'/home/jovyan/earth-analytics/data/crescent-mountain-fire'
| OBJECTID | agency | comments | active | mapmethod | datecurrent | uniquefireidentifier | fireyear | incidentname | pooownerunit | ... | incomplex | complexfirecode | mergeid | latest | modifiedon | createdon | temp | shape__Area | shape__Length | geometry | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 4119 | USFS | N | Infrared Image | 1540857600000 | 2018-WAOWF-000428 | 2018 | CRESCENT MOUNTAIN | WAOWF | ... | N | Y | NaN | NaN | NaN | 4.829164e+08 | 437074.605609 | MULTIPOLYGON (((-120.54069 48.48590, -120.5405... |
1 rows × 30 columns
Crescent Mountain Wildfire near Twisp, WA¶
The Crescent Mountain Fire started on July 29, 2018 approximately 20 miles west of Twisp WA, due to a lightning strike. Several other fires started nearby, which were managed by the same Incident Command team based out of Winthrop WA. The fire burned a total of 52,609 acres of heavily timbered mountain terrain. The area is know for its natural beauty and for the fruit orchards along the Methow river near its confluence with the Columbia River.
<xarray.Dataset>
Dimensions: (x: 158, y: 108, date: 41)
Coordinates:
band int64 1
* x (x) float64 -120.6 -120.6 -120.6 ... -120.3 -120.3 -120.3
* y (y) float64 48.5 48.49 48.49 48.49 ... 48.28 48.28 48.28 48.27
spatial_ref int64 0
* date (date) datetime64[ns] 2017-05-17 2017-06-02 ... 2022-08-21
Data variables:
NDVI (date, y, x) float32 0.0321 -0.0573 -0.0201 ... 0.8012 0.8027NDVI change over time 2017-2019¶
THis map shows the change in NDVI data from 2017 pre-fire, to 2019 post-fire. It is clear from the map that the fire caused significant impacts to the vegetation and forest health inside the fire boundary.
| geometry | |
|---|---|
| 0 | MULTIPOLYGON (((-120.60954 48.43019, -120.6095... |
( band spatial_ref NDVI
year
2017 1 0 0.675163
2018 1 0 0.631199
2019 1 0 0.447035
2020 1 0 0.501148
2021 1 0 0.517128
2022 1 0 0.497369,
band spatial_ref NDVI
year
2017 1 0 0.537322
2018 1 0 0.546438
2019 1 0 0.563249
2020 1 0 0.554804
2021 1 0 0.529473
2022 1 0 0.483290)
Significant Impact to Vegetation in Crescent Mountain Wildfire Burn Zone¶
The plot shows the difference in NDVI for the Crescent Mountain Fire burn area and its surrounding from 2017, before the fire through 2022, 4 years after the fire. The plot shows significant recovery of vegetation health, but still a marked disparity between pre-fire vegetation health and post-fire vegetation health.
<Axes: xlabel='year', ylabel='Difference in NDVI'>
Data Source¶
The data was collected by Nasa's Aqua MODIS platform, and accessed through the APPEEARS API. Didan, K. (2021). MODIS/Aqua Vegetation Indices 16-Day L3 Global 250m SIN Grid V061. NASA EOSDIS Land Processes Distributed Active Archive Center. Accessed 2023-10-05 from https://doi.org/10.5067/MODIS/MYD13Q1.061. Accessed October 5, 2023.
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