Season’s greetings from above the Arctic. Fractured sea ice and snow-covered terrain in the Nares Strait between Greenland and Ellesmere Island. Warm wishes to everyone in our community, and thanks for another year of collaboration, curiosity, and shared enthusiasm for Earth observation!

Windstreaks are common on Mars, but rare on Earth. Patagonia is one of those exceptions: dried-out volcanic maars in the Pali-Aike field act as sediment sources, forming long streaks shaped by persistent winds. Visit the #BCEarthGallery to learn more: 👉 bit.ly/44rt76v #Geomorphology #RemoteSensing

New #BCEarthGallery blog post: Sentinel-2 reveals impressive internal wave packets in the Celebes Sea, stretching over hundreds of kilometers. Find out what these waves mean for ocean dynamics and navigation: 👉 bit.ly/4psF5Fo #InternalWaves #CelebesSea #RemoteSensing #Sentinel2 #Oceanography

We will be delivering the next @geoaquawatch.bsky.social webinar on 11 December showing you how #xcube software helps unify and explore fragmented datasets found across platforms and formats. #datastores #analysisreadydata #interactive How to join: www.geoaquawatch.org/future-geo-a...

Kerstin Stelzer and Carsten Brockmann are at #IOCS2025 in Darmstadt. Great keynotes and lightning talks so far — the first poster session already started, including our sen2water poster (No. 13). #OceanColour #RemoteSensing #Copernicus

Supraglacial lakes, rivers, and channels on the 79°N Glacier reveal how surface melt reshapes one of Greenland’s largest ice shelves. A striking “Onion Lake” stands out in recent #Sentinel2 imagery. Read our new #BCEarthGallery post: 👉 bit.ly/4pEfEAn #Greenland #RemoteSensing #Glaciers

We're thrilled to be involved in this ESA project and can't wait to see you tomorrow! Be sure to register for free to the Community Webinar! 👉 bit.ly/43Qnui1

Our 250𝘁𝗵 #BCEarthGallery post — still amazed by Earth’s artistry! 🌍 🎉 #Sentinel2 reveals mysterious milky-blue swirls on the Great Bahama Bank — a natural artwork still puzzling scientists. 🌊🌀 Beauty and mystery, seen from space. Read the full article: 👉 bit.ly/3JaL9T8 #EarthObservation #FromSpace

New #BCEarthGallery blog post: Exploring Wyoming’s 100-km arc of ancient sand dunes. Sentinel-2 reveals the full dune belt and detailed views of active and dormant formations, striking in imagery. Read the full post: 👉 bit.ly/3LMOXuE #Wyoming #SandDunes #RemoteSensing #Sentinel2 #EarthObservation

Interested in lake restoration? Let us share with you our nutrient recovery and reuse solutions. Apply until 30 November to become an "accociate region" of the @horizoneu.bsky.social @ferroproject.bsky.social for 2-year funding enabling you to apply FERRO solutions. 💦 ferroproject.eu/open-call

High in the Arctic, the glaciers of 𝗦𝗲𝘃𝗲𝗿𝗻𝗮𝘆𝗮 𝗭𝗲𝗺𝗹𝘆𝗮 display banded patterns that record centuries of ice formation and atmospheric dust — a frozen chronicle of climate history, seen from space. Visit our new #BCEarthGallery post: 👉 bit.ly/443pcfN #Glaciers #Arctic #EarthObservation #Cryosphere

4 weeks left to apply for the @ferroproject.bsky.social funding call to co-develop with the FERRO team a 2-year action plan for #nutrient recovery and reuse in your local (or not!) #eutrophic lake. #circulareconomy ⛵Apply here by 30 November ferroproject.eu/open-call

From space, the lakes near Bluenose Lake in Nunavut gleam in shades of turquoise and deep blue. Remote yet stable, they offer scientists a rare glimpse into pristine Arctic ecosystems. Visit our new #BCEarthGallery article: 👉 bit.ly/438EEXM #Arctic #RemoteSensing #EarthObservation #ClimateScience

🚀 SNAP v13 released! Five months after v12 and SNAP’s 10th anniversary, ESA’s Sentinel Applications Platform gets a new major version. 👉 step.esa.int/main/downloa... Try also SNAPISTA, the interactive environment for SNAP scripting with Python. 👉 bit.ly/3JDriMx #SNAP #ESA #EO #Copernicus

🚀 xcube v1.12.0 is here! 🎉 Big updates: New xcube DataStore and Server & Viewer features + fixes: JPEG2000 support, smarter preload handling, improved metadata, and fresh Viewer visuals. 🔗 Learn more: Documentation: bit.ly/3L8TDuD GitHub: bit.ly/47qH8Sm #xcube #Python #OpenSource #EOData

As chlorophyll fades, autumn paints the forests in gold, orange, and red — pigments revealed and created by nature’s chemistry. See how Sentinel-2 tracks this change across Alaska’s boreal landscape. Read more in the full #BCEarthGallery post: 👉 bit.ly/4nWdKuq #Sentinel2 #AutumnColors #EOData

Iceland’s Ok volcano once carried its own glacier — Okjökull. Today, only snow remains, vanishing each summer. See how Sentinel-2 captures its changing face and the story of a glacier that’s gone. Read more in our #BCEarthGallery: 👉 bit.ly/3JeE3wI #Iceland #Glacier #Sentinel2 #ClimateChange #EOData

A vast algal bloom has appeared off Vancouver Island and Washington State — stretching over 300 km! Satellite images show stunning turquoise hues and hint at both harmless and toxic species. Read more in our new #BCEarthGallery blog post: 👉 bit.ly/473Zs5b #Phytoplankton #Copernicus #EarthObservation

Kerstin Stelzer presents Copernicus Land & Marine Services at the Sentinel-2 Validation Team Meeting at ESA/ESRIN in Frascati 🇮🇹 — sharing success stories of water quality products from Sentinel-2 data. #Sentinel2 #Copernicus #WaterQuality #EO

Tuesday's #BiDS25 tutorial by the ESA EOPF Sentinel Zarr Samples Service introduced a full room of users to cloud-native EO workflows with STAC, pySTAC-client, xarray, Dask, and Julia. The discussion during and after the event was captivating! eopf-sample-service.github.io/EOPF-Zarr-BI...

We are at #BiDS25 this week in Latvia and co-hosting a tutorial called 'EOPF Sample Service - Getting Started with Zarr' today (and a #hackathon tomorrow). Find the tutorial material in this repo: github.com/EOPF-Sample-... 📣 More info on Big Data from Space 2025: www.bigdatafromspace2025.org

If you wish to build analysis-ready #Sentinel-3 data cubes, why not try this newly published #JupyterNotebook? It demonstrates how to use the #xcube-eopf plugin for data analysis. #Zarr format #EOPFSampleService project #datacubes eopf-sample-service.github.io/eopf-sample-...

🌳🌲 Join @esaclimate.bsky.social #ClimateChangeInitiative visualisation competition 'Forests in a Changing Climate' for chance to win a tour of ESA’s #EarthObservation Centre in Italy! 💻 Online training to guide participants on 24.09.2025. Register & more: tinyurl.com/4a84wkak

A swirl with an eye and a nose? Nope, not weather—just river sediment in Yana Bay, seen by Sentinel-2. Nature sketches its own cartoons in one of the Arctic’s remotest deltas. Explore the full story in our new #BCEarthGallery article! #Sentinel2 #YanaBay #LaptevSea #Arctic 👉 bit.ly/4n6ne67

Let's introduce our gapfilled Surface Soil Moisture data set! Data gaps can arise from missing satellite overpasses and are an obstacle for machine learning analysis. Based on multi-satellite observations, researchers produced long-term gap-free climate data records, enabling holistic analysis.

Zoom in on your climate data 🎯 Try these Toolbox functions and focus on what matters to you: 📈 Time Series Analysis: Track changes at specific points ✂️ Region Cutting: Focus on custom areas for instant visuals Explore now: esa-climate-toolbox.readthedocs.io/en/latest/ap...

Cloud dynamics over the Sahara: Sentinel-2 captured a vast convective system (≈42,000 km²) with a 380 km outflow boundary. These arcs can even trigger dust storms like haboobs. #Sentinel2 #Sahara #Clouds #RemoteSensing #Haboob Read more in our new #BCEarthGallery blog post: 👉 bit.ly/3JYqcL4

Created 55 years ago, Iraq’s Lake Razzaza now tells a vivid story in colour — changing shades, exposed sands, and seasonal extremes. Explore its beauty and see how its colours and shape shift through time in our new #BCEarthGallery article! #EarthObservation #Lakes #WaterColour 👉 bit.ly/4pfyL4c

Nature’s own beauty generator: tides, winds and coastal shapes combine off Argentina’s Valdés Peninsula, creating breathtaking swirls captured by Sentinel-2. 🌀🌊 #EarthObservation #Sentinel2 #EarthArt #PlanetBeauty Find out more on our new #BCEarthGallery blog! 👉 bit.ly/4mJjVRP

The Barnes Ice Cap, Canada’s last trace of the Laurentide Ice Sheet, is vanishing. Up to 20% of its mass are already lost in just 125 years. Ancient ice covering 6,000 km², 20,000 years old, melting away in real time. Discover our new #BCEarthGallery blog! 👉 bit.ly/45ZWldM #ClimateCrisis #Arctic

🌍 Excited for #BiDS25 in Riga! 📅 29/09 Tutorial | 30/09 Hackathon Supported by our colleague Konstantin Ntokas, the EOPF Zarr Hackathon dives deep into #CloudNative #EO with #Zarr, STAC, Dask, Julia & more. 👉 Register here: bit.ly/4oYOJ2P

Nature reveals its beauty: Sentinel-2 captured lenticular clouds encircling the towering Klyuchevskaya Sopka #Volcano in #Kamchatka. Soon after, Sentinel-3 observed a fresh Strombolian eruption breaking through dense cloud cover. Explore the sequence on our #BCEarthGallery blog! 👉 bit.ly/4lwINeh

🌊 This July, an extensive algal bloom spread across the Baltic Sea, clearly visible from space thanks to fewer clouds than last year. Our #BCEarthGallery blog shows striking satellite images from 18 and 21 July. #BalticSea #AlgalBloom #EarthObservation #OceanColour 👉 bit.ly/4mvzJYE

Save the date! 💦 21 August at 13:00 CEST: the four sister @ec.europa.eu projects FutureLakes, ProCleanLakes, EUROLakes and @ferroproject.bsky.social will host a webinar on "Innovations in #LakeRestoration". 💦 Register here and join us online for a great webinar forms.office.com/e/XrSgXJNrzD

The 2025 @esa.int #LivingPlanetSymposium was in Vienna, with 6500+ registrations! We showcased our progress in cloud-native processing, modular workflows & scalable analysis-ready EO data services through tutorials, demos, oral and poster presentations. 🛰️ www.brockmann-consult.de/lps25-event-...

Fostering circular management of eutrophication by integration of hydrobiology, remote sensing, biotechnology, engineering and agriculture to #restorelakes in Europe. This is the @horizoneu.bsky.social @ferroproject.bsky.social - watch our video on YouTube! 🎬 www.youtube.com/@FERROProject

New #BCEarthGallery blog post: Sediment dynamics in the Thames & Wash estuaries seen from space—how tides, rivers, and glacial history shape and what satellites capture as brown plumes, dark mudflats, or milky patches. Read more here: 👉 bit.ly/3IXJzDn 🌊🛰️ #EarthObservation #Sentinel2

A nearly perfect 8 km ring of rock in Russia’s Far East – Kondyor Massif is no crater or volcano, but the frozen top of an ancient magma plume. See how Sentinel-2 captures its snow-covered peaks. Read about its mineral-rich core in our new #BCEarthGallery blog post! 👉 bit.ly/44woGaY

🌊🌍 Our colleague Jorge García is in Venice 🇮🇹 for the #FRM4SOC training on Ocean Colour Radiometry — 2 weeks of hands-on science at San Servolo Island + the Acqua Alta Oceanographic Tower 🌅 This training brings together experts from all over the 🌐 #OceanColour #RemoteSensing #Copernicus #Radiometry

Sentinel-2 shows the Tłı̨chǫ Winter Road winding across frozen lakes to Gamèti — 80 km of ice through the boreal north. Near-infrared reveals what the eye can’t see: a seasonal highway linking remote lives in Canada’s Northwest Territories. Image & story in our #BCEarthGallery: 👉 bit.ly/3GIi7ZF

Bright red structures were spotted in Dongsha Atoll’s lagoon on 19 May, captured by #Sentinel-2. Likely an intense algal bloom—more vivid than any seen before. Similar features appeared faintly only three times since 2020. This year: four clear sightings. Visit our #BCEarthGallery: 👉 bit.ly/4nAOn1m

Ralf Quast’s paper presented at #LPS25 has now been published in Remote Sensing of Environment! Title: "Monte Carlo uncertainty analysis from TOA reflectance to plant functional type distributions" Free access via this Share Link (valid till Aug 22, 2025): 🔗 authors.elsevier.com/a/1lN5Y7qzT7...

Thank you to ESA and the entire #EO community for making #LPS25 such an inspiring event! 🌍 We're grateful for the opportunity to share our work and connect with so many brilliant minds. Let's continue to collaborate for the benefit of our planet! 💚 #EarthObservation #RemoteSensing #ClimateAction

Carolien Toté (VITO Remote Sensing, Belgium) showed at #LPS25 how the #Sentinel3 Synergy product supports the ESA #ClimateChangeInitiative. It improves key Essential Climate Variables like Land Cover and Burnt Area — boosting long-term climate monitoring. #EO #RemoteSensing #ECV #LPS25

🛰️ Ralf Quast presents work on an end-to-end uncertainty budget for ESA’s MR Land Cover product, using Sentinel-3 OLCI over Africa’s Sudano-Sahel zone. His paper on Monte Carlo uncertainty analysis is accepted in Remote Sensing of Environment! 📈 #LPS25 #LandCover #EOScience #Uncertainty #Sentinel3

Those who missed the exchange session on ACIX, CMIX and RAMI will have another chance to gain insight into the status of CMIX-II, which will be presented by Jan tomorrow at 8.30am.

🧬🌊 Carole Lebreton presents Life CYANOBLOOM at #LPS2025 A holistic, EO-based early warning system for cyanobacteria blooms—combining 🛰️satellite and hyperspectral data, 🌊 in-situ and lab measurements & 🧬genetic analysis. Toward more resilient water management. #Cyanobloom #WaterQuality #EOForHealth

🌍🛰️ Health meets Earth Observation! Gunnar Brandt presented the EO4Health Virtual Observatory at #LPS2025 – using EO data to support early warning systems for climate-sensitive diseases. #EO4Health #ClimateResilience #PublicHealth #ESA

Our colleague Pontus Lurcock presents at the #LPS25: “From notebooks to application packages with #xcube and #xcengine” His talk shows how we use these open-source tools to move from Jupyter notebooks to scalable, cloud-ready EO applications. #EarthObservation #WorkflowAutomation #OpenSource

☁️ 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