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2,019 results for “boundary”
Shapefiles for glacier, stream channel, and watershed boundaries in the McMurdo Dry Valleys, Antarctica (2023)
This data package includes shapefiles for selected glacier, stream watershed, and stream channel boundaries in the McMurdo Dry Valleys region of Antarctica. A combination of satellite imagery and digital elevation models were used to delineate watershed and stream channel outlines, while glaciers were outlined by hand. Watershed boundaries provide an estimate of the overall topographic contributing area for each stream in Fryxell Basin, whereas stream channel boundaries provide a topographic area estimate for stream channel, beyond the wetted margin, for each stream.
Saddle grid boundary, Niwot Ridge LTER, Colorado
Polygon boundary coverage for Saddle grid. 1:500 scale. This dataset is part of the Saddle grid geographic information system (GIS). Additional information concerning the Niwot Ridge LTER hierarchical GIS can be found in Walker et al. (1993).
Boundaries of the designated 30m Ipswich Watershed Study Area - Idrisi Raster File.
This datalayer is part of a group of layers used for research in the Ipswich River Watershed. This raster digital data is the extent of the Ipswich Project study area as determined by Clark University in a collaborative effort with Marine Biological Laboratory and University of New Hampshire. This image should be used as a base for all new raster data.
Boundaries of the designated study area - Ipswich and Parker River Watersheds - Idrisi Raster File.
This datalayer is part of a group of layers used for research in the Ipswich River Watershed. This layer was created in July 2006 for Marine Biological Laboratory (MBL) in Woods Hole. This layer shows a mask of the Plum Island Ecosystems (PIE) study area, for use with the corresponding land use maps. This datalayer has complete information. Display study area.
Boundaries of the designated study area - Ipswich and Parker River Watersheds - Idrisi Vector File.
This datalayer is part of a group of layers used for research in the Ipswich River Watershed. This layer was created in July 2006 for Marine Biological Laboratory (MBL) in Woods Hole. This layer shows the boundaries of the PIE study area. This datalayer has complete information. Display boundaries for the study area.
Boundaries of the Ipswich River and Parker River Watersheds - Idrisi Vector File.
This datalayer is part of a group of layers used for research in the Ipswich River Watershed. This layer was created in July 2006 for Marine Biological Laboratory (MBL) in Woods Hole. This layer shows the boundaries for the Ipswich River and the Parker River Watersheds. This datalayer has complete information. Display watershed boundaries for the study area.
Salt Marsh Boundaries and Areas of Change on the Eastern Shore of Virginia, USA
Between 2002-2017, migration and edge erosion were measured in three mainland geomorphic marsh types (headland, valley, hammock) and were used to assess the rate and spatial extent of marsh change for the Eastern Shore of Virginia. The boundary between high salt marsh and forest was delineated by hand digitizing 2002 and 2017 imagery and the area was determined between the 2002 and 2017 treelines at each of the salt marshes. The 2017 delineated treelines and marsh edges were confirmed through personal observations by walking the along both types of boundaries, comparing them to printouts of the delineated boundaries. There were few discrepancies, but where differences were observed, the delineated boundaries were adjusted to account for field observations. All ESVA seaside marshes were identified using aerial imagery and GIS. The marsh counts shapefile is the result of that analysis. Each point identifies an individual marsh.
Shorelines and island boundaries for the Atlantic barrier islands of Virginia, 1851-2017
This dataset provides a shorelines (VBI-allshores.zip) and set of area polygons (VBI-allislands.zip) delineated from historical NOS t-sheet (1851-1962) and USGS satellite imagery (1994-2017) spanning the barrier islands of the Eastern Shore of Virginia in multiple GIS data layers. The VBI-allshores dataset provides a comprehensive set of historical NOS t-sheet (1851-1979) and satellite imagery (1980-2017) shorelines spanning the islands south of Assateague along the Virginia Eastern Shore in a single GIS data layer. This shoreline dataset compliments and overlaps other VCRLTER shoreline datasets for the Virginia barrier islands that contain historical shorelines derived from a combination of sources, including photointerpretation of aerial photos, satellite imagery, and LiDAR assessments (from USGS, NOAA, VITA-VGIN-VBMP, and others). The VBI-islands dataset provides a set of area polygons delineated from historical NOS t-sheet (1851-1962) and USGS satellite imagery (1994-2017) spanning the barrier islands of the Eastern Shore of Virginia in multiple GIS data layers.
Hog Island, VA shorelines and upland/marsh boundaries 1852-2001
Digital outlines of Hog Island VA for: 1852, 1871, 1910, 1919, 1943, 1967, 1980, 1990 and 1993. The coverage-ID field contains a number that allow distinguishing marsh from upland areas (typically 1=marsh, 2=upland). There are also .jpg image files containing browse images for the coverages. /// Update: John Porter added 2001 based on digitization of a 10/15/2001 IKONOS satellite image. The high tide line was digitized on the beach based on the edge of the wetted sand. For the marsh, the marsh-lagoon border was digitized. The upland/marsh boundary is not included for 2001. Original shapefiles (one per year) are in NAD27 UTM 18N. Update2: Dave Richardson combined shapefiles for individual years into a single shapefile with YEAR added as a distinguishing attribute. CLASS was added as a text string to describe the value of ID (0=Water, 1=Marsh, 2=Upland, or 3=Upland+Marsh). Finally, data was reprojected from UTM 18N NAD27 to UTM 18N WGS84 and the Area and Perimeter values recalculated. This is now the most up-to-date version of this dataset, and supercedes dataset VCR97037.
Datasets used in "Verifying Operational Forecasts of Land-Sea Breeze and Boundary Layer Mixing Processes"
<p>Zip file containing datasets used in "Verifying Operational Forecasts of Land-Sea Breeze and Boundary Layer Mixing Processes". In particular, wind magnitude and direction data from automatic weather stations, the Australian Burea of Meteorology's official edited forecast, and unedited ACCESS and ECMWF model data. Data in NETCDF format. </p>
Fig. 15 in Ostracods (Crustacea) associated with microbialites across the Permian-Triassic boundary in Dajiang (Guizhou Province, South China)
Fig. 15. (opposite page). Ostracods from the Dajiang section, South China. — A–B. Callicythere postiangusta Wei, 1981. A. Carapace, left lateral view, P6M3126. B. Carapace, left lateral view, P6M3127. — C–E. Callicythere sp. 1. C. Carapace, right lateral view, P6M3128. D. Carapace, right lateral view, P6M3129. E. Carapace, dorsal view, P6M3130. — F. Sulcella sp. 1, carapace, right lateral view, P6M3133. — G. Sulcella? sp. 2, carapace, right lateral view, P6M3134. — H–I. Polycope sp. 1. I. Carapace, right? lateral view, P6M3135. J. Carapace, right? lateral view, P6M3136. — J. Polycope sp. 2, carapace, right? lateral view, P6M3137. — K. Polycope? sp. 3, carapace, right? lateral view, P6M3138. — L–M. Cyathus sp. 1. L. Carapace, right lateral view, P6M3139. M. Carapace, dorsal view, P6M3140. — N. Cyathus sp. 2, carapace, right lateral view, P6M3141. — O. Amphissites? sp. 1, carapace, right lateral view, P6M3142. — P. Amphissites? sp. 2, broken carapace, right lateral view, P6M3143. — Q. Shleesha? sp. 1, broken carapace, right lateral view, P6M3144. — R. Kirkbya? sp. 1, carapace, right lateral view, P6M3145. — S. Kirkbya? sp. 2, carapace, right lateral view, P6M3146. — T. Oliganisus? sp. 1, carapace, left lateral view, P6M3147. — U. Paraparchites sp. 1, carapace, right lateral view, P6M3148. — V. Paraparchitidae indet., carapace, right lateral view, P6M3149. — W. Shemonaella sp. 1, carapace, left lateral view, P6M3150. – Scale = 100 µm.
Fig. 14 in Ostracods (Crustacea) associated with microbialites across the Permian-Triassic boundary in Dajiang (Guizhou Province, South China)
Fig. 14. Ostracods from the Dajiang section, South China. — A–B. Paracypris cf. gaetanii Crasquin– Soleau, 2006. A. Carapace, right lateral view, P6M3104. B. Carapace, right lateral view, P6M3105. — C–E. Paracypris sp. 6. C. Carapace, right lateral view, P6M3106. D. Carapace, right lateral view, P6M3107. E. Carapace, right lateral view, P6M3108. — F. Paracypris sp. 1, carapace, right lateral view, P6M3109. — G. Paracypris? sp. 2, carapace, right lateral view, P6M3110. — H. Paracypris? sp. 3, carapace, right lateral view, P6M3111. — I. Paracypris? sp. 4, carapace, right lateral view, P6M3112. — J–M. Paracypris? sp. 5. J. Carapace, right lateral view, P6M3113. K. Carapace, right lateral view, P6M3114. L. Carapace, dorsal view, P6M3151. M. Carapace, right lateral view, P6M3115. — N. Monoceratina? sp. 1, carapace, right lateral view, P6M3116. — O–R. Basslerella tota Chen & Bao, 1986. O. Carapace, right lateral view, P6M3117. P. Carapace, right lateral view, P6M3118. Q. Carapace, right lateral view, P6M3119. R. Carapace, right lateral view, P6M3120. — S. Basslerella? sp. 1, carapace, right lateral view, P6M3121. — T–W. Callicythere postiangusta Wei, 1981. T. Carapace, right lateral view, P6M3122. U. Carapace, right lateral view, P6M3123. V. Carapace, right lateral view, P6M3124. W. Carapace, dorsal view, P6M3125. – Scale = 100 µm.
Fig. 9 in Ostracods (Crustacea) associated with microbialites across the Permian-Triassic boundary in Dajiang (Guizhou Province, South China)
Fig. 9. Ostracods from the Dajiang section, South China. — A–D. Bairdia sp. 25. A. Carapace, right lateral view, P6M3011. B. Carapace, right lateral view, P6M3012. C. Carapace, right lateral view, P6M3013. D. Carapace, right lateral view, P6M3014. — E–G. Bairdia sp. 26. E. Carapace, right lateral view, P6M3015. F. Carapace, right lateral view, P6M3016. G. Carapace, right lateral view, P6M3017. — H–I. Bairdia sp. 27. H. Carapace, right lateral view, P6M3018. I. Carapace, right lateral view, P6M3019. — J-K. Bairdia sp. 28. J. Carapace, right lateral view, P6M3020. K. Carapace, right lateral view, P6M3021. — L–N. Bairdia sp. 29. L. Carapace, right lateral view, P6M3022. M. Carapace, right lateral view, P6M3023. N. Carapace, right lateral view, P6M3024. — O–Q. Bairdia sp. 30. O. Carapace, right lateral view, P6M3025. P. Carapace, right lateral view, P6M3026. Q. Carapace, right lateral view, P6M3027. — R-S. Bairdia sp. 31. R. Carapace, right lateral view, P6M3028. S. Carapace, right lateral view, P6M3029. — T–W. Bairdia sp. 32. T. Carapace, right lateral view, P6M3030. U. Carapace, right lateral view, P6M3031. V. Carapace, right lateral view, P6M3032. W. Carapace, left lateral view, P6M3033. – Scale = 100 µm.
Fig. 8 in Ostracods (Crustacea) associated with microbialites across the Permian-Triassic boundary in Dajiang (Guizhou Province, South China)
Fig. 8. Ostracods from the Dajiang section, South China. — A. Bairdia sp. 10, carapace, right lateral view, P6M2987. — B. Bairdia sp. 11, carapace, right lateral view, P6M2988. — C. Bairdia sp. 12, carapace, right lateral view, P6M2989. — D. Bairdia sp. 13, carapace, right lateral view, P6M2990. — E. Bairdia sp. 14, carapace, right lateral view, P6M2991. — F. Bairdia sp. 15, carapace, right lateral view, P6M2992. — G. Bairdia sp. 16, carapace, right lateral view, P6M2993. — H. Bairdia sp. 17, carapace, right lateral view, P6M2994. — I–L. Bairdia sp. 18. I. Carapace, right lateral view, P6M2995. J. Carapace, right lateral view, P6M2996. K. Carapace, right lateral view, P6M2997. L. Carapace, dorsal view, P6M2998. — M–N. Bairdia sp. 19. M. Carapace, right lateral view, P6M2999. N. Carapace, right lateral view, P6M3000. — O–P. Bairdia sp. 20. O. Carapace, right lateral view, P6M3001. P. Carapace, right lateral view, P6M3002. — Q. Bairdia sp. 21, carapace, right lateral view, P6M3003. — R–S. Bairdia sp. 22. R. Carapace, right lateral view, P6M3004. S. Carapace, right lateral view, P6M3005. — T. Bairdia sp. 23, carapace, right lateral view, P6M3006. — U–W. Bairdia sp. 24. U. Carapace, right lateral view, P6M3007. V. Carapace, right lateral view, P6M3008. W. Carapace, right lateral view, P6M3009. — X. Bairdia cf. sp. 24, carapace, right lateral view, P6M3010. – Scale = 100 µm.
Fig. 7 in Ostracods (Crustacea) associated with microbialites across the Permian-Triassic boundary in Dajiang (Guizhou Province, South China)
Fig. 7. Ostracods from the Dajiang section, South China. — A–B. Bairdia sp. 3. A. Carapace, right lateral view, P6M2963. B. Carapace, dorsal view, P6M2964. — C. Bairdia sp. 4, Carapace, right lateral view, P6M2965. — D–J. Bairdia sp. 5. D. Carapace, right lateral view, P6M2966. E. Carapace, right lateral view, P6M2967. F. Carapace, right lateral view, P6M2968. G. Carapace, right lateral view, P6M2969. H. Carapace, right lateral view, P6M2970. I. Carapace, right lateral view, P6M2971. J. Carapace, right lateral view, P6M2972. — K–M. Bairdia? sp. 6. K. Carapace, left lateral view, P6M2973. L. Carapace, right lateral view, P6M2974. L. Carapace, right lateral view, P6M2975. — N–S. Bairdia sp. 7. N. Carapace, left lateral view, P6M2976. O. Carapace, right lateral view, P6M2977. P. Carapace, right lateral view, P6M2978. Q. Carapace, right lateral view, P6M2979. R. Carapace, right lateral view, P6M2980. S. Carapace, right lateral view, P6M2981. — T–U. Bairdia sp. 8. T. Carapace, right lateral view, P6M2982. U. Carapace, right lateral view, P6M2983. — V–W.?Bairdia sp. 8. V. Carapace, right lateral view, P6M2984. W. Carapace, right lateral view, P6M2985. — X. Bairdia sp. 9, carapace, right lateral view, P6M2986. – Scale = 100 µm.
Fig. 16 in Ostracods (Crustacea) associated with microbialites across the Permian-Triassic boundary in Dajiang (Guizhou Province, South China)
Fig. 16. Evolution of the ostracod faunas through the PTB in Dajiang. A. Evolution of the number of species (species richness) and number of specimens (abundance). B. Evolution of the relative proportions of each superfamily/family. C. Evolution of the relative proportions of each palaeoecological group.
Fig. 4 in Ostracods (Crustacea) associated with microbialites across the Permian-Triassic boundary in Dajiang (Guizhou Province, South China)
Fig. 4. Ostracods from the Dajiang section, South China. — A–F. Bairdia? huberti sp. nov. A. Carapace, right lateral view, P6M2939. B. Carapace, right lateral view, P6M2940. C. Paratype, carapace, right lateral view, P6M2941. D. Holotype, carapace, right lateral view, P6M2942. E. Carapace, right lateral view, P6M2943. F. Carapace, right lateral view, P6M2944. — G–P. Bairdia jeromei sp. nov. G. Holotype, carapace, right lateral view, P6M2945. H. Carapace, dorsal view, P6M2946. I. Carapace, right lateral view, P6M2947. J. Paratype, carapace, right lateral view, P6M2948. K. Carapace, right lateral view, P6M2949. L. Carapace, right lateral view, P6M2950. M. Carapace, right lateral view, P6M2951. N. Carapace, right lateral view, P6M2952. O. Carapace, right lateral view, P6M2953. P. Carapace, right lateral view, P6M2954. — Q–T. Bairdia limatusformis Forel, 2010. Q. Carapace, right lateral view, P6M2955. R. Carapace, left lateral view, P6M2956. S. Carapace, sub-dorsal view, P6M2957. T. Carapace, right lateral view, P6M2958. — U–V. Bairdia sp. 1. U. Carapace, right lateral view, P6M2959. V. Carapace, right lateral view, P6M2960. — W–X. Bairdia sp. 2. W. Carapace, dorsal view, P6M2961. X. Carapace, right lateral view, P6M2962. – Scale = 100 µm.
Fig. 3 in Ostracods (Crustacea) associated with microbialites across the Permian-Triassic boundary in Dajiang (Guizhou Province, South China)
Fig. 3. Ostracods from the Dajiang section, South China. — A–D. Acratia candyae sp. nov. A. Holotype, carapace, right lateral view, P6M2917. B. Carapace, dorsal view, P6M2918. C. Paratype, carapace, right lateral view, P6M2919. D. Carapace, right lateral view, P6M2920. — E–F. Acratia subfusiformis Wang, 1978. E. Carapace, right lateral view, P6M2921. F. Carapace, right lateral view, P6M2922. — G. Acratia? sp. 1, carapace, right lateral view, P6M2923. — H. Acratia? sp. 2, carapace, right lateral view, P6M2924. — I. Acratia? sp. 3, carapace, right lateral view, P6M2925. — J–K. Acratia sp. 4. J. Carapace, left lateral view, P6M2926. K. Carapace, right lateral view, P6M2927. — L. Acratia sp. 5, carapace, right lateral view, P6M2928. — M. Acratiidae indet., carapace, right lateral view, P6M2929. — N–Q. Bairdia adelineae sp. nov. N. Holotype, carapace, right lateral view, P6M2930. O. Carapace, dorsal view, P6M2931. P. paratype, carapace, right lateral view, P6M2932. Q. Carapace, right lateral view, P6M2933. — R–V. Bairdia gaelleae Crasquin, 2010. R. Carapace, dorsal view, P6M2934. S. Carapace, right lateral view, P6M2935. T. Carapace, left lateral view, P6M2936. U. Carapace, right lateral view, P6M2937. V. Carapace, right lateral view, P6M2938. – Scale = 100 µm.
Fig. 2 in Ostracods (Crustacea) associated with microbialites across the Permian-Triassic boundary in Dajiang (Guizhou Province, South China)
Fig. 2. Lithostratigraphy of the Dajiang Section, with the location of studied samples and ostracod species distribution through the section.
Fig. 13 in Ostracods (Crustacea) associated with microbialites across the Permian-Triassic boundary in Dajiang (Guizhou Province, South China)
Fig. 13. Ostracods from the Dajiang section, South China. — A–B. Petasobairdia sp. 1. A. Carapace, right lateral view, P6M3082. B. Carapace, right lateral view, P6M3083. — C. Petasobairdia sp. 2, carapace, right lateral view, P6M3084. — D–E. Petasobairdia sp. 3. D. Carapace, right lateral view, P6M3085. E. Carapace, right lateral view, P6M3086. — F. Petasobairdia? sp. 4, carapace, right lateral view, P6M3087. — G. Spinocypris sp. 1, carapace, right lateral view, P6M3088. — H–I. Spinocypris? sp. 2. H. Carapace, right lateral view, P6M3089. I. Carapace, right lateral view, P6M3090. — J. Kempfina sp. 1, carapace, right lateral view, P6M3091. — K–L. Silenites sp. 1. K. Carapace, right lateral view, P6M3092. L. Carapace, right lateral view, P6M3093. — M-N. Silenites sp. 2. M. Carapace, right lateral view, P6M3094. N. carapace, right lateral view, P6M3095. — O. Silenites sp. 3, carapace, right lateral view, P6M3096. — P. Silenites sp. 4, carapace, right lateral view, P6M3097. — Q. Microcheilinella cf. venusta Chen, 1958, carapace, dorsal view, P6M3132. — R. Microcheilinella sp. 1, carapace, right lateral view, P6M3131. — S. Cetollina? sp. 1, carapace, right lateral view, P6M3098. — T–X. Paracypris gaetanii Crasquin–Soleau, 2006. T. Carapace, right lateral view, P6M3099. U. Carapace, right lateral view, P6M3100. V. Carapace, left lateral view, P6M3101. W. Carapace, left lateral view, P6M3102. X. Carapace, right lateral view, P6M3103. – Scale = 100 µm.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.