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16 results for “Danube Delta”
Inundation maps of Danube Delta for 10 dates within the period 2016/10/05 to 2017/08/01 and their accompanying INSPIRE metadata XML files
<p>Satellite-derived inundation maps offer an efficient solution for monitoring the spatial and temporal variability of the hydrological cycle of wetlands. This task is important for taking mitigation actions against factors (e.g. climate change and human pressures) threatening wetlands' functions and services.</p> <p>Inundation maps within the period 2016/10/05 to 2017/08/01 were generated for Danube Delta based on the methodology presented in "Kordelas, G.A.; Manakos, I.; Aragonés, D.; Díaz-Delgado, R.; Bustamante, J. Fast and Automatic Data-Driven Thresholding for Inundation Mapping with Sentinel-2 Data. <em>Remote Sens.</em> <strong>2018</strong>, <em>10</em>, 910.".</p> <p>Each inundation map is named as " 'Date'_inundation_map_Danube_Delta_S2.tif ", and contains the following classes: Inundated Class, Non-inundated Class. In this map, Inundated and Non-inundated Classes are denoted with 0 and 1, respectively. The regions, which are manually denoted as affected by clouds, are denoted with 2. 'Date' is in the form YYYY_MM_DD.</p>
Danube Delta NDWIs collection from 2011 to 2014
<p>Normalized Difference Water Index (NDWI) (signed integer file, scale factor 0.001) of Danube Delta Protected Area (PA).</p>
Danube Delta (Romania) - NEVERMORE Climate Dataset
<p>The dataset consist of the historical and climate projection (CMIP6) for gridded atmospheric variables and the climate hazards/extreme events alongside the return values (likelihood) of hazards/extreme events. The dataset was developed during NEVERMORE project as part of WP3 from CMCC and NCSRD.</p>
Hydroperiod map of Danube Delta for 2016/2017 and its accompanying INSPIRE metadata XML file
<p>The annual hydroperiod of wetlands, which is affected by global trends and human activities, is a critical<br> ecological parameter that shapes aquatic plants’ and animals’ distribution and determines available habitat<br> for many of the living organisms. Thus, its estimation is useful for the sustainable management of wetlands.</p> <p>The hydroperiod map of Danube Delta is named: "Danube_Delta_Hydroperiod_from_1st_Sept_2016_to_31st_Aug_2017_using_Sentinel_2_inundation_maps.tif". The pixel values range from 0 to 365 (or 366 for leap years) and denote the number of days a pixel is inundated within a year. The map is generated by interpolating satellite-derived inundation maps falling within the period indicated in its filename.</p> <p>The interpolation approach is the following: For two dates separated by n days, the occurrence of water is compared. If a pixel is inundated on both dates, then it is assumed inundated for n-days. If a pixel is not inundated on both dates, then it is assumed inundated for n/2 days. In the hydroperiod map, the total number of inundation days per pixel is determined by accumulating the inundated days throughout the desired time period.</p>
Figure 2 in The Red-footed Falcon Falco vespertinus population in the Danube Delta and its habitat selection for breeding
Figure 2. Relationship between the presence of a breeding population of RfF and explanatory variables selected. The graphics show the relationship between RfF nest presence and (a) the mean temperature of the warmest quarter, (b) the precipitation of the warmest quarter, (c) the number of patches of habitat in 3000 m radius from the nest, (d) the percent of open habitats in 3000 m radius from the nest, (e) the type of nest used (colonial rook nest or solitary magpie and hooded crow nest), (f) the Simpson index.
Figure 1 in The Red-footed Falcon Falco vespertinus population in the Danube Delta and its habitat selection for breeding
Figure 1. Distribution of the occupied nests of Falco vespertinus inside the ROSPA0031 Danube Delta and Razim–Sinoe Complex (and the 3000 m buffer area outside its perimeter) during the breeding season of 2020.
Linked collectors and determiners for: Records of macrozoobenthos organisms in the Ukrainian part of the Danube delta during 2007-2021.
Natural history specimen data linked to collectors and determiners held within, "Records of macrozoobenthos organisms in the Ukrainian part of the Danube delta during 2007-2021". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/c8908f9c-241c-4569-8874-3b24e56dd92e">https://bionomia.net/dataset/c8908f9c-241c-4569-8874-3b24e56dd92e</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/c8908f9c-241c-4569-8874-3b24e56dd92e">https://gbif.org/dataset/c8908f9c-241c-4569-8874-3b24e56dd92e</a>. Formatted as a Frictionless Data package.
Comprehensive bathymetry of the Danube Delta three branches
<p>This dataset contains the following:</p> <ul> <li><strong>Bathymetry of the Danube Delta three branches</strong> (bathymetry_Danube.nc). Elevation values are provided in meters relative to the EGM2008 geoid, with positive values indicating depths below the geoid. This dataset was obtained by combining data from the Ukrainian Scientific Center of Ecology of the Sea (<a href="https://sea.gov.ua/index.php/2016/07/28/about-ukrsces/?lang=en">UkrSCES</a>), the Galati Lower Danube River Administration (<a href="https://www.afdj.ro/en">AFDJ</a>), the Danube Delta National Institute for Research and Development (<a href="https://ddni.ro/wps/">DDNIRD</a>) and Copernicus' Digital Elevation Model.</li> <li><strong>Code example to read netcdf files in Python</strong> (read_netcdf.py).</li> </ul>
Figure 1 in Accumulation of chromium, cadmium and arsenic in white-tailed sea-eagle feathers ( Haliaeetus albicilla) from the Danube Delta Biosphere Reserve and surrounding (Romania)
Figure 1. Geographical distribution of sampling points for WtSe (Haliaeetus albicilla) from DDBR and the surrounding areas.
Fig. 1 in Are The Angels, Barnea Candida (Myoida, Pholadidae), Backing To The Danube Delta In The Black Sea?
Fig. 1. External view of "Angel's wings" shell Barnea
Figure. The occurrence of paedomorphosis in Lissotriton vulgaris populations within Romania: past records (filled diamonds), our record (filled square). in Facultative paedomorphosis in a population of Lissotriton vulgaris (Amphibia: Salamandridae) from the Danube Delta Biosphere Reserve (Romania)
Figure. The occurrence of paedomorphosis in Lissotriton vulgaris populations within Romania: past records (filled diamonds), our record (filled square).
Figure. Map of the study area with the locations of actively used white-tailed eagle nests in the years 2009–2011. in Nest-site selection, breeding success, and diet of white-tailed eagles (Haliaeetus albicilla) in the Danube Delta, Romania
Figure. Map of the study area with the locations of actively used white-tailed eagle nests in the years 2009–2011.
Figure 5 in Accumulation of chromium, cadmium and arsenic in white-tailed sea-eagle feathers ( Haliaeetus albicilla) from the Danube Delta Biosphere Reserve and surrounding (Romania)
Figure 5. Boxplot (median, variability and outliers can be observed) of the values observed for the three elements in the samples coming from juvenile specimens.
Figure 2 in Accumulation of chromium, cadmium and arsenic in white-tailed sea-eagle feathers ( Haliaeetus albicilla) from the Danube Delta Biosphere Reserve and surrounding (Romania)
Figure 2. Accumulation level of chromium identified in the feathers sorted by age. Average values for each sampling point are showed when there were multiple samples available.
Figure 3 in Accumulation of chromium, cadmium and arsenic in white-tailed sea-eagle feathers ( Haliaeetus albicilla) from the Danube Delta Biosphere Reserve and surrounding (Romania)
Figure 3. Accumulation level of arsenic identified in the feathers sorted by age. Average values for each sampling point are showed when there were multiple samples available.
Figure 4 in Accumulation of chromium, cadmium and arsenic in white-tailed sea-eagle feathers ( Haliaeetus albicilla) from the Danube Delta Biosphere Reserve and surrounding (Romania)
Figure 4. Accumulation level of cadmium identified in the feathers sorted by age.
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OpenNeuro
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