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100 results for “Sentinel 1”
FIGURE 1 in A new dwarf sentinel crab from Mayotte Island, western Indian Ocean (Decapoda: Brachyura: Macrophthalmidae)
FIGURE 1. Habitat and live coloration of Macrophthalmus (Chaenostoma) lisae sp. nov.: a, beach at Mliha, Mayotte, KUW fieldwork 2009, stn 26, low tide; specimens were collected on the upper part of the beach (foreground); b, paratype female ov. 3.85 × 5.1 mm (MNHN B32362); c, holotype male 3.75 × 4.9 mm (MNHN B32254).
FIGURE 1 in The Case of a Rudderfish Highlights the Role of Natural History Museums as Sentinels of Bio-invasions
FIGURE 1. First page of ʺDoderlein, P. (1883) Rinvenimento di una specie di pesce dell'esotico genere Pimelepterus, Lac. nelle acque del Golfo di Palermo. Il Naturalista Siciliano, 3, 81–86.ʺ describing Kyphosus sectatrix, preserved in the Museum of Zoology of the University of Palermo (voucher code MZPA P-247).
Soil Moisture from SMAP, Sentinel 1 and in-situ observations dataset
<p>Each folder contains the dataset for the entire CONUS over the corresponding time period.</p> <p>For folder contains two classes of GeoTIFF images, namely the NW_Day_XXX_9km_Signals.tif and NW_Day_XXX_1km_Signals.tif, corresponding to data at 9 and 1 km spatial resolution respectively (XXX encodes the specific date e.g. 20180601)</p> <p>Each *9km_Signals.tif image contains 7 bands that correspond to the following variables:</p> <ol> <li> <p>SMAP Tb, Horizontal polarization</p> </li> <li> <p>SMAP Tb, Vertical polarization</p> </li> <li> <p>Soil Moisture (estimation)</p> </li> <li> <p>Clay</p> </li> <li> <p>Bulk Density</p> </li> <li> <p>Latitude</p> </li> <li> <p>Longitude</p> </li> </ol> <p> </p> <p>Each *1km_Signals.tif image contains 12 bands that correspond to the following variables:</p> <ol> <li> <p>Sentinel 1 σ0, Vertical polarization</p> </li> <li> <p>Sentinel 1 σ0, Horizontal polarization</p> </li> <li> <p>SMAP TB, vertical polarization;</p> </li> <li> <p>In-Situ Soil Moisture value</p> </li> <li> <p>Soil Moisture (estimated) at 1km;</p> </li> <li> <p>Vegetation Water Content</p> </li> <li> <p>Surface Temperature</p> </li> <li> <p>Precipitation</p> </li> <li> <p>Land cover map</p> </li> <li> <p>In-Situ location name</p> </li> <li> <p>Latitude</p> </li> <li> <p>Longitude</p> </li> </ol> <p> </p>
FIGURES 1–4. Preparing the sentinel logs. 1 in Bracon planitibiae sp. nov. (Hymenoptera: Braconidae), a new parasitoid of Asian longhorned beetle (Anoplophora glabripennis)
FIGURES 1–4. Preparing the sentinel logs. 1, ALB adults reared in a hyaline box for laying eggs in logs, green leaves are Acer negundo for ALB adult nutrition. 2, Sentinel logs with ALB egg niches. 3, Making sentinel log cage for preventing bird predation. 4, Hanging the sentinel logs in canopy of willows. FIGURES 5–6. B. planitibiae sp. nov. parsasitizing its host. 5, A young larva of B. planitibiae parasitizing a first instar larva of ALB. 6, The cocoon of B. planitibiae and remains of its host (the green arrow poins the remains of first instar ALB larva; the blue arrow points the parasitoid cocoon; the purple arrow points the emergence hole of B. planitibiae, the red arrow points to the frass of ALB larva.
FIGURE 1 in Macrophthalmus (Macrophthalmus) microfylacas, a new species of sentinel crab (Decapoda: Brachyura: Ocypodidae) from western Japan
FIGURE 1. Macrophthalmus microfylacas sp. nov. a, Specimen from Okinawa I., Ryukyu Is., Japan, holotype, male, RUMFZC257, CL/CW 6.5/10.4 mm; b, holotype; c, specimen from Okinawa I., paratype, male, RUMFZC258, CL/CW 5.7/9.7 mm; d, specimens from Amakusa, Japan, paratype, female, RUMFZC268, CL/CW 4.8/7.8 mm.
Figure 1. Chaenostoma java n in The sentinel crabs of the genus Chaenostoma (Stimpson, 1858) (Crustacea: Brachyura: Macrophthalmidae), with description of a new species and new records
Figure 1. Chaenostoma java n. sp. holotype (NHMG). (A) Carapace; (B) inner surface of male cheliped (inner face); (C) palm of right cheliped (outer face); (D) palm of right cheliped (inner face); (E) G1, right (ventral face); (F) apical part of the same G1 (lateral face); (G) apical part of the same G1 (ventral face).
Excess ground ice profiles from Sentinel 1
<p>Maps of excess ice content profiles were estimated from Sentinel-1 subsidence observations. Results for three study regions in Alaska are included:</p> <ul> <li>Happy Valley, Brooks Foothills</li> <li>Ice Cut, Brooks Foothills</li> <li>Kivalina, Northwestern Alaska</li> </ul> <p>The results for each region are contained in the corresponding .zip file. The subfolders correspond to the different years. The content of each subfolder are as follows:</p> <ul> <li>meta.txt: human-readable metadata: geolocation information (rasterio affine transformation, projection, size of image, vertical grid [m])</li> <li>e_mean.npy: array containing the posterior mean of the excess ground ice profiles e [-]</li> <li>e_quantile.npy: array containing the 10th and 90th posterior percentile of the excess ground ice profiles e [-]</li> </ul> <p> </p>
FIG. 1 in Invasive Species as Sentinels: Measuring Health Outcomes in Silver Carp (Hypophthalmichthys molitrix) during Removal
FIG. 1. Map of the Illinois River, Illinois, USA. The two reaches sampled in this study were the La Grange reach and the Starved Rock reach between April–October 2018.
Complete Lymph Node Dissection vs Watchful Waiting in Patients With Malignant Melanoma (Thickness of 1,0mm+ and Evidence of Metastases in the Sentinel Node)
ClinicalTrials.gov study NCT02434107. IPD Sharing: Not stated. Countries: 1. Publications: 2.
Fig. 1 in Management proposal based on the timing of oral incubation of eggs and juveniles in the sentinel species Genidens genidens (Siluriformes: Ariidae) in a tropical estuary
Fig. 1. Guanabara Bay, Rio de Janeiro, Brazil, indicating the sampling stations: 1- Bancários, 2- Magé, 3- Paquetá Island, 4- Fundão Island, 5- central channel. Black circles indicate artisanal fishing landing sites and white circles indicate experimental sampling sites.
Supplementary material 1 from: Migliorini D, Auger-Rozenberg M-A, Battisti A, Brockerhoff E, Brockerhoff E, Eschen R, Fan J-t, Jactel H, Orazio C, Paap T, Prospero S, Ren L, Kenis M, Roques A, Santini A (2023) Towards a global sentinel plants research strategy to prevent new introductions of non-native pests and pathogens in forests. The experience of HOMED. Research Ideas and Outcomes 9: e96744. https://doi.org/10.3897/rio.9.e96744
File 1
Supplementary material 1 from: Casarin N, Hasbroucq S, López-Mercadal J, Miranda MÁ, Bragard C, Grégoire J-C (2023) Measuring the threat from a distance: insight into the complexity and perspectives for implementing sentinel plantation to test the host range of Xylella fastidiosa. In: Jactel H, Orazio C, Robinet C, Douma JC, Santini A, Battisti A, Branco M, Seehausen L, Kenis M (Eds) Conceptual and technical innovations to better manage invasions of alien pests and pathogens in forests. NeoBiota 84: 47-80. https://doi.org/10.3897/neobiota.84.90024
Administrative burdens and delays, a comparative view
Sentinel-5P TROPOMI Methane CH4 1-Orbit L2 5.5km x 7km V2 (S5P_L2__CH4____HiR) at GES DISC
Starting from August 6th in 2019, Sentinel-5P TROPOMI along-track high spatial resolution (~5.5km at nadir) has been implemented.For data before August 6th of 2019, please check S5P_L2__CH4____1 data collection.The Copernicus Sentinel-5 Precursor (Sentinel-5P or S5P) satellite mission is one of the European Space Agency's (ESA) new mission family - Sentinels, and it is a joint initiative between the Kingdom of the Netherlands and the ESA. The sole payload on Sentinel-5P is the TROPOspheric Monitoring Instrument (TROPOMI), which is a nadir-viewing 108 degree Field-of-View push-broom grating hyperspectral spectrometer, covering the wavelength of ultraviolet-visible (UV-VIS, 270nm to 495nm), near infrared (NIR, 675nm to 775nm), and shortwave infrared (SWIR, 2305nm-2385nm). Sentinel-5P is the first of the Atmospheric Composition Sentinels and is expected to provide measurements of ozone, NO2, SO2, CH4, CO, formaldehyde, aerosols and cloud at high spatial, temporal and spectral resolutions.The retrieval algorithm for Sentinel-5P TROPOMI methane product is a physics based method that uses the Oxygen-A band (760 nm) and absorption bands in shortwave infrared spectrum. In Sentinel-5P/TROPOMI methane algorithm, the atmosphere forward model simulates the absorbing gas (oxygen, methane, water vapor, and carbon monoxide) optical properties, as well as aerosol optical properties with size distribution, refractive index, and number concentration. The inversion is performed based on the forward calculation, the measurement, and the prior information. Cloud filtering is critical in methane retrieval, S5P methane algorithm applies re-gridded Visible Infrared Imaging Radiometer Suite (VIIRS) cloud mask data. Additional cloud filters based on S5P/TROPOMI measurements and the FRESCO apparent surface pressure will be applied when VIIRS cloud data are not available. Other current data filters in the retrieval algorithm include land-only pixels (excluding mountainous areas), spectrum intensity, solar zenith angle and instrument zenith angle. The S5P/TROPOMI methane retrieval is for non-time-critical (NTC) data stream only, and its main outputs include the column averaged dry air mixing ratio of methane, the random error, and the biased corrected dry air methane fraction data based on the retrieved surface albedo. Starting from orbit #12432 on March 7th of 2020, the S-NPP auxiliary cloud data source used in the methane product data processing has been transitioned from the VIIRS Cloud Mask (VCM) into the Enterprise Cloud Mask (ECM).The data are stored in an enhanced netCDF-4 format.
TROPOMI/Sentinel-5P Near UV Aerosol Optical Depth and Single Scattering Albedo L2 1-Orbit Snapshot 7.5 km x 3 km
As part of the NASA's Making Earth System Data Records for Use in Research Environments (MEaSUREs) program, this projects describes a multi-decadal Fundamental Climate Data Record (FCDR) of calibrated radiances as well as an Earth System Data Record (ESDR) of aerosol properties over the continents derived from a 32-year record of satellite near-UV observations by three sensors. The Corpenicus Sentinel-5P TROPOMI Near UV (version 1) Aerosol Optical Depth and Single Scattering Albedo data product consists of aerosol absorption optical depth, aerosol total optical depth, aerosol layer height, aerosol UV index, and aerosol single scattering albedo at approximately 7.5kmx3km. This product also contains ancillary data for ocean corrected surface albedo and terrain pressure.Data since July 19, 2022 (orbit 24688) has been processed with the most recent calibrated L1B radiance data (version 2.0.1). Data prior to July 19, 2022, data was processed with version 2.0.0 L1B radiances. Soon, the entire record will be reprocessed using version 2.0.1 L1B data. Any upgrades will be posted here. These Level-2 data are stored in the NetCDF-4 format and are available from the Goddard Earth Sciences (GES) Data and Information Services Center (DISC).
OPERA Radiometric Terrain Corrected SAR Backscatter from Sentinel-1 Static Layers validated product (Version 1)
The Observational Products for End-Users from Remote Sensing Analysis (OPERA) Radiometric Terrain Corrected (RTC) SAR Backscatter from Sentinel-1 (S1) Static Layers (RTC-S1-STATIC) validated product contains static radar geometry layers associated with the OPERA Radiometric Terrain Corrected (RTC) SAR Backscatter from Sentinel-1 (S1) (RTC-S1) validated product. Due to the S1 mission’s narrow orbital tube, radar-geometry layers such as incidence angle, local incidence angle, number of looks, and RTC Area Normalization Factor (ANF) vary slightly over time for each position on the ground, and therefore are considered static. These static layers are provided separately from the OPERA RTC-S1 product, as they are produced only once or a limited number of times, to account for changes in the DEM, in the S1 orbit, or in the static-layers generation algorithm. Static layers are provided as single-band cloud-optimized GeoTIFF (COG) files, with map grid matching RTC-S1 products with the same burst ID. The standard OPERA RTC-S1 product is derived from the original Copernicus Sentinel-1 (S1) interferometric wide (IW) single-look complex (SLC) data, provided by the European Space Agency, with a temporal sampling coincident with the availability of Sentinel-1A and Sentinel-1B SLC data. The OPERA RTC-S1-STATIC and RTC-S1 products are provided at a near global scope (land masses excluding Antarctica). The RTC-S1 products are available in the associated OPERA Radiometric Terrain Corrected SAR Backscatter from Sentinel-1 validated product (Version 1) dataset.
OPERA Dynamic Surface Water Extent from Harmonized Landsat Sentinel-2 product (Version 1)
This dataset contains Level-3 Dynamic OPERA surface water extent product version 1. The data are validated surface water extent observations beginning April 2023. Known issues and caveats on usage are described under Documentation. The input dataset for generating each product is the Harmonized Landsat-8 and Sentinel-2A/B/C (HLS) product version 2.0. HLS products provide surface reflectance (SR) data from the Operational Land Imager (OLI) aboard the Landsat 8 satellite and the MultiSpectral Instrument (MSI) aboard the Sentinel-2A/B/C satellite. The surface water extent products are distributed over projected map coordinates using the Universal Transverse Mercator (UTM) projection. Each UTM tile covers an area of 109.8 km × 109.8 km. This area is divided into 3,660 rows and 3,660 columns at 30-m pixel spacing. Each product is distributed as a set of 10 GeoTIFF (Geographic Tagged Image File Format) files including water classification, associated confidence, land cover classification, terrain shadow layer, cloud/cloud-shadow classification, Digital elevation model (DEM), and Diagnostic layer.<br><br>The digital elevation model (DEM) provided as a layer of the DSWx-HLS product (band 10) was generated using the Copernicus DEM 30-m and Copernicus DEM 90-m models provided by the European Space Agency. The Copernicus DEM 30-m and Copernicus DEM 90-m were produced using Copernicus WorldDEM-30 © DLR e.V. 2010-2014 and © Airbus Defence and Space GmbH 2014-2018 provided under COPERNICUS by the European Union and ESA; all rights reserved. The organizations in charge of the OPERA project, the Copernicus programme, and Airbus Defence and Space GmbH by law or by delegation do not assume any legal responsibility or liability, whether express or implied, arising from the use of this DEM.<br><br>The OPERA DSWx-HLS product contains modified Copernicus Sentinel data (2023-2025).<br><br>To access the calibration/validation database for OPERA Dynamic Surface Water Extent Products, please contact podaac@podaac.jpl.nasa.gov
Sentinel-5P TROPOMI Total Ozone Column 1-Orbit L2 5.5km x 3.5km V2 (S5P_L2__O3_TOT_HiR) at GES DISC
Starting from August 6th in 2019, Sentinel-5P TROPOMI along-track high spatial resolution (~5.5km at nadir) has been implemented.Starting from July 13th in 2020, five Sentinel-5P TROPOMI level-2 products including total and tropospheric column ozone, sulfur dioxide, CLOUD, and formaldehyde have been generated in processor version 2.For data before August 6th of 2019, please check S5P_L2__O3_TOT_1 data collection.For data between August 6th of 2019 and July 13th of 2020, please check S5P_L2__O3_TOT_HiR_1 data collection.For data after July 13th of 2020, please check S5P_L2__O3_TOT_HiR_2 data collection.The Copernicus Sentinel-5 Precursor (Sentinel-5P or S5P) satellite mission is one of the European Space Agency's (ESA) new mission family - Sentinels, and it is a joint initiative between the Kingdom of the Netherlands and the ESA. The sole payload on Sentinel-5P is the TROPOspheric Monitoring Instrument (TROPOMI), which is a nadir-viewing 108 degree Field-of-View push-broom grating hyperspectral spectrometer, covering the wavelength of ultraviolet-visible (UV-VIS, 270nm to 495nm), near infrared (NIR, 675nm to 775nm), and shortwave infrared (SWIR, 2305nm-2385nm). Sentinel-5P is the first of the Atmospheric Composition Sentinels and is expected to provide measurements of ozone, NO2, SO2, CH4, CO, formaldehyde, aerosols and cloud at high spatial, temporal and spectral resolutions.This total column ozone product (S5P_L2__O3_TOT, aka ESA's S5P_L2__O3____) applies the the Direct-fitting algorithm (S5P_TO3_GODFIT), comprising a non-linear least squares inversion by comparing the simulated and measured backscattered radiances. The main products include total vertical column ozone, ozone effective temperature, and the error information in NetCDF-4 format.
Sentinel-5P TROPOMI Cloud 1-Orbit L2 5.5km x 3.5km V2 (S5P_L2__CLOUD__HiR) at GES DISC
Starting from August 6th in 2019, Sentinel-5P TROPOMI along-track high spatial resolution (~5.5km at nadir) has been implemented.Starting from July 13th in 2020, five Sentinel-5P TROPOMI level-2 products including total and tropospheric column ozone, sulfur dioxide, CLOUD, and formaldehyde have been generated in processor version 2.For data before August 6th of 2019, please check S5P_L2__CLOUD__1 data collection.For data between August 6th of 2019 and July 13th of 2020, please check S5P_L2__CLOUD__HiR_1 data collection.For data after July 13th of 2020, please check S5P_L2__CLOUD__HiR_2 data collection.The Copernicus Sentinel-5 Precursor (Sentinel-5P or S5P) satellite mission is one of the European Space Agency's (ESA) new mission family - Sentinels, and it is a joint initiative between the Kingdom of the Netherlands and the ESA. The sole payload on Sentinel-5P is the TROPOspheric Monitoring Instrument (TROPOMI), which is a nadir-viewing 108 degree Field-of-View push-broom grating hyperspectral spectrometer, covering the wavelength of ultraviolet-visible (UV-VIS, 270nm to 495nm), near infrared (NIR, 675nm to 775nm), and shortwave infrared (SWIR, 2305nm-2385nm). Sentinel-5P is the first of the Atmospheric Composition Sentinels and is expected to provide measurements of ozone, NO2, SO2, CH4, CO, formaldehyde, aerosols and cloud at high spatial, temporal and spectral resolutions.The TROPOMI Cloud products are retrieved by two algorithms. The S5P_CLOUD_OCRA is based on the Optical Cloud Recognition Algorithm which generates the fractional cloud cover. The S5P_CLOUD_ROCINN (the Retrieval Of Cloud Information through Neural Networks algorithm) is built on measurements in and around the O2 A-band, which produces the cloud optical thickness and the cloud top height.
Sentinel-5P TROPOMI Aerosol Index 1-Orbit L2 5.5km x 3.5km V2 (S5P_L2__AER_AI_HiR) at GES DISC
Starting from August 6th in 2019, Sentinel-5P TROPOMI along-track high spatial resolution (~5.5km at nadir) has been implemented.For data before August 6th of 2019, please check S5P_L2__AER_AI_1 data collection.The Copernicus Sentinel-5 Precursor (Sentinel-5P or S5P) satellite mission is one of the European Space Agency's (ESA) new mission family - Sentinels, and it is a joint initiative between the Kingdom of the Netherlands and the ESA. The sole payload on Sentinel-5P is the TROPOspheric Monitoring Instrument (TROPOMI), which is a nadir-viewing 108 degree Field-of-View push-broom grating hyperspectral spectrometer, covering the wavelength of ultraviolet-visible (UV-VIS, 270nm to 495nm), near infrared (NIR, 675nm to 775nm), and shortwave infrared (SWIR, 2305nm-2385nm). Sentinel-5P is the first of the Atmospheric Composition Sentinels and is expected to provide measurements of ozone, NO2, SO2, CH4, CO, formaldehyde, aerosols and cloud at high spatial, temporal and spectral resolutions.The TROPOMI UV Aerosol Index has been calculated based on wavelength dependent changes in Rayleigh scattering in the UV spectral range where ozone absorption is weak. A residual value is calculated from measured top-of-atmosphere (TOA) reflectance and per-calculated theoretical reflectance for a Rayleigh scattering-only atmosphere given a wavelength pair. TROPOMI UVAI products use the classical wavelength pair of 340/380 nm, and the OMI chosen 354/388 nm pair for the long-term continuous AI record. Figure 1 shows TROPOMI UVAI of orbit# 4060.
Sentinel-5P TROPOMI Ozone Profile 1-Orbit L2 30km x 30km V2 (S5P_L2__O3__PR_HiR) at GES DISC
Starting from August 6th in 2019, Sentinel-5P TROPOMI along-track high spatial resolution (~5.5km at nadir) has been implemented. S5P_L2__O3__PR_HiR data collection contains the high spatial resolution products. The Sentinel-5 Precursor (Sentinel-5P or S5P) satellite mission is one of the European Space Agency's (ESA) new mission family - Sentinels, and it is a joint initiative between the Kingdom of the Netherlands and the ESA. The sole payload on Sentinel-5P is the TROPOspheric Monitoring Instrument (TROPOMI), which is a nadir-viewing 108 degree Field-of-View push-broom grating hyperspectral spectrometer, covering the wavelength of ultraviolet-visible (UV-VIS, 270nm to 495nm), near infrared (NIR, 675nm to 775nm), and shortwave infrared (SWIR, 2305nm-2385nm). Sentinel-5P is the first of the Atmospheric Composition Sentinels and is expected to provide measurements of ozone, NO2, SO2, CH4, CO, formaldehyde, aerosols and cloud at high spatial, temporal and spectral resolutions.This product contains ozone profile with a vertical resolution of 6 km and a horizontal resolution of 30x30km2 observed at about 13:30 local solar time from spectra measured by TROPOMI
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