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#sentinel

3 Beiträge2 Beteiligte0 Beiträge heute
Antwortete im Thread
Öffentlich
Busily
Yes. I fresh installed Sentinel from the github repo, I started, connected to my dojo successfully and then imported manually my wallets via #Ashigaru QR export watch only method.

Then I exit the app and the next few times all shows up correctly, but then suddenly the next time after a successful PIN unlock the Sentinel is empty, not a single collection is shown.

I have tested with and without pin, with other Dojo's, nothing.

Do you use #Sentinel in @GrapheneOS ??

I have heard that only happens to GrapheneOS users...
Öffentlich
Revesdespace

🛰️ La veille du séisme en Birmanie, le satellite #Sentinel-1A avait pris une image radar de la région. Quelques jours plus tard, Sentinel-1C en a repris une. Les 2 images combinées forment un interférogramme de la faille de Sagaing.
On voit les mouvements du sol (voir ALT)

Plus d'informations : esa.int/Applications/Observing

L'image est très colorée et se lit ainsi : chaque cycle complet de couleur, du cyan au jaune, puis au rouge, puis au bleu et enfin au cyan, représente un déplacement du sol d'environ 160 cm le long de la faille. Sur toute la ligne de faille, chaque cycle de couleur représente un déplacement du sol d'environ 28 mm. Ces franges impressionnantes illustrent les mouvements des différentes parties du sol, chaque côté de la faille se déplaçant dans des directions opposées – preuve évidente d'un glissement tectonique.
Öffentlich *
Spatialists

#Drought, Lake #Constance and #Sentinel-2: Switzerland has experienced an exceptionally dry period, with Lake Constance’s water levels dropping to their lowest in decades due to little rainfall and snowmelt from the Alps. Recent Sentinel-2 #earthobservation / #remotesensing data and gauging station records reveal...
spatialists.ch/posts/2025/04-0 #GIS #GISchat #geospatial #SwissGIS

spatialists.ch – geospatial newsDrought, Lake Constance and Sentinel-2 – spatialists.ch – geospatial news
Mehr von Spatialists
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💧🌏 Greg Cocks

Data In Action: The 2022 Hunga-Tonga Hunga-Ha′Apai Eruption - Altimetry Data And Models Help Us Understand How A Volcanic Eruption Generated A Tsunami
--
podaac.jpl.nasa.gov/DataAction <-- shared technical article
--
doi.org/10.1038/s43247-024-016 <-- shared paper
--
podaac.jpl.nasa.gov/dataset/JA <-- shared NASA dataset - Sentinel-6A MF Jason-CS L2 P4 Altimeter Low Resolution (LR) NTC Reduced Ocean Surface Topography F08
--
#GIS #spatial #mapping #earthobservation #remotesensing #fedscience #tonga #HungaTonga #HungaHaApai #eruption #volcanic #volcano #Pacific #marine #geology #engineeringgeology #risk #hazard #satellite #altimetry #data #model #model #spatialanalysis #Tsunami #risk #hazard #monitoring #coast #coastal #naturalhazard #Sentinel #sealevel #warning #earlywarning
@nasa

Öffentlich
💧🌏 Greg Cocks

Glacial Lake Mapping Using Remote Sensing Geo-Foundation Model
--
doi.org/10.1016/j.jag.2025.104 <-- shared paper
--
HIGHLIGHTS:
• Proposed U-ViT model based on Prithvi GFM for multi-sensor glacial lake mapping.
• Achieved an F1 score of 0.894 on Sentinel-1&2, surpassing CNNs scoring below 0.8.
• Maintains strong performance with 50% less training data, proving efficiency.
• Excels in detecting small lakes (<0.01km²) and handling clouds and complex terrains..."
#GIS #spatial #mapping #glaciallake #GeospatialFoundationModel #satellite #Sentinel #GaoFen #remotesensing #earthobservation #model #modeling #climatechange #glacial #glacier #melt #melting #UViT #deepleanring #AI #framework #performance #metrics #opensource

phot - glacier with glacial lake, Karakoram mountain range
Öffentlich
💧🌏 Greg Cocks

A Methodology For The Multitemporal Analysis Of Land Cover Changes And Urban Expansion Using Synthetic Aperture Radar (SAR) Imagery - A Case Study Of The Aburrá Valley In Colombia
--
doi.org/10.3390/rs17030554 <-- shared paper
--
#GIS #spatial #mapping #SyntheticApertureRadar #SAR #remotesensing #multitemporalanalysis #landcover #landcoverchange #clustering #kurtosis #fuzzylogic #kernelbasedmethod #machinelearning #spatialanalysis #spatiotemporal #geostatistics #model #modeling #AburráValley #Columbia #urban #urbanexpansion #population #growth #topography #monitoring #satellite #sentinel #valley #landuse #distribution #infrastructure #building #roads #naturalresources #environmental #conservation #monitoring #multitemporal

photo - looking down into Medellin, Aburrá Valley, Columbia from a surrounding high ground
annotated maps with imagery - Areas of analysis of the results by the SMA1 methodological route and kurtosis. (A). Central Park in Bello (B). Parques del Río Medellín (C). Arkadia Shopping center; (D). Peldar Plant (E). La García water supply reservoir (F). Conasfaltos dam (G). La Ayurá stream basin in Envigado (H). Central Park in Bello (I). Avenida Regional Norte (J). Vía Distribuidora Sur.
schematic / work flow - proposed methodology for analysis of zonal land cover changes
annonated maps - The Aburrá Valley (white line) between the valleys of the Magdalena and Cauca rivers. Data were acquired from ALOS PALSAR Terrain Corrected and data from IGAC.
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