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Release v4.35.0 to main
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config/default/common/config/metadata/layers/oci/OCI_PACE_Chlorophyll_a.md
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The Chlorophyll a layer provides the near-surface concentration of chlorophyll a in milligrams of chlorophyll pigment per cubic meter (mg/m<sup>3</sup>) in the ocean. | ||
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The Chlorophyll a product is available from the Ocean Color Instrument (OCI) aboard the PACE satellite. The sensor resolution is 1.2 km, imagery resolution is 1 km, and the temporal resolution is daily. | ||
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References: [PACE_OCI_L2_BGC_NRT](https://cmr.earthdata.nasa.gov/search/concepts/C2910373790-OB_CLOUD.html); PACE_OCI_L2_BGC [doi:10.5067/PACE/OCI/L2/OC_BGC/V1](https://doi.org/10.5067/PACE/OCI/L2/OC_BGC/V1) |
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config/default/common/config/metadata/layers/oci/OCI_PACE_True_Color.md
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These images are called true-color or natural color because this combination of wavelengths is similar to what the human eye would see. The images are natural-looking images of land surface, oceanic and atmospheric features. The downside of this set of bands is that they tend to produce a hazy image. | ||
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The sensor resolution is 1.2 km, imagery resolution is 1 km, and the temporal resolution is daily. | ||
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References: [PACE_OCI_L2_SFREFL_NRT](https://cmr.earthdata.nasa.gov/search/concepts/C2910373807-OB_CLOUD.html); PACE_OCI_L2_SFREFL [doi:10.5067/PACE/OCI/L2/SFREFL/V1](https://doi.org/10.5067/PACE/OCI/L2/SFREFL/V1) |
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### About OCI | ||
The Ocean Color Instrument (OCI) is a spectrometer used to measure intensity of light over portions of the electromagnetic spectrum: ultraviolet (UV), visible, near infrared, and several shortwave infrared bands. It will enable continuous measurement of light at finer wavelength resolution than previous NASA ocean color sensors, providing detailed information on the global ocean. The color of the ocean is determined by the interaction of sunlight with substances or particles present in seawater such as chlorophyll, a green photosynthetic pigment found in phytoplankton and land plants. | ||
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### About PACE | ||
[PACE](https://pace.gsfc.nasa.gov/) is NASA's Plankton, Aerosol, Cloud, ocean Ecosystem mission. The mission carries the Ocean Color Instrument (OCI), the Spectro-Polarimeter for Planetary Exploration (SPEXone), and the Hyper Angular Research Polarimeter (HARP2). OCI,PACE’s primary instrument, is an optical spectrometer that measures the intensity of light over portions of the electromagnetic spectrum. SPEXone and HARP2 are multi-angle polarimeters and they will be used to measure how the oscillation of sunlight within a geometric plane - known as its polarization - is changed by passing through clouds, aerosols, and the ocean. Measuring polarization states of UV-to-shortwave light at various angles provides detailed information on the atmosphere and ocean, such as particle size and composition. PACE will cover the entire globe every two days and at a spatial resolution of 1.2 km. | ||
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config/default/common/config/metadata/stories/surface_water_extent/step001.md
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Starting in April 2023, near-global dynamic surface water extent (DSWx) at 30 meter resolution is available in Worldview through the Observational Products for End-Users from Remote Sensing Analysis (OPERA) project. The Level-3 product maps surface water every few days. Based on Harmonized Landsat Sentinel-2 (HLS) inputs, the water (WTR) layer has 5 classes: Not Water, Open Water, Partial Surface Water, HLS Snow/Ice, and HLS Cloud/Cloud Shadow. DSWx-HLS currently includes data from NASA/USGS Landsat 8, ESA Sentinel-2A and Sentinel-2B. | ||
Since April 2023, near-global Dynamic Surface Water eXtent (DSWx) at 30 meter resolution has been available in Worldview through the Observational Products for End-Users from Remote Sensing Analysis (OPERA) project. The Level-3 product maps surface water every few days. Based on Harmonized Landsat Sentinel-2 (HLS) inputs, the water (WTR) layer has 5 classes: Not Water, Open Water, Partial Surface Water, HLS Snow/Ice, and HLS Cloud/Cloud Shadow. DSWx-HLS currently includes data from NASA/USGS Landsat 8, and ESA Sentinel-2A and Sentinel-2B satellites. |
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config/default/common/config/metadata/stories/surface_water_extent/step002.md
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The Laguna de Aculeo is a two hours' drive from Santiago, Chile and was a long-time popular summer vacation spot for boating, swimming, and water skiing. A combination of nearby population growth, purchasing of water rights for agriculture, and drought caused the shallow lake to go dry in 2018. This true-color reflectance image of 18 May 2023 from HLS Landsat 8 satellite shows a dry lake bed in shades of brown in the center of the view. | ||
The Laguna de Aculeo is a two-hour drive from Santiago, Chile and was a long-time popular summer vacation spot for boating, swimming, and water skiing. A combination of nearby population growth, purchasing of water rights for agriculture, and drought caused the shallow lake to go dry in 2018. This Landsat 8 true-color reflectance image from 18 May 2023 shows a dry lake bed in shades of brown in the center of the view. |
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config/default/common/config/metadata/stories/surface_water_extent/step004.md
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The OPERA water layer highlights the refilled lake in dark blue where open water dominates each satellite measurement, and light blue where the satellite measurement includes mixtures of water, soil, or vegetaion, or is particularly shallow (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 20 December 2023 in the right image, DSWx-HLS indicates the lake water level is slightly higher than at the time of the left image from 15 September. | ||
The OPERA water layer highlights the refilled lake in dark blue where open water dominates each satellite measurement, and light blue where the satellite measurement includes mixtures of water, soil, or vegetation referred to as partial surface water. The water 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 20 December 2023 in the right image, DSWx-HLS indicates the lake water level is slightly higher than at the time of the left image from 15 September. | ||
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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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config/default/common/config/metadata/stories/surface_water_extent/step005.md
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Each summer, the Indus River Valley receives heavy monsoon rains that contribute to the appearance of extensive surface water. These false-color reflectance HLS images from Landsat 8 show open water in black to dark blue hues. The left image is from 3 May 2023, before the monsoon rains, and the right side is from 7 August 2023. Swiping the bar back and forth suggests the extent of floodwaters along the riverbanks and in the surrounding region. | ||
Each summer, the Indus River Valley receives heavy monsoon rains that contribute to the appearance of extensive surface water. These false-color reflectance HLS images from Landsat 8 show open water in black to dark blue hues. The left image is from 3 May 2023, before the monsoon rains, and the right side is from 7 August 2023, after monsoon rains. Swiping the bar back and forth shows the extent of floodwaters along the riverbanks and in the surrounding region. |
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config/default/common/config/metadata/stories/surface_water_extent/step007.md
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The Kakhovka Dam, along the Dnieper River in Ukraine was breached on 6 June 2023. The left image is from 5 June 2023, and shows the filled Kakhovka Reservoir in the right portion of the view. The right image is from 5 July 2023 and shows the drained reservoir. Turn the OPERA surface water extent layer on and off using the eye icon in the layer list to see that the reservoir is no longer full of water, and is mostly exposed ground. | ||
The Kakhovka Dam, along the Dnieper River in Ukraine was breached on 6 June 2023. The left image is from 5 June 2023, and shows the filled Kakhovka Reservoir in the right portion of the view. The right image is from 5 July 2023 and shows the drained reservoir. Turn the OPERA surface water extent layer on and off using the eye icon in the layer list to see that the reservoir is no longer full of water, and is mostly exposed dry ground. | ||
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config/default/common/config/metadata/stories/surface_water_extent/step008.md
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Zooming in closer, it is evident that the dam was breached. Swipe the bar back and forth to compare the amount of water in the reservoir between 5 June 2023 and 4 August 2023. The right image shows the bright exposed soil given the drained reservoir. | ||
Zooming in closer, it is evident that the dam was breached. Swipe the bar back and forth to compare the amount of water in the reservoir between 5 June 2023 and 4 August 2023. The right image shows the bright exposed dry ground given the drained reservoir. |
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config/default/common/config/metadata/stories/surface_water_extent/step009.md
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Tulare Lake in San Joaquin Valley, California, was once the largest freshwater lake west of the Mississippi River before 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 swipe bar to the left to show the DSWx-HLS water class colors emphasize 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 before 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 swipe bar to the left to show the DSWx-HLS water class colors emphasize how heavy rains from a train of atmospheric rivers in late 2022 and early 2023 caused the area to flood and re-fill. |
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config/default/common/config/wv.json/layers/oci/OCI_PACE_Chlorophyll_a.json
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{ | ||
"layers": { | ||
"OCI_PACE_Chlorophyll_a": { | ||
"id": "OCI_PACE_Chlorophyll_a", | ||
"description": "oci/OCI_PACE_Chlorophyll_a", | ||
"tags": "ocean color oci pace plankton", | ||
"group": "overlays", | ||
"layergroup": "Chlorophyll a", | ||
"wrapadjacentdays": true | ||
} | ||
} | ||
} |
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config/default/common/config/wv.json/layers/oci/OCI_PACE_True_Color.json
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{ | ||
"layers": { | ||
"OCI_PACE_True_Color": { | ||
"id": "OCI_PACE_True_Color", | ||
"description": "oci/OCI_PACE_True_Color", | ||
"tags": "natural color oci pace plankton ocean", | ||
"group": "baselayers", | ||
"layergroup": "Corrected Reflectance", | ||
"wrapadjacentdays": true | ||
} | ||
} | ||
} |
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config/default/common/config/wv.json/layers/tempo/TEMPO_L2_Ozone_Cloud_Fraction_Granule.json
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{ | ||
"layers": { | ||
"TEMPO_L2_Ozone_Cloud_Fraction_Granule": { | ||
"id": "TEMPO_L2_Ozone_Cloud_Fraction_Granule", | ||
"title": "Ozone (Daily, Cloud Fraction)", | ||
"subtitle": "TEMPO_L2G_O3_CF_LNK, Best Available, TEMPO", | ||
"tags": "", | ||
"group": "overlays", | ||
"layergroup": "Granules", | ||
"type": "granule", | ||
"period": "subdaily" | ||
} | ||
} | ||
} |
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