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London boroughs, United Kingdom: As seen by GEOSAT-2
This GEOSAT-2 satellite image shows part of London in the United Kingdom, on 28 March 2020.
Biscayne Bay, Miami, USA: As seen by SkySat
This multispectral SkySat image shows Biscayne Bay in Miami on 19 February 2019.
Aswan, Egypt: As seen by Pléiades
This pan-sharpened Pléiades image from 23 July 2022 shows Aswan in Egypt. The 0.5 m resolution image makes it possible to see buildings and streets in the city in detail.
Feeling the heat: commercial satellites track temperature extremes
As the impacts of climate change intensify, commercial Earth observation data providers are delivering crucial insights to support the monitoring of temperature-related threats – such as wildfires, urban heat islands and droughts.
The British Isles: As seen by AVHRR
This AVHRR image from the NOAA POES satellites shows the British Isles, acquired on 12 January 2003. The British Isles consist of the two major islands - Great Britain and Ireland—as well as numerous smaller islands, including the Isle of Man, the Hebrides, the Orkney Islands, the Shetland Islands, the Isles of Scilly, and the Channel Islands. The term “British Isles” is primarily used in a geographical context.
How FDR4LDYN is creating decades-long land dynamics data record
The Fundamental Data Record for Land Dynamics (FDR4LDYN) project aims to build a long-term, analysis-ready data record based on radar backscatter observations from a succession of European Earth observation missions.
Missed LPS? Here are five highlights worth knowing
more than 6,500 participants from nearly 120 countries gathered at the Living Planet Symposium (LPS 25). With over 4,200 scientific presentations and posters, the symposium was a forum for scientists, academics, representatives from the space industry, as well as students and members of the public.
BIOMASS Processing Input and Output Data Definition Document
This document contains the BIOMASS Processing Suite input/output data definition.
Biomass Processing Suite Interface Control Document
The purpose of this document is to provide the “Interface Control Document (ICD)” for the BIOMASS Processing Suite (BPS) project.
WorldView Legion full archive and tasking
WorldView Legion high-resolution optical products are available as part of the Maxar Standard Satellite Imagery offerings, alongside imagery from QuickBird, WorldView-1/-2/-3/-4, and GeoEye-1. Full details regarding data provision, access conditions, and quota assignment procedures are outlined in the Terms of Applicability, available in the Resources section. WorldView Legion provides both archive and tasking imagery with: Panchromatic products at up to 0.34 m GSD resolution Multispectral (4-band/8-band) products at up to 1.36 m GSD resolution With its high revisit rates and enhanced imaging capabilities, WorldView Legion supports applications such as urban planning, environmental monitoring, disaster response, infrastructure management, and agricultural analysis. Band Combination Data Processing Level Resolution Panchromatic and 4-band Standard(2A)/View Ready Standard (OR2A) 15 cm HD, 30 cm HD, 30 cm, 40 cm, 50/60 cm View Ready Stereo 30 cm, 40 cm, 50/60 cm Map Ready (Ortho) 1:12.000 Orthorectified 15 cm HD, 30 cm HD, 30 cm, 40 cm, 50/60 cm Panchromatic and 8-band Standard(2A)/View Ready Standard (OR2A) 30 cm, 40 cm, 50/60 cm View Ready Stereo 30 cm, 40 cm, 50/60 cm Map Ready (Ortho) 1:12.000 Orthorectified 30 cm, 40 cm, 50/60 cm 4-band products are offered as: 4-band multispectral (Blue, Green, Red, NIR) 4-band pansharpened (Blue, Green, Red, NIR) 4-band bundle (PAN, Blue, Green, Red, NIR) 3-band natural colour pansharpened (Blue, Green, Red) 3-band coloured infrared pansharpened (Green, Red, NIR) 8-band products are offered as: 8-band multispectral (Coastal Blue, Blue, Green, Yellow, Red, Red-Edge1, Red-Edge2, NIR) 8-band bundle (PAN, Coastal Blue, Blue, Green, Yellow, Red, Red-Edge1, Red-Edge2, NIR) Native 30 cm and 50/60 cm resolution products are processed with MAXAR HD Technology to generate respectively the 15 cm HD and 30 cm HD products: the initial special resolution (GSD) is unchanged but the HD technique increases the number of pixels, improves the visual clarity and yields an aesthetically refined imagery with precise edges and well reconstructed details. As per ESA policy, very high-resolution imagery of conflict areas cannot be provided.
External Calibration and Validation of the Biomass Mission
ESA is pleased to announce the re-opening of the Cal/Val Announcement of Opportunity (AO) call for the Biomass mission. With this call ESA invites research groups to participate in Biomass Cal/Val throughout the mission lifetime. The invitation is open to scientists worldwide.
Ischia Island: As seen by COSMO-SkyMed
Ischia Island is featured in this COSMO-SkyMed image from 29 June 2016. Ischia is located in the Gulf of Naples off the coast of Italy. Ischia is volcanic in origin, and the peak of Mount Epomeo is visible in this radar image in the centre of the island.
NOAA (POES) AVHRR L1C data products now available
Following the new Heritage Space Programme project on NOAA (POES), AVHRR (Advanced Very High Resolution Radiometer) level 1C data products are now available to users via the ESA Heritage Missions Dissemination System.
AVHRR L1B/1C Local Area Coverage Imagery
Level-1B This collection is composed of AVHRR L1B products (1.1 km) reprocessed from the NOAA POES and Metop AVHRR sensors data acquired at the University of Dundee and University of Bern ground stations and from the ESA and University of Bern data historical archive. The product format is the NOAA AVHRR Level 1B that combines the AVHRR data from the HRPT stream with ancillary information like Earth location and calibration data which can be applied by the user. Other appended parameters are time codes, quality indicators, solar and satellite angles and telemetry. Two data collections cover the data acquired over Europe and the neighbouring regions in the period of 1 January 1981 to 31 December 2020 in the context of the 1-KM project in the 90s. During the early 1990’s various groups, including the International Geosphere-Biosphere Programme (IGBP), the Commission of the European Communities (CEC), the Moderate Resolution Imaging Spectrometer (MODIS) Science Team and ESA concluded that a global land 1 KM AVHRR data set would have been crucial to study and develop algorithms for several land products for the Earth Observing System. USGS, NOAA, ESA and other non-U.S. AVHRR receiving stations endorsed the initiative to collect a global land 1-km multi-temporal AVHRR data set over all land surfaces using NOAA's TIROS "afternoon" polar-orbiting satellite. On 1 April 1992, the project officially began and lasted up to the end of 1999 with the utilisation of 23 stations worldwide plus the NOAA local area coverage (LAC) on-board recorders. The global land 1-km AVHRR dataset is composed of 5 channels, raw AVHRR dataset at 1.1 km resolution from the NOAA-11 and NOAA-14 satellites covering land surfaces, inland water and coastal areas. Global Land 1 km AVHRR Data Set Project HRPT Ground Station Network (as of 1 April 1992) and Acquisition Areas for LAC Recorded Data Level-1C This data collection consists of measurements from the Advanced Very High Resolution Radiometer (AVHRR) at 1.1km full Local Area Coverage (LAC) resolution. It is based on the ESA AVHRR Level 1B European Data Set, a curated collection of AVHRR 1km data from 1981 to 2020 covering Europe, selected areas in Africa and the acquired data out-of-Europe in the context of the 1-KM project in the ‘90s (see the Level-1B description for details). The AVHRR LAC measurements were processed by the Remote Sensing Research Group of the University Bern, Switzerland. A landmark based navigation correction software adjusted time and satellite attitude to improve the georeferencing accuracy. The PyGAC software was used to convert the counts to reflectances for the visible and near-infrared channels 1, 2, 3A, and to brightness temperatures for the infrared channels 3B, 4, 5. The infrared calibration uses on-board calibration data and is satellite specific without cross-calibration between satellites. Due to the lack of on-board calibration data for the visible channels, calculated coefficients from the CIMSS PATMOS-X project, version 2017r1, were used for the visible calibration aiming to minimize spectral differences among the various AVHRR sensors. The data format is NetCDF. The calibrated AVHRR data are accompanied by coordinates, satellite and solar angles, additional metadata, and basic quality indicators. The NOAA nomenclature is used for the data record labelling it as a set of AVHRR L1C data. The new products are conveniently formatted in NetCDF. Free standard tools, such as Panoply, can be used to read NetCDF data. Panoply is sourced and updated by external entities. For further details, please consult our Terms and Conditions page.
Landsat 5 TM Europe and North Africa Coverage 1984-85
This collections contains Landsat 5 Thematic Mapper (TM) imagery acquired over Europe and North Africa from April 1984 to December 1985. The available data products have a cloud cover percentage of less than 20%. The acquired Landsat 5 TM scenes have a footprint of approximately 183 x 172.8 km. A standard full scene is nominally centred on the intersection between a path and row (the actual image centre may deviate by up to 100 m). The data are system corrected.
Landsat 5 TM Europe and North Africa Coverage 1986-89
This collections contains Landsat 5 Thematic Mapper (TM) imagery acquired over Europe and North Africa from January 1986 to November 1989. The available data products have a cloud cover percentage of less than 20%. The acquired Landsat 5 TM scenes have a footprint of approximately 183 x 172.8 km. A standard full scene is nominally centred on the intersection between a path and row (the actual image centre may deviate by up to 100 m). The data are system corrected.
Landsat 5 TM Europe and North Africa Coverage 1995-98
This collections contains Landsat 5 Thematic Mapper (TM) imagery acquired over Europe and North Africa from January 1995 to December 1998. The available data products have a cloud cover percentage of less than 20%. The acquired Landsat 5 TM scenes have a footprint of approximately 183 x 172.8 km. A standard full scene is nominally centred on the intersection between a path and row (the actual image centre may deviate by up to 100 m). The data are system corrected.
Showcasing ESA's HEDAVI Earth observation tool
ESA's HEDAVI (HEritage DAta VIsualiation) is a platform that allows users to freely access over 40 years of ESA Earth observation Heritage, Third Party Missions and some Copernicus data.
HydroGNSS
HydroGNSS is a microsatellite mission, which is part of the Scout framework, and consists of a GNSS-R (Global Navigation Satellite System Reflectometry) constellation that primarily addresses land. Scout missions are a new element in ESA's Earth Observation FutureEO Programme.
Earth Online Newsletter - 08 March 2024
This issue of the Earth Online Newsletter covers a selection of the latest news and events from ESA.