HazMapper @HazMapper
Open-access natural hazard mapping application in Google Earth Engine. Raising awareness of natural hazards around the world. hazmapper.org/hazblog Earth Joined February 2020-
Tweets187
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Followers344
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Following21
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Likes66
October flood woes along the #Niger and #Benue Rivers is clearly visible using #Sentinel2 imagery and the @HazMapper #rdNDVI algorithm. Contiguous red areas = loss of vegetation during #NigeriaFloods inundation. Explore yourself with the direct URL at cmscheip.users.earthengine.app/view/hazmapper…;
For those following the Oct 8-9 Las Tejerías landslide disaster in Venezuela, the @HazMapper +rdNDVI output clearly shows the shallow landslides and debris flows. Explore in HazMapper at cmscheip.users.earthengine.app/view/hazmapper…; and see @davepetley blog post-blogs.agu.org/landslideblog/…
A quick comparison of mapping landslides (August 2021 Nippes EQ in #Haiti) in the original HazMapper compared to the beta v1.1 which includes moving from TOA to SR Sentinel data and some additional cloud filtering techniques. #googleearthengine #gee #bigdata #naturalhazards
The rdNDVI metric is also useful for identifying vegetative stress from #flooding. Very cool to see researchers implement HazMapper for a flooding study in Afghanistan! Recent article from Atefi and Miura. Good stuff!! researchgate.net/publication/36…
Lots of #debrisflows initiating on the high topography around Emamzadeh Davod last week. A cloud is right over town in the latest #Sentinal2 image but still can see the track via link below. You'll see many more panning to the NW cmscheip.users.earthengine.app/view/hazmapper…;
Lots of #debrisflows initiating on the high topography around Emamzadeh Davod last week. A cloud is right over town in the latest #Sentinal2 image but still can see the track via link below. You'll see many more panning to the NW cmscheip.users.earthengine.app/view/hazmapper…;
When you’re trying to find the location of a vaguely described landslide and @HazMapper comes to the rescue to find it. Recent landslide in Quebec.
HazMapper Weekly Update #22 - April 2022 flooding and minor landsliding along the Mlazi (uMalzi) River, on the suburban fringe of Durban, South Africa.
Check out the @HazMapper pre-post GIF of the August 7, 2021, rainfall-induced landslide on Mt. Silabaku, Taiwan, and the resulting debris flow along the Yusui Stream. Inspiration from the new paper in the journal #Landslides by Che-Ming Yang and coauthors doi.org/10.1007/s10346…
Another large fire in New Mexico, this time the 100,000+ acre combined #CalfCanyonFire and #HermitsPeakFire, seen here as of April 28th #rdNDVI vegetation change map (reds = veg loss due to fire). Explore in @HazMapper at direct URL: cmscheip.users.earthengine.app/view/hazmapper…; @inciweb @SantafeNF
@HazMapper fire intensity proxy (#ndvi) map for the #McBrideFire near #Ruidoso, #NewMexico as of April 12, 2022, using #Sentinel2 imagery and #EarthEngine. The fire has caused several fatalities and destroyed more than 200 homes. Direct Hazmapper URL:cmscheip.users.earthengine.app/view/hazmapper…;
@HazMapper #NDVI change-detection result for the ongoing March #wildfires in central #Texas that are part of the #EastlandComplex. Fires are located between the cities of Cross Plains and Gorman. Warm colors = vegetation loss due to fire activity. @inciweb @TDEM
One year on from significant #landslide and debris flow events in Quang Tri Province, #Vietnam caused by the consecutive passage of multiple tropical cyclones. Explore with @HazMapper URL: cmscheip.users.earthengine.app/view/hazmapper…;
@HazMapper direct URL for event: cmscheip.users.earthengine.app/view/hazmapper…;
@HazMapper direct URL for event: cmscheip.users.earthengine.app/view/hazmapper…;
June 2021 #DebrisFlow and flooding near Santa Rosa de Osos, Antioquia, #Columbia. Red colors show vegetation loss due to transport and deposition of material on debris fan where the village is situated. #NaturalHazards #GEE #sentinel2
@HazMapper #rdNDVI result for May 2021 Mt. Nyiragongo lava flows, #DRCongo. Unfortunately, these resulted in the loss of life and destruction of > 1000 homes north of #Goma. Explore with the direct URL: cmscheip.users.earthengine.app/view/hazmapper…;
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