GregCocks, to Geology
@GregCocks@techhub.social avatar

The Atlantic Jigsaw Puzzle And The Geoheritage Of Angola

https://doi.org/10.1144/SP543-2022-301 <-- shared paper

photo, maps and cross section - geologic in the study area in a regional context
photos - late Cretaceous section from Salinas to Bentiaba, Angola
photo - geologic outcrop / cliffs, Namibe Province, Angola

luis_in_brief, to Futurology
@luis_in_brief@social.coop avatar

Cool combination of and field work to do .
https://press.coop/@Nature/112451626209475743

GregCocks, to worldwithoutus
@GregCocks@techhub.social avatar

How Accurate Are Existing Land Cover Maps For Agriculture In Sub-Saharan Africa? [metrics]

https://doi.org/10.1038/s41597-024-03306-z <-- shared paper

#GIS #spatial #mapping #remotesensing #earthobservation #Africa #SubSaharan #metrics #foodsecurity #agriculture #farming #crops #cropland #landcover #monitoring #quantative #datasources #statistics #geostatistics #accuracy #precision #model #modeling #Kenya #Malawi #Mali #Rwanda #Tanzania #Togo #Uganda #Zambia

Map showing the number of maps that predict cropland in each 10 m/pixel location. Panel A shows the maps in the context of the African continent while Panel B gives larger views of the maps (countries not to scale). Blue and red indicate regions of high or unanimous agreement between maps for the crop and non-crop classes, respectively. Yellow indicates regions of high disagreement between maps.
charts - Time series of 16-day MODIS MOD13A1.061 Terra Vegetation Indices averaged within (A) each country and (B) an administrative level 1 region, masked using each crop mask assessed in this study.
photo - farmer, Atsbi, Tigray, Ethiopia

pierre_markuse, to britishcolumbia
@pierre_markuse@mastodon.world avatar

🟠 Fires🔥 advancing near Fort Nelson, #BritishColumbia, #Canada 🇨🇦 May 12th, 2024 #Copernicus🇪🇺 #Sentinel-2🛰️ Full-size ▶️ https://flic.kr/p/2pR26yw #OpenData #SciComm #RemoteSensing Image is about 17 kilometers wide #FortNelson #fire #wildfire #BCFire @CopernicusEU @CopernicusECMWF @wildfirescience

CopernicusEU, to britishcolumbia
@CopernicusEU@respublicae.eu avatar

RT by @CopernicusEU: 🟠 Fires🔥 near Fort Nelson, #BritishColumbia, #Canada🇨🇦 May 11th, 2024 #Copernicus🇪🇺 #Sentinel-3🛰️ Full-size ▶️ https://flic.kr/p/2pQHGFY #OpenData #SciComm #RemoteSensing Image is about 271 kilometers wide #FortNelson #fire #wildfire #BCFire

[2024-05-12 18:49 UTC]

pierre_markuse, to britishcolumbia
@pierre_markuse@mastodon.world avatar

🟠 Fires🔥 near Fort Nelson, #BritishColumbia, #Canada🇨🇦 May 11th, 2024 #Copernicus🇪🇺 #Sentinel-3🛰️ Full-size ▶️ https://flic.kr/p/2pQHGFY #OpenData #SciComm #RemoteSensing Image is about 271 kilometers wide #FortNelson #fire #wildfire #BCFire @CopernicusEU @CopernicusECMWF @wildfirescience

archaeology, to Archaeology
@archaeology@mstdn.social avatar

Hidden Bronze Age settlements revealed in Serbian plains through satellite imagery

Satellite imagery has uncovered a network of more than 100 Bronze Age structures concealed in the expansive plains of Serbia, challenging previous assumptions about the region’s history...

More information: https://archaeologymag.com/2023/11/satellite-imagery-revealed-bronze-age-settlements-in-serbia/

Follow @archaeology

GregCocks, to Futurology
@GregCocks@techhub.social avatar

Satellite Imagery Covering Catchments Of Indian Himalayan River Basins Show Significant Changes In Glacial Lakes

https://www.thehindu.com/sci-tech/energy-and-environment/satellite-imagery-covering-the-catchments-of-indian-himalayan-river-basins-show-significant-changes-in-glacial-lakes/article68094828.ece <-- shared media article

https://www.isro.gov.in/Satellite_Insights_Expanding_Glacial_Lakes_Indian_Himalayas.html <-- shared technical article


@ISRO

map - glacial lakes and IHR basins, India Himalayas
photo - glacial lake in mountainous terrain in Indian Himalayan region
satellite images - The long-term changes in the Ghepang Ghat Glacial Lake area

archeaids, to science
@archeaids@mastodon.online avatar

Skin Walker Ranch mystery.

Yeah, right.

Same principle governs side-scan sonar & aerial photography. Whether sonar or sunlight, we can tell something is on the surface or in the air/water column by its shadow. A low angle light source with the shadow connected to the object means the object is on the surface.

GregCocks, to Battlemaps
@GregCocks@techhub.social avatar

Calculating NDVI In QGIS

https://www.northrivergeographic.com/calculating-ndvi-in-qgis/ <-- shared technical ‘how-to’

photo - hard wood forest in Tennessee in the autumn
screen shot - QGIS result part as part of NDVI analyses
screen shot - QGIS result part as part of NDVI analyses

GregCocks, to ireland
@GregCocks@techhub.social avatar

Archaeologists Reveal Hundreds Of Ancient Monuments Using LiDAR [Ireland]

https://www.heritagedaily.com/2024/04/archaeologists-reveal-hundreds-of-ancient-monuments-using-lidar/151775 <-- shared technical article

https://doi.org/10.15184/aqy.2024.39 <-- shared paper

[the first photo is Queen Maeve's Cairn, on the top of Knocknarea, near Sligo - so not in the study area, but one I have had the pleasure of hiking up to see]
#GIS #spatial #mapping #LiDAR #remotesensing #Ireland #earthobservation #archaeology #Antiquity #Baltinglass #CountyWicklow #hillfort #Neolithic #bronzeage #ancienthistory #prehistory #model #modeling #3dmodeling #elevation #cairns #monuments #cursus #worship #ritual #form #ceremony #morphology #geomorphometry

elevation / hillshade maps - he cursus monuments of Baltinglass, visualised using hillshade and Simple Local Relief Models
map - The Sruhaun cursus in context
map - Location of the Baltinglass landscape in Ireland

robintw, to python
@robintw@mastodon.me.uk avatar

Good set of posts here on the differences between odc-stac and stackstac for merging multiple STAC items into xarray datasets: https://discourse.pangeo.io/t/comparing-odc-stac-load-and-stackstac-for-raster-composite-workflow/4097

GregCocks, to geopolitics
@GregCocks@techhub.social avatar

The Widest-Ever Global Coral Crisis Will Hit Within Weeks, Scientists Say [remote sensing]

https://www.nytimes.com/2024/04/15/climate/coral-reefs-bleaching.html <-- shared media article

https://www.noaa.gov/news-release/noaa-confirms-4th-global-coral-bleaching-event <-- NOAA technical announcement

https://coralreefwatch.noaa.gov/ <-- NOAA Coral Reef Watch home page


@NOAA

photo - bleached coral
photos - bleached coral
global map - NOAA Coral Reef Watch 5km Bleaching Alert Area Maximum, 01/01/23 --> 04/10/24

SensingIberianscapes, to Geology
@SensingIberianscapes@archaeo.social avatar

Our project's website is now live!
Check out https://www.sensingiberianscapes.es to get a glimpse into our project, meet the team behind it, and stay in the loop with all our latest updates and activities!
#SensingIberianscapes #archaeogeophysics #arqueogeofisica #remotesensing #teledeteccion #geophysics #GPR #LiDAR #arqueologia #archaeology #archaeologicalprospection #prospeccionarqueologica #Ibers

GregCocks, to China
@GregCocks@techhub.social avatar

A National-Scale Assessment Of Land Subsidence In China’s Major Cities

https://doi.org/10.1126/science.adl4366 <-- shared paper

schematic / cross section - Associations between city subsidence and natural and human factors.
charts - Population living on subsiding urban lands
maps and chart - National pattern of city subsidence, China

llongour, to random
@llongour@mapstodon.space avatar

, a remote sensing laboratory based at the Institute of Technology of Cambodia in Phnom Penh, is organising a one-day conference dedicated to earth observation on 28 May. Talks and posters proposals and registrations are open until May 3!
For more information: https://kheobsday2024.sciencesconf.org

robintw, to random
@robintw@mastodon.me.uk avatar

Cool looking new STAC CLI - see https://github.com/stac-utils/stac-rs/tree/main/stac-cli

Lets you create STAC items, search STAC APIs, validate STAC items etc.

Written by @gadomski

SensingIberianscapes, to Arqueologia
@SensingIberianscapes@archaeo.social avatar

Welcome to our project, (CIDEXG/2022/55).

👇👇👇



CopernicusEU, to Canada
@CopernicusEU@respublicae.eu avatar

RT by @CopernicusEU: 🟠 Fire🔥 at a ruptured natural gas pipeline in West Alberta, #Canada🇨🇦 (Lat: 53.78, Lng: -116.94) - 16 April 2024 #Copernicus🇪🇺 #Sentinel-2🛰️ Full-size ▶️ https://flic.kr/p/2pKYT4v #OpenData #SciComm #RemoteSensing Image is about 5 kilometers wide #fire #pipeline #Edson

[2024-04-18 13:35 UTC]

pierre_markuse, to Canada
@pierre_markuse@mastodon.world avatar

🟠 Fire🔥 at a ruptured natural gas pipeline in West Alberta, 🇨🇦 (Lat: 53.78, Lng: -116.94) - 16 April 2024 🇪🇺 -2🛰️ Full-size ▶️ https://flic.kr/p/2pKYT4v Image is about 5 kilometers wide @CopernicusEU @CopernicusECMWF @m_parrington @wildfirescience

EOMasters, to Software
@EOMasters@mastodon.green avatar

📢 HEAR THE NEWS! 📢
🎉Version 10 of ESA_SNAP has been released! 🎉

https://step.esa.int/main/download/snap-download

pierre_markuse, to Mexico
@pierre_markuse@mastodon.world avatar

🟠 Fire🔥 in Oaxaca, 🇲🇽 (Lat: 16.07, Lng: -96.01) - 12 April 2024 🇪🇺 -2🛰️ Full-size ▶️ https://flic.kr/p/2pJXcmS Image is about 21 kilometers wide @CopernicusEU @CopernicusECMWF @wildfirescience @m_parrington

mzedp, to random
@mzedp@mas.to avatar

News to me: You can use Sentinel-2 data to measure methane emissions.

Now I just need to remember how to download the raw data and figure out how to run the calculations.

https://iopscience.iop.org/article/10.1088/1748-9326/ab7b99

cschrader, to philadelphia
@cschrader@jawns.club avatar

I’ve been here for a while, but I never actually did an post.

I live in , and work in with a background in , , , , and . These days, I spend a lot of time with , , and . I’m part of a nonprofit working to preserve safe greenspace in .

nightskyops, to GPS
@nightskyops@mastodon.social avatar

🔹 Geodata Is Beautiful 💥 Unveiling the Jaw-Dropping Secrets of Nighttime Flights and Bird Migration Through Tracking!









Video Credits: 422 South

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