• The Earth observation satellites of UAE, DubaiSat-1 & DubaiSat-2 are also placed in Low Earth Orbits (LEO) orbits and providing satellite imagery of various parts of the Earth. (wikipedia.org)
  • Automated feature extraction from satellite imagery has made major progress in the last year. (blogs.com)
  • Accurate building footprints extracted from high resolution satellite imagery are becoming available from companies such as Ecopia, which has just announced a partnership with DigitalGlobe, whose satellites are capable of 30 cm (approximately one foot) resolution. (blogs.com)
  • The value of AOT, on the other hand, is derived from sunphotometer, and used to analyze the visible band imagery of Landsat-8 satellite. (scirp.org)
  • The mission will include a set of default AI Apps that will be able to do vessel detection, forest monitoring, and roadmap transformation from satellite imagery. (usu.edu)
  • The centre organizes imagery and computes greenness indices for observation of vegetation phenology. (lu.se)
  • Satellite imagery. (lu.se)
  • An Earth observation satellite or Earth remote sensing satellite is a satellite used or designed for Earth observation (EO) from orbit, including spy satellites and similar ones intended for non-military uses such as environmental monitoring, meteorology, cartography and others. (wikipedia.org)
  • In 2008, more than 150 Earth observation satellites were in orbit, recording data with both passive and active sensors and acquiring more than 10 terabits of data daily. (wikipedia.org)
  • A geostationary orbit, at 36,000 km (22,000 mi), allows a satellite to hover over a constant spot on the earth since the orbital period at this altitude is 24 hours. (wikipedia.org)
  • This type of orbit is mainly used for meteorological satellites. (wikipedia.org)
  • Each stage of the value chain relies on the others to move data from satellites in orbit to experts on the ground. (gc.ca)
  • HELSINKI - Chinese Earth observation Gaofen-13 is on its way to a geostationary orbit after successful launch on a Long March 3B from Xichang Oct. 11. (spacenews.com)
  • The constellation includes a range of optical and synthetic aperture radar satellites in low Earth orbit. (spacenews.com)
  • Gaofen-4 was previously the only satellite in geostationary orbit. (spacenews.com)
  • These satellites, due to their required positioning in low-Earth orbit and their significant size, have the potential to disrupt astronomical observations. (earth.com)
  • AST SpaceMobile deployed the BlueWalker 3 satellite into low-Earth orbit on September 10, 2022, as a precursor for a more expansive project to launch a constellation of over a hundred similar satellites, all targeted for mobile communication functions. (earth.com)
  • Interestingly, PAZ is being positioned on the same orbit as the German TerraSAR-X and TanDEM-X radar satellites. (earsc.org)
  • The four payloads, GRID-05B, GRID-06B, GRID-07 and GRID-08B, will carry out networked joint observations with those satellites in orbit to analyze gamma-ray bursts, solar activities and pulsars in the universe over the coming years. (shine.cn)
  • So far, eight satellite payloads have been sent into orbit for the project. (shine.cn)
  • This episode of our remote sensing podcast describes how the USGS EROS Flight Operations Team controls the Landsat satellites and keeps them safe in orbit. (usgs.gov)
  • According to the Union of Concerned Scientists, more than 2100 satellites orbit the sky around the Earth and help us to make progress in many scientific fields, to understand our planet and the impact of our interactions with it . (flockeo.com)
  • Since 1972, Landsat satellites have continuously acquired space-based images of the Earth's land surface, providing data that serve as valuable resources for land use/land change research. (usgs.gov)
  • U.S. Geological Survey, 2015, Landsat-Earth observation satellites (ver. (usgs.gov)
  • The purpose of these observations is to retrieve the aerosol extinction coefficient (AEC) and aerosol optical thickness (AOT) simultaneously at the overpass time of Landsat-8 satellite. (scirp.org)
  • Therefore, in the present paper, a novel monitoring technique is proposed and demonstrated for retrieving nearly horizontal distribution of aerosol in the atmospheric boundary layer by combining the data from a plan-position indicator (PPI) lidar and visible images of Operational Land Imager (OLI) onboard Landsat-8 satellite. (scirp.org)
  • We also operate the Landsat satellite program with NASA, and maintain the largest civilian collection of images of the Earth's land surface in existence, including tens of millions of satellite images. (usgs.gov)
  • The centre gathers regular observations of all the stations using data from the Landsat, Sentinel-2 and MODIS systems. (lu.se)
  • Recently, a study led by the IAU Center for the Protection of the Dark and Quiet Sky from Satellite Constellation Interference (CPS) in collaboration with Imperial College London (ICL) has investigated the potential implications of the prototype BlueWalker 3 satellite for astronomy. (earth.com)
  • Over the next two or three years, the GRID project will form a constellation observation network to conduct more valuable observations. (shine.cn)
  • The USGS then assumes ownership and operation of the satellites, in addition to managing all ground reception, data archiving, product generation, and data distribution. (usgs.gov)
  • More frequent updates are possible if data from more satellites can be accessed. (dlr.de)
  • For the first time, ice maps generated from the satellite data were sent to the ship in addition to radar images. (dlr.de)
  • Resourceful in using domestic and international satellite data across all economic sectors to increase productivity, drive efficiencies, and ignite innovation. (gc.ca)
  • Our vision recognizes the need to continue strengthening whole-of-society collaboration through a policy of free, open, and accessible data that will enable industry, academia, governments, and Indigenous communities across Canada to benefit from satellite EO . (gc.ca)
  • Canada will continue to participate in global initiatives for open data and science , development of data standards, and collaborative missions through international partners and multilateral fora, such as the World Meteorological Organization and the Group on Earth Observations. (gc.ca)
  • The process by which data is collected by satellites and then turned into information to support decisions can be visualized as a value chain (see next page). (gc.ca)
  • These experts use the satellite data to create valuable products and services, such as maps, environmental models, monitoring tools, and forecasts. (gc.ca)
  • In addition, satellite EO data relies on and is complementary to ground-based data from in situ sources, such as weather stations and aerial observations. (gc.ca)
  • It is vital that through coordinated information management ( IM ), satellite EO data be combined, where needed, with the myriad other big data sets that exist today. (gc.ca)
  • This group, a joint group including CEOS Agencies and the Coordination Group for Meteorological Satellite (CGMS), coordinates and encourages collaborative activities between the world's major space agencies in the area of climate monitoring with the overarching goal to improve the systematic availability of Climate Data Records through the coordinated implementation and further development of a global architecture for climate monitoring from space. (ceos.org)
  • In defining these implementation plans, WGClimate takes full account of other pertinent international initiatives such as Sustained, Coordinated Processing of Environmental Satellite Data for Climate Monitoring ( SCOPE-CM ). (ceos.org)
  • Faculty of Geo-information Science and Earth Observation (ITC) - University of Twente is among the leading partners in a new European Space Agency-funded project to monitor crop response to multiple stressors using new Earth observation satellite data (EO4Cerealstress). (itc.nl)
  • EO4Cerealstress will evaluate the synergistic use of multi-source Earth Observation data, particularly hyperspectral data, in-situ crop physiological parameters, soil, climate, and other ancillary data- taking advantage of their complementarity - to understand the effects of multiple stressors and their cumulative effects on crops. (itc.nl)
  • New and planned European satellite missions are providing data at high spatial, spectral and temporal resolutions, which offer the opportunity not only to understand and monitor the impacts of single crop stressors but also multiple crop stressors. (itc.nl)
  • In this study, we utilized observations from satellite-based precipitation data and in situ rain gauge observations to determine a suitable precipitation dataset in the Middle East & North Africa (MENA) region. (usgs.gov)
  • Results indicated a weaker correlation between in situ rain gauge observation and satellite precipitation data at the daily time step (r: 0.02 to 0.44), mainly due to the lack of range in precipitation distribution. (usgs.gov)
  • In this work, the interannual variability of the maximum convection depth, is obtained using one of the most complete datasets ARMOR, which combines in situ and satellite data. (researchgate.net)
  • The effectiveness of ocean-colour data assimilation in providing robust biological-parameter estimates for basin-scale ecosystem models is investigated for a phytoplankton-zooplankton-nutrient model using North Atlantic satellite chlorophyll data. (soton.ac.uk)
  • In multi-satellite formations for Earth observation, downlink capacity is a key bottleneck in data acquisition. (hiig.de)
  • As measurement data from different satellites of the same mission is often correlated to some degree, modern distributed source coding techniques are a promising approach for increasing downlink coding efficiency, thereby improving the overall mission data acquisition capability. (hiig.de)
  • Using real world data from the MagSat mission, we demonstrate that correlations in physical measurement data can be exploited to increase coding efficiency of downlinks in multi-satellite Earth observation missions. (hiig.de)
  • The satellite data assimilation process is computationally expensive and data are often reduced in resolution to allow timely incorporation into the forecast. (confex.com)
  • This problem is only exacerbated by the recent launch of Geostationary Operational Environmental Satellite (GOES)-16 satellite and future satellites providing several order of magnitude increase in data volume. (confex.com)
  • At the NOAA Earth System Research Laboratory (ESRL) we are researching the use of machine learning the improve the initial selection of satellite data to be used in the model assimilation process. (confex.com)
  • These targeted observations will be used to improve the quality of data selected for model assimilation and ultimately improve the impact of satellite data on weather forecasts. (confex.com)
  • Our efforts to identify the ROI's focus on fusion of weather pattern recognition in (1) a weather model, and (2) satellite data. (confex.com)
  • The system automatically calculates which commands must be sent to the satellite to ensure that the recorded data is of the highest quality according to user requirements. (earsc.org)
  • We encourage observers to submit observations via our web site (online data submission tool WebObs), or by email in AAVSO format to [email protected]. (aavso.org)
  • This paper presents a novel approach for an improved estimate of regional groundwater storage (GWS) change in Northwestern India by integrating satellite-based Gravity Recovery and Climate Exchange (GRACE) gravity observation and hydrological modelling of satellite/ in situ hydrometeorological data. (iwaponline.com)
  • The emphasis is on the use of the A-Train of satellites and it will be argued that combinations of data from radar, lidar and radiometers now provide the tools to advance understanding moving beyond these past limitations. (confex.com)
  • This information will be used to validate data on inland water courses delivered by Europe's flagship Earth observation programme. (esa.int)
  • Launched in 2016 and 2018, these satellites collect valuable surface elevation data over lakes, rivers, sea ice and land ice using synthetic aperture radar altimeter (SAR) instruments. (esa.int)
  • By using advanced processing methods, remote sensing experts transform these data into key information that support numerous important applications, including environmental monitoring and climate science.However, to ensure these insights can be used with confidence, they must be validated using independent observations. (esa.int)
  • But to properly compare the satellite observations with these in-situ measurements, additional data on the slope of the river between the stations must be collected. (esa.int)
  • Scientists are now working with these data to develop a detailed picture of river characteristics, which is crucial to ensure accurate satellite altimetry calibration and validation over rivers. (esa.int)
  • InSAR data from satellite radar sensors are gaining increasing attention for their unique technical features and cost-effectiveness. (earthdoc.org)
  • These data provide accurate displacement measurements along the satellite line-of-sight (LOS) and high spatial density (typically exceeding 100 measurement points/sqkm) over large areas, especially when advanced InSAR technique, such as PSInSAR™ are applied. (earthdoc.org)
  • There are significant advantages in combining two or more data stacks acquired along different satellite orbits in order to estimate a 2D vectorial displacements (East-West and Vertical components). (earthdoc.org)
  • Smith and Reynolds (2004) Improved Extended Reconstruction of SST (1854-1997) ] states the following about the OI.v2 SST data: "Although the NOAA OI analysis contains some noise due to its use of different data types and bias corrections for satellite data, it is dominated by satellite data and gives a good estimate of the truth. (blogspot.com)
  • In sustainable development, the use of Earth observation satellites as a primary source of data allows us, for example, to measure the impacts of tourism flows and the various interactions of humans with their ecosystems. (flockeo.com)
  • The satellite data collected allows us to define key indicators that allow us to evaluate the sustainability of tourism initiatives . (flockeo.com)
  • Satellite technology offers raw data but also moments of poetry in images on which it is possible to take an in-depth look at the health of our planet . (flockeo.com)
  • The workflow could also supply seasonal, yearly, and change maps considering the proposed integration of complex machine learning algorithms and large satellite and survey data. (lu.se)
  • Estimating wildfire smoke concentrations during the October 2017 California fires through BME space/time data fusion of observed, modeled, and satellite-derived PM2.5. (cdc.gov)
  • The data fusion of observations with the CAMP-corrected CTM and satellite-derived concentrations provides the best estimate (R2 = 0.713) in fire-impacted regions, emphasizing the importance of combining multiple datasets. (cdc.gov)
  • Traditionally, mapping of tree species has been done using optical remote sensing data from airborne systems or satellites, combined with simple algorithms like the Maximum Likelihood method. (lu.se)
  • This project utilises state-of-the-art deep learning algorithms in combination with radar and optical data from the Sentinel-1 and Sentinel-2 satellites to map tree species in southern Sweden. (lu.se)
  • Overall, this method leads to an operational process where satellite data and deep learning alone are sufficient to regularly provide maps of tree species distribution in Sweden. (lu.se)
  • Post-processing of satellite remote sensing data is often done to reduce noise and remove artifacts due to atmospheric (and other) disturbances. (lu.se)
  • This is however complicated by missing data and observations with large biases. (lu.se)
  • A weather satellite is a type of satellite that is primarily used to monitor the weather and climate of the Earth. (wikipedia.org)
  • It also acknowledges the vibrant worldwide satellite EO community and the role of international collaboration in meeting our own needs while contributing to global issues such as climate change. (gc.ca)
  • The GC 's Canadian Crop Yield Forecaster ( CCYF ) uses a mix of satellite and climate information to forecast crop yields both during and after the growing season. (gc.ca)
  • WGClimate also provides guidance to CEOS regarding climate-related Tasks in the Group on Earth Observations (GEO) Work Plan. (ceos.org)
  • In addressing the tasks described above, WGClimate has undertaken an analysis, addressing each ECV in turn, of the extent to which the current status of production of satellite climate records meets the GCOS requirements, including an analysis of the consistency of ECV definitions. (ceos.org)
  • To maintain this leadership role in the future, DLR researchers are already working on Tandem-L, a proposal for a highly innovative radar mission for environmental observation and climate research. (earsc.org)
  • Climate Observations: Can Most Of The Rise In The Satellite-Era Surface Temperatures Be Explained Without Anthropogenic Greenhouse Gases? (blogspot.com)
  • This new satellite will facilitate mapping to track pollution and climate change, monitor disasters, and provide invaluable agricultural and environmental information. (ceos.org)
  • Similarly we have also observed precipitation from space for many years but have not been able to tie these observations to actual cloud physical processes and thus precipitation observations alone offer only limited insight into how precipitation is likely to be shaped by the broader environment in which it forms. (confex.com)
  • Some telescopes, located in designated radio-silent zones, are primed to evade terrestrial interference, but satellite transmissions remain a concern. (earth.com)
  • Further research is therefore required to develop strategies for protecting existing and upcoming telescopes from the numerous satellites planned for launch over the next decade. (earth.com)
  • Developed by Tsinghua University, Nanjing University, Sichuan University and Beijing Normal University, the payloads act like wide-field telescopes installed on satellites to observe cosmic phenomena. (shine.cn)
  • Eyes on Earth is a podcast on remote sensing, Earth observation, land change and science, brought to you by the USGS Earth Resources Observation and Science (EROS) Center. (usgs.gov)
  • Executive SummaryThis report addresses system characterization of the Pléiades Neo satellite and is part of a series of system characterization reports produced and delivered by the U.S. Geological Survey Earth Resources Observation and Science Cal/Val Center of Excellence. (usgs.gov)
  • Scientists are increasingly concerned that if unchecked, expansive satellite groups could compromise our terrestrial star observation and hinder radio astronomy. (earth.com)
  • To delve deeper into its impact on astronomy, the CPS initiated a comprehensive global observation drive. (earth.com)
  • Scientists will continue to discuss this topic at the upcoming IAU Symposium: Astronomy and Satellite Constellations: Pathways Forward in October. (earth.com)
  • Commerce, which is the parent department of the National Oceanic and Atmospheric Administration, and NASA have argued that allowing use of that band for 5G services could create interference with satellite observations of water vapor used in weather forecasting. (spacenews.com)
  • These meteorological satellites, however, see more than clouds and cloud systems. (wikipedia.org)
  • Weather satellite images helped in monitoring the volcanic ash cloud from Mount St. Helens and activity from other volcanoes such as Mount Etna. (wikipedia.org)
  • Despite the many years of cloud observations from space, the insight gained into these key roles and processes that influence them has been limited. (confex.com)
  • Information about cloud particle size from satellite radiometers, for example, has been derived now for more than two decades but whether or not this information is in fact related to real cloud physical properties has been less convincingly. (confex.com)
  • Here we collate nine environmental variables (cloud cover, current, depth, salinity, wind, and four sea surface temperature-based metrics) from readily available satellite datasets using the Google Earth Engine geospatial processing platform. (kcl.ac.uk)
  • These types of satellites are almost always in Sun-synchronous and "frozen" orbits. (wikipedia.org)
  • PAZ is a counterpart of the two German radar satellites TerraSAR-X and TanDEM-X and orbits Earth at the same altitude of 514 kilometres. (earsc.org)
  • Other environmental satellites can assist environmental monitoring by detecting changes in the Earth's vegetation, atmospheric trace gas content, sea state, ocean color, and ice fields. (wikipedia.org)
  • Observation of optical properties of atmospheric aerosols, especially their behavior near the surface level, is indispensable for better understanding of atmospheric environmental conditions. (scirp.org)
  • Thanks to an active radar antenna, an image from the TerraSAR-X satellite makes sea ice and icebergs visible in any weather, through clouds and fog, day and night. (dlr.de)
  • They aided navigation in the ice-covered water by providing images from the TerraSAR-X, Sentinel-1 and RADARSAT-2 radar satellites. (dlr.de)
  • CHEOS was initiated in 2010 to provide all-weather, all-day coverage with optical and synthetic aperture radar satellites. (spacenews.com)
  • Drawing upon the technology of the TerraSAR-X and TanDEM-X radar satellites, experts at the DLR site in Oberpfaffenhofen have also developed not only the LEOP operation, but also essential elements of the ground segment for regular flight operations. (earsc.org)
  • The convection depths, derived from ARMOR, are used for testing the efficiency of two indices of convection intensity: (1) sea-level anomalies from satellite altimetry and (2) the integral water density in the areas of the most frequent development of deep convection. (researchgate.net)
  • Here we focus specifically on satellite derived vegetation indices which are used for large scale monitoring of vegetation cover, plant health, and plant phenology. (lu.se)
  • The main focus of this paper is to assess the feasibility of utilizing dedicated satellite gravity missions in order to detect large-scale solid mass transfer events (e.g. landslides). (springer.com)
  • Following the success of the first Phi-Sat mission, in 2020, the European Space Agency (ESA) announced the opportunity to present CubeSat-based ideas for the Phi-Sat-2 mission as part of its initiative to promote the development of radically innovative technologies such as Artificial Intelligence (AI) capabilities onboard Earth Observation (EO) missions. (usu.edu)
  • This paper will present the NanoSat MO Framework, introduce the AI Apps that are part of the Phi-Sat-2 mission, and how the free and open-source framework enables the creation of software-defined satellite missions via on-board Apps. (usu.edu)
  • Satellite images, with the observation of the vegetation over a given period of time, enable us to visualize these changes over the long term and to show the disruption of the natural renewal cycles of the Earth. (flockeo.com)
  • It allows to evaluate if the observed target contains or not a living green vegetation, observable by a nice emerald coloration present on the satellite images obtained. (flockeo.com)
  • Initially, GRACE observation-based terrestrial water storage (TWS) change and hydrological model-based TWS change products were integrated using weight coefficients derived from multi-linear regression analysis of TWS change vs governing hydrological components. (iwaponline.com)
  • It is possible to collect Earth observation satellites of more than 20 relevant measurements including CO2, air pollutants , but also parameters related to the quantity and quality of water, or land artificialization, for example. (flockeo.com)
  • The spectral content of the estimated gravity changes induced by a simulated large-scale landslide event is estimated for the known spatial resolution of the GRACE observations using wavelet multiresolution analysis. (springer.com)
  • The approach overcomes the limitations of GRACE observation (spatial resolution, geology, terrain, and hydrometeorological factors), hydrological modelling (groundwater withdrawal conditions), and conventional GWL fluctuation-based method (inadequate spatial continuity and cumbersome, labour-intensive exercise). (iwaponline.com)
  • In the future these products are to be automatically provided along with the satellite images. (dlr.de)
  • This approach allows continuous improvement of the AI model parameters using the very same images acquired by the satellite. (usu.edu)
  • View high-resolution satellite images at 10-minute intervals. (bom.gov.au)
  • Ultimately, we envision a lively ecosystem of satellite EO stakeholders interacting to provide services to Canadians, enable scientific breakthroughs, and foster economic activity. (gc.ca)
  • Hemmings, J.C.P. , Srokosz, M.A. , Challenor, P. and Fasham, M.J.R. (2003) Assimilating satellite ocean-colour observations into oceanic ecosystem models. (soton.ac.uk)
  • Concurrent observations of ground-based instruments and satellite-borne sensors are useful for attaining improved accuracy in the observation of relatively wide area. (scirp.org)
  • Surface reflectance measurement is an integral part of the vicarious calibration of satellite sensors and the validation of satellite-derived top-of-atmosphere (TOA) and surface reflectance products. (usgs.gov)
  • Hydrological model, spaceborne GRACE observation, and integrated GWS change products show a positive correlation in ∼59, ∼69, and ∼73% of the area with in situ GWS change. (iwaponline.com)
  • While a hydrological model-based estimate considers geology, terrain, and hydrometeorological conditions, GRACE gravity observation includes groundwater withdrawal from aquifers. (iwaponline.com)
  • An algorithm for estimating improved regional groundwater storage change is proposed by integrating satellite gravity observation and hydrological modelling. (iwaponline.com)
  • Together with the two formation flying satellites TerraSAR-X and TanDEM-X, PAZ can record almost any region of Earth's surface within three days. (earsc.org)
  • Land Use/Land Cover (LULC) maps can be effectively produced by cost‐effective and frequent satellite observations. (lu.se)
  • By 2021, that total had grown to over 950, with the largest number of satellites operated by US-based company Planet Labs. (wikipedia.org)
  • At the end of 1981, the long waves also were detected in a new sea surface temperature analysis based on multichannel infrared measurements from a polar-orbiting satellite. (ametsoc.org)
  • WASHINGTON - The chairman of the Federal Communications Commission defended the use of spectrum for 5G wireless services while a key senator called for a hearing on potential interference such services could have with space-based weather observations. (spacenews.com)
  • NASA develops remote sensing instruments and the spacecraft, then launches and validates the performance of the instruments and satellites. (usgs.gov)
  • Inaugural launches of the Long March 7A and the Expace Kuaizhou-11 failed , while an issue with the workhorse Long March 3B led to the loss of the Indonesian Palapa-N1 communications satellite. (spacenews.com)
  • The TIROS-1 spacecraft, launched on April 1, 1960, as part of NASA's Television Infrared Observation Satellite (TIROS) program, sent back the first television footage of weather patterns to be taken from space. (wikipedia.org)
  • The Earth observation satellites ERS-1, ERS-2 and Envisat of European Space Agency as well as the MetOp spacecraft of EUMETSAT are all operated at altitudes of about 800 km (500 mi). (wikipedia.org)
  • Herman Potočnik explored the idea of using orbiting spacecraft for detailed peaceful and military observation of the ground in his 1928 book, The Problem of Space Travel. (wikipedia.org)
  • Two Russian space companies have signed a cooperation agreement with an Iranian corporation, clearing the way for the creation of an Iranian satellite observation system. (rt.com)
  • In: Observation of the earth system from space. (springer.com)
  • The mission takes advantage of the latest research for mission operations of CubeSats and use the NanoSat MO Framework, a framework for small satellites that allows software to be deployed in space as simple Apps, in a similar fashion to Android apps. (usu.edu)
  • During the first five days, DLR 's German Space Operations Center ( GSOC ) will assume control of PAZ and put the satellite through its paces. (earsc.org)
  • The four payloads on three satellites that were sent into space from the Taiyuan Satellite Launch Center in Shanxi Province have been powered up for preliminary testing. (shine.cn)
  • The four payloads on three satellites that were sent into space from the Taiyuan Satellite Launch Center in north China's Shanxi Province on January 15 have been powered up for preliminary testing, according to Tsinghua University on Monday. (shine.cn)
  • If China wants to become a dominant space power, it must step up and take a leading role in providing new Earth observation satellite (EOSAT) technology. (activeboard.com)
  • At present, a fraction of all satellite observations are ultimately used for model assimilation. (confex.com)
  • The DLR Earth Observation Center (EOC) operates the Maritime Safety and Security Labs in Bremen and Neustrelitz. (dlr.de)
  • Reported measures are the daily measure of fine particulate matter in micrograms per cubic meter (PM2.5) (µg/m³), the number of observations, minimum and maximum range value, and standard deviation. (cdc.gov)
  • Here, we estimate daily average ground-level PM2.5 concentrations at a 1 km resolution during the October 2017 California wildfires, using the Constant Air Quality Model Performance (CAMP) and Bayesian Maximum Entropy (BME) methods to bias-correct and fuse three concentration datasets: permanent and temporary monitoring stations, a chemical transport model (CTM), and satellite-derived estimates. (cdc.gov)
  • PDF) Thermohaline convection in the subpolar seas of the North Atlantic from satellite and in situ observations. (researchgate.net)
  • The first occurrence of satellite remote sensing can be dated to the launch of the first artificial satellite, Sputnik 1, by the Soviet Union on October 4, 1957. (wikipedia.org)
  • A Long March 6 is expected to launch nine satellites for Satellogic, a company headquartered in Buenos Aires, October 14. (spacenews.com)
  • Observations soon after the satellite's launch already categorized it as a notably bright entity in the night sky. (earth.com)
  • Astronomical observations have provided insights into fundamental physics and other research at the boundaries of our knowledge and changed humanity's view of our place in the cosmos. (earth.com)
  • Through our research, we are using convolutional neural network to find and mark Regions of Interest (ROI) to lead to intelligent extraction of observations from satellite observation systems. (confex.com)
  • GRACE gravity observation includes groundwater withdrawal from the aquifers. (iwaponline.com)
  • The microphysical content of satellite observations will be revealed and the ability to probe into the rain formation processes will be highlighted. (confex.com)
  • Most Earth observation satellites carry instruments that should be operated at a relatively low altitude. (wikipedia.org)
  • For example, the 2002 oil spill off the northwest coast of Spain was watched carefully by the European ENVISAT, which, though not a weather satellite, flies an instrument (ASAR) which can see changes in the sea surface. (wikipedia.org)
  • Geostationary satellite observations of a zonally oriented sea surface temperature front in the eastern equatorial Pacific were made between 1975 and 1981. (ametsoc.org)
  • To this end, surface deformation are important observations that help in relating the ground motion to flow-related processes at depth. (earthdoc.org)
  • The Gaofen-13 ('high resolution 13') satellite is nominally part of the civilian China High-resolution Earth Observation System (CHEOS). (spacenews.com)
  • We discuss advances in our ability to predict a 100-year absence and the emergence of a new strain of these events and, in particular, the critical role that satellite potentially pandemic cholera in India in 1992? (cdc.gov)
  • Across the Atlantic, the US is planning a new satellite that will hunt for Earth-like planets around other stars. (lu.se)
  • However, the agreement between precipitation estimates and in situ gauge observations improved at monthly (r: 0.02 to 0.66) and annual time scales (r: −0.22 to 0.57), indicating greater reliability of satellite-based precipitation at monthly and annual time scales. (usgs.gov)
  • The results are improved by applying wintertime nutrient estimates based on in situ observations as an additional constraint. (soton.ac.uk)
  • Geostatistical methods can combine observed, modeled, and satellite-derived concentrations to produce accurate estimates. (cdc.gov)
  • All BME methods produce more accurate estimates than the standalone CTM and satellite products. (cdc.gov)
  • "The pre-contractual arrangement covers the development of an earth remote-sensing system based on an upgraded version of the Kanopus-V1 (Canopus-B) observation satellite," Russia's VNIIEM Corporation CEO Leonid Makridenko said, as cited by the RIA Novosti news agency. (rt.com)
  • some EO satellites may perform remote sensing without forming pictures, such as in GNSS radio occultation. (wikipedia.org)
  • Renders of the satellites on mission control screens suggest these are large (1.5-meter-diameter-plus) aperture optical remote sensing satellites. (spacenews.com)
  • Most recently Sept. 12 saw the loss of a Kuaizhou-1A rocket and a commercial remote sensing satellite. (spacenews.com)
  • It is also an opportunity to look up at the satellites observing our planet in order to better understand the anthropic transformations it is facing today, especially in the field of tourism. (flockeo.com)
  • At a hearing of the Senate Commerce Committee June 12, FCC Chairman Ajit Pai dismissed claims that 5G services operating at the 24 gigahertz band could interfere with weather observations and thus degrade the accuracy of forecasts, saying studies that made those claims were flawed. (spacenews.com)
  • We recognize that there is a lot of cloudy weather at this time of year in the southern hemisphere, so each observation you can make is all the more precious. (aavso.org)