to steps (#4932)
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minniewong committed Jan 16, 2024
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The OPERA surface water extent layer helps to highlight the refilled lake in shades of blue, indicating open water and partial surface water. The layer is designed to improve our understanding of the spatial and temporal variations of land inundation by surface water. It is currently unclear how long this lake will remain filled, but as of 19 December 2023 in the right image, the lake appears to be at a similar water level as the left image from 15 September.

Learn more at Earth Observatory's [Water Returns to Laguna de Acuelo](https://earthobservatory.nasa.gov/images/151836/water-returns-to-laguna-de-aculeo)
Learn more at Earth Observatory's [Water Returns to Laguna de Acuelo](https://earthobservatory.nasa.gov/images/151836/water-returns-to-laguna-de-aculeo).
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Tulare Lake in San Joaquin Valley, California, was once the largest freshwater lake west of the Mississippi River but feeder rivers were diverted for irrigation and municipal water use. Since the 1920s, the dry lake bed has been used to grow crops like almonds and tomatoes. The right "B" side shows how heavy rains caused the area to flood and re-fill.
Tulare Lake in San Joaquin Valley, California, was once the largest freshwater lake west of the Mississippi River but feeder rivers were diverted for irrigation and municipal water use. Since the 1920s, the dry lake bed has been used to grow crops like almonds and tomatoes. Drag the comparison slider to the right "B" side shows how heavy rains caused the area to flood and re-fill.
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Storm Ciarán hit northwestern France on 1 November 2023 and moved to Britain and western Europe on 2 November causing heavy rains and strong winds. This comparison of northwestern Tuscany shows 2 October 2023 on the "A" left side, and 3 November on the "B" right side. The "B" side shows flooded agricultural fields near the river banks in dark and light blue.
[Read more at Earth Observatory...](https://earthobservatory.nasa.gov/images/152051/flooding-in-tuscany)

Read more at Earth Observatory's [Flooding in Tuscany](https://earthobservatory.nasa.gov/images/152051/flooding-in-tuscany).
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"id": "surface_water_extent",
"type": "default",
"title": "Surface Water Extent",
"description": "Viewing near-global surface water extent at 30 meter resolution is available in Worldview!",
"description": "View near-global surface water extent at 30 meter resolution in Worldview.",
"backgroundImage": "",
"backgroundImageHover": "",
"readMoreLinks": [
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}
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