Had an amazing time presenting our #eotides Python package at the global #FOSS4G conference in Auckland, NZ. Thanks for all the fascinating chats after the talk - it was genuinely inspiring to discover just how much the Venn diagram of #opensource + #coastal overlap! 🌊🤝🧑‍💻 Some top takeaways below! 👇

Mōrena, Good morning ☀️ Day 1! FOSS4G 2025 is finally here! We are full of smiles to welcome you to this year's global conference and to Tāmaki Makaurau, Auckland, NZ. Look out for our signs when you arrive at Auckland University of Technology. #osgeo #foss4g

✈️ Flying into NZ for #FOSS4G @foss4g.org - couldn't help but nerd out on all the beautiful tidal flats that surround Auckland. Here's a quick #DEAIntertidal tidal flat elevation map of Auckland’s Manukau Harbour, generated using #opensource code + satellite data loaded via #OpenDataCube and #STAC!

Last chance to register for free online attendance at the #AusYCSEC Young Coastal Scientists & Engineers Conference! Come along to hear lots of exciting coastal research happening across Australasia... plus a special new data announcement from Geoscience Aus in the opening session! 🤩🌊📷🛰️

Following up on this, here's an even cooler animation of the SWOT overpass! earthobservatory.nasa.gov/images/15466...

Happy National Science Week! 🎉 From the coast to the deep sea, IMOS Facilities like Acoustic Telemetry and Argo Floats are providing vital data to understand and protect marine life and ecosystems in a changing climate. Learn more 🔗 bit.ly/4mxjNVk #NationalScienceWeek2025 #NCRISImpact

Hey cool--this is one of the satellites I regularly bounce a laser off of. Nice to contribute to missions like this. :)

We’re just days away from the launch of #MetopSGA1! The upper composite housing the satellite has been transferred to the #Ariane6 launcher. 🚀 Are you ready? 🗓 Launch: 12 Aug 📍 Europe’s Spaceport, Kourou 🔗 Lift off scheduled at 21:37 local time (00:37 UTC, 02:37 CEST on August 13): bit.ly/4onryyV

Mosaic of desert fires, salt lakes and dunes. Great sandy desert Western Australia.

This is incredibly cool: NASA/CNES's SWOT satellite captured a live view of the leading edge of the tsunami formed by the 8.8 magnitude Kamchatka Peninsula earthquake! www.nasa.gov/missions/swo...

👉New paper: "Understanding #flood detection models across Sentinel-1 and Sentinel-2 modalities and benchmark datasets" 🌊This study presents a model generalization across different regions & satellite sensors. 📄 tr.ee/Understandin... 💻Code & models: github.com/kipoju/udl4fl #RemoteSensing

How do we track water flowing through rivers from space? This major review says: 1–3 day revisit. Resolution down to 30–100 m widths. Must include width, slope, & velocity. Flood forecasting + water management depend on it. #EarthObservation #RemoteSensing #WaterResources doi.org/10.1029/2024...

Fair play to #foss4guk 2025: I will be giving a presentation called "Remote Sensing Sucks". I have my opinions, but what gets you worked up about modern EO and RS? It could be anything at all. Let me know and I might reference it in the slides :-) #earthobservation #geospatial #gis #rssucks

Wonderful to be at #IGARSS2025 in Brisbane! 🛰️Hopefully a nice Take 2 from my first IGARSS in Pasedena, CA where I spent half of the conference locked up in COVID hotel quarantine!

🛰️ As many in the Earth community know, NASA's Terra and Aqua satellites are soon to be decommissioned because they are past their designed life. Part of the process involves changing their orbits thus their overpass time. go.nasa.gov/44X3QSk 1/3

☁️ Clouds in the spotlight at #LPS2025! The Algorithm Intercomparison Exercises session is on—an essential part of EO processing. Jan Wevers presents our work on CMIX-II, the ESA–NASA initiative comparing cloud detection methods for 10–30 m sensors. #CMIX #EOAlgorithms #CloudMasking #EarthObservation

Algal vortex in The Baltic Sea. Image taken by Landsat-8 on July 18, 2018.

I've been waiting a few years for this: Zarr v2 support was just launched in Google Earth Engine! Check out this demo that loads ARCO-ERA5 into GEE 🔥 code.earthengine.google.com/67ac1e48848d... developers.google.com/earth-engine...

Wow, today is just full of pleasant geospatial treats made for me. I just found out about xarrayvideo, which uses ffmpeg as a video codec to store EO/Climate/Weather data! arxiv.org/abs/2506.19656

Had an amazing time at #LPS25 this week, where @esaearth.esa.int unveiled the first images from the Biomass satellite. Read our story with @esmestallard.bsky.social and see the stunning new images for yourself:

Recently, I taught a session on landscape metrics in R—covering how to quantify spatial patterns in landscapes. 🌾📊 Slides + exercises here: 🔗 jakubnowosad.com/rgis2025/out... #rGIS2025 #rstats #LandscapeMetrics #GIS #rspatial

This week experts gathered in Nice for the UN Ocean Conference. In our new article we highlight the role of satellite data in supporting ocean science 🌊 Dr Thomas Jackson explains how Sentinel-3 imagery helps identify/monitor algal blooms & how they are powerful indicators of change: bit.ly/4jQecrc

Come chat about quolls, puns, and finding any excuse to draw animals for science at my poster at #ICCB2025 Monday at 4:30 PM - 6:00 PM in Great Hall 3 & 4 See you there!

👀👀 "The #Landsat Next project is currently assessing alternate mission architectures to support more affordable ways to maintain the continuity of Landsat imagery per the language in the FY26 President’s Budget Request (PBR). Updates will be forthcoming." landsat.gsfc.nasa.gov/satellites/l...

🧪🛰️🔥🧊 Smoke over the pole? Maybe, first its detection is difficult but it can be done. Regular visible image do not show it unless it is super thick (where a regular white cloud would look brown or even black). In this case, regular visible image does not show any indication of it. But ... 1/n

Southern part of Lake Eyre in Australia. Multispectral image taken by Sentinel-2 on May 31, 2025. @satellitesci.bsky.social 😊🎨 bsky.app/profile/kosm...

As the ocean warms, conditions become less habitable for corals in the tropics, but some higher latitude seas might become more conducive to coral reef formation. Coral larvae can drift over large distances by ocean currents, so it is possible for coral reefs to shift polewards. (5/16)

Can tropical corals find refuge at higher latitudes under future warming? In our new paper in Science Advances, we argue that coral range expansion will be *far too slow* for most coral species to outpace climate change. 🪸🌊 www.science.org/doi/10.1126/... A short 🧵 (1/16)

What's going on here? 1. In the 1980s/90s the beach was still very narrow (dark lines), affected by sand starvation caused by extension of the Tweed River breakwaters, completed in the 1960s. 2. By the 2000s (pink lines) the beach was much wider, fed by the Tweed River sand bypass completed in 2001.

The surfing beach at 'Surfers Paradise' is now largely artificial. Here's the 'Narrow Neck' coastlines since 1988 via @satellitesci.bsky.social's system. Note dark lines == the oldest! maps.dea.ga.gov.au#share=s-msYU...

Landsat 7 received its fina commands yesterday, ending a 25-year long mission of discovery. 🧪🛰️ www.usgs.gov/landsat-miss...

Had a fantastic time presenting our new #eotides tide modelling Python package at #CoasttoCoast2025 - couldn't have asked for a more relevant coastal setting than the City of Gold Coast, still recovering from the impacts of #CycloneAlfred!

🚀 Leafmap now supports creating layer groups! 🎉 Easily manage the visibility of multiple layers at once—perfect for toggling them on or off with just a click. Check it out! 👉 github.com/opengeos/lea... #geospatial #Leafmap #MapLibre #opensource

USGS, which operates the Landsat satellites, just announced that Landsat 7 was officially decommissioned today. Landsat 8 and 9 continue operations. www.usgs.gov/news/nationa...

A trick for fitting world maps on phones: Stack two azimuthal equal-area projections, clipped at 90° longitude, each one rotated 180° from the other. The bottom map covers the top's Antarctica, which reduces the total height and looks nice. As seen in www.nytimes.com/2025/04/25/c...

Excited to share a new paper in @joss-openjournals.bsky.social: "eo-tides: Tide modelling tools for large-scale satellite Earth observation analysis" 🌊🛰️ A new #opensource Python package designed to help combine satellite data with ocean tide modelling! joss.theoj.org/papers/10.21...

I'm looking for any info about how & why it was decided to use the Space Shuttle do create SRTM in 2000 A few questions I have: - How of the world had we mapped in 3D before 2000? - Why the Space Shuttle over a dedicate satellite (or pair of satellites) - How the data was processed

Interested in extracting EO 🛰️ time-series at multiple plot regions? @plottosat.bsky.social makes it easy Follow us for updates, research and news! Paper: www.sciencedirect.com/science/arti... Code: #EO #forest #ML #time-series Tutorial: www.youtube.com/watch?v=ItaZ... #EO #forest #ML #time-series

Lake Eyre in Australia filling up with water. Images taken by Sentinel-2 between April 21 and today. @satellitesci.bsky.social 😊💧

New #DEACoastlines annual shoreline data for 2024 is now live! 🌊🛰️🎉 2024 was a relatively stable year for coastal change across Australia, with mostly moderate and balanced rates of growth and retreat across our coastline. Interactive map: maps.dea.ga.gov.au/story/DEACoa...

New Biogeosciences paper on geographic and seasonal patterns of photosynthesis across African tropical forests using satellite-measured chlorophyll fluorescence. Results highlight distinctive environmental drivers of productivity in West vs. Central Africa. @egu.eu bg.copernicus.org/articles/22/...

Sediments at the coast of Australia. Image taken today by Sentinel-2.

The Danish island of Anholt. Image taken by Sentinel-2 on April 1, 2025.

Also this one of folks doing earth observation awesomeness: bsky.app/starter-pack...

In case you weren’t aware, you’re in this interesting “starter pack” : go.bsky.app/4PMRhNL

Calcium carbonate suspended in the shallow waters of The Bahamas. Image taken by Sentinel-2 on Feb. 10, 2025.

📣Our global 🌍 overview of usable Landsat and Sentinel-2 🛰️ data now comprises also information from 2024! The complete 1982-2024 dataset can be browsed via a #GEE app: tinyurl.com/322e63p2 and downloaded from here: doi.org/10.5061/drya...

The @foss4g.org 2025 conference website is live! And I'm leading sponsorship, so if you'd like your company's logo up there on that website showcasing your support for the open geospatial community, then please get in touch! Check it out: 2025.foss4g.org

⏰𝗥𝗲𝗺𝗶𝗻𝗱𝗲𝗿⏰ The #Sentinel-2A extension campaign begins in 𝘁𝘄𝗼 days, improving the global revisit frequency of the Sentinel-2 constellation. Particularly beneficial for observing tropical regions in Africa and South America with high #cloud cover. buff.ly/lTEENhP #earthobs #remotesensing

Beautiful mangrove forests and intertidal mudflats stretching across the deeply embayed Saint George Basin in Australia's remote and rugged Kimberley Region. #Sentinel2 Analysis Ready Data from #DigitalEarthAU: maps.dea.ga.gov.au#share=s-aD1Y...