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1,558 results for “southern Africa”
SAFARI 2000 Daily Rainfall Estimates, 0.1-Deg, Southern Africa, 1993-2001
The Microwave InfraRed Algorithm (MIRA) is used to produce an imagery data set of daily mean rain rates at 0.1 degree spatial resolution over southern Africa for the period 1993-2001. MIRA combines passive microwave (PMW) from the Special Sensor Microwave/Imager (SSM/I) on board the DMSP F10 and F14 satellites at a resolution of 0.5 degrees and infrared (IR) data from the Meteosat 4, 5, 6, and 7 satellites in 2-hour slots at a resolution of 5 km. This approach accounts for the limitations of both data types in estimating precipitation. Rainfall estimates are produced at the high spatial and temporal frequency of the IR data using rainfall information from the PMW data. An IR/rain rate relationship, variable in space and time, is derived from coincident observations of IR and PMW rain rate (accumulated over a calibration domain) using the probability matching method. The IR/rain rate relationship is then applied to IR imagery at full temporal resolution. The results presented here are the daily means of those derived rain rates at 0.1 degree spatial resolution.The rainfall data sets are flat binary images with no headers. They are compressed band sequential (bsq) files that contain all of the daily images for the given year. Each image is an array of 341 lines, each with 401 binary floating-point numbers, containing rainfall at 0.1 degree resolution for the area 10 to 50 degrees longitude and 0 to -34 degrees latitude. The number of band sequential images in each annual file and the associated dates can be found in the file MIRA_data_dates.csv.
SAFARI 2000 MODIS 500-m Burned Area Products, Southern Africa, Dry Season 2000
The SAFARI 2000 project was selected as the first regional test for a prototype regional 500 m MODIS burned area product. The MODIS burned area product maps the 500 m location and approximate day of burning using a change detection algorithm based on a bi-directional reflectance model-based expectation method applied to the MODIS near-infrared and shortwave infrared bands (Roy et al., 2002). The algorithm was applied to recently reprocessed 500 m daily MODIS land surface reflectance data to produce burned area data sets for all of southern Africa for 2000 forward. This archived data set contains MODIS 500 m burned area products for two dry season months (July and September 2000).Burned area products are spatially explicit data sets that describe the approximate day of burning at 500 m resolution for all of southern Africa south of the Equator, including Madagascar. The burned area maps are compressed GeoTiff files. Several text files are included in the compressed files to aid ENVI (Research Systems, Inc.) users, including ENVI header files and ENVI density slice files. The data set also includes a projection parameters file.The MODIS burned area data set was validated using a methodology based upon the interpretation of multitemporal Landsat Enhanced Thematic Mapper plus (ETM+) data as described in Roy et al. (in press).
SAFARI 2000 MODIS Airborne Simulator Data, Southern Africa, Dry Season 2000
This dataset contains the Moderate Resolution Imaging Spectroradiometer (MODIS) Airborne Simulator (MAS) multispectral data collected during the SAFARI 2000 project. The flights were undertaken over Southern Africa by the NASA ER-2 aircraft during August and September, 2000.
Fig. 13 in Revision of the aperturally dentate Charopidae (Gastropoda: Stylommatophora) of southern Africa - genus Afrodonta s. lat., with description of five new genera, twelve new species and one new subspecies
Fig. 13. Iterodonta ammonita gen. et sp. nov., holotype, diameter 1.45 mm (NMSA W5826/T4258).
Fig. 24 in A taxonomic revision of seed harvester ants of the Tetramorium solidum group (Hymenoptera: Formicidae) in southern Africa
Fig. 24. Map showing the distribution of species in the Tetramorium solidum group.
Figure 1 from: Londt JGH (2016) A review of the genus Gibbasilus Londt, 1986 in southern Africa (Diptera, Asilidae). African Invertebrates 57(1): 67-81. https://doi.org/10.3897/AfrInvertebr.57.8696
Figure 1 - General appearance of a fairly typical Gibbasilus (Gibbasilus condylus sp. n.) male.
Figure 10 from: Gess S, Gess F (2014) Geographical distributions of Bembix (Hymenoptera, Crabronidae, Bembicinae) in southern Africa, with notes on biology. Journal of Hymenoptera Research 36: 53-130. https://doi.org/10.3897/jhr.36.6491
Figure 10 - Bembix massaica, female, male. (approximate length of female: 15.5 mm)
Figure 5 from: Gess S, Gess F (2014) Geographical distributions of Bembix (Hymenoptera, Crabronidae, Bembicinae) in southern Africa, with notes on biology. Journal of Hymenoptera Research 36: 53-130. https://doi.org/10.3897/jhr.36.6491
Figure 5 - Bembix carinata, female and male. (approximate length of female: 17 mm)
Figure 3 from: Gess S, Gess F (2014) Geographical distributions of Bembix (Hymenoptera, Crabronidae, Bembicinae) in southern Africa, with notes on biology. Journal of Hymenoptera Research 36: 53-130. https://doi.org/10.3897/jhr.36.6491
Figure 3 - Bembix baumani, male. (approximate length: 16.5 mm)
Bursts of rapid diversification, multiple dispersals out of southern Africa, and two origins of dioecy punctuate the evolutionary history of Asparagus
<p>Dataset and result files from phylogenomic analysis and ancestral biogeography estimation across the genus <em>Asparagus</em> using the Asparagaceae1726 bait set. </p> <p>Contents of this version replaces Quartet_Sampling.zip in the previous version.</p> <p><strong>Contents:</strong></p> <ul> <li>Quartet_Sampling_FINAL.zip = input dataset and final results from Quartet Sampling (i.e., 1000 quartet replicates sampled per node) </li> </ul>
APPENDIX: Understanding inter-hominin interaction through an environmental approach: Australopithecus, Homo and Paranthropus in Southern Africa
<p>Appendix I = Appendix_1.csv (key at bottom)</p> <p>High resolution image of CA Biplot = CA_biplot.png</p>
Figure 9. Hygrobates laceratus Lundblad, I in Water mites of the family Hygrobatidae Koch from southern Africa (Acari: Hydrachnidia)
Figure 9. Hygrobates laceratus Lundblad, I-leg-5–6 (slide 1051, SMNH). Scale bar: 50 mm.
Figure 6 in Water mites of the family Hygrobatidae Koch from southern Africa (Acari: Hydrachnidia)
Figure 6. Hygrobates draconicus sp. nov., holotype male, I-leg-5–6. Scale bar: 50 mm.
Figure 7 from: Gess F (2012) A new species of Masarina Richards 1962 from southern Africa, description of the female of M. ceres Gess 1997 and supplementary data on three other species of the genus (Hymenoptera, Vespidae, Masarinae). Journal of Hymenoptera Research 25: 83-92. https://doi.org/10.3897/jhr.25.2442
Figure 7 - Masarina ceres, ♀, head, front view (actual width 2.0 mm)
Figure 1 from: Roques A, Copeland RS, Soldati L, Denux O, Auger-Rozenberg M-A (2016) Megastigmus seed chalcids (Hymenoptera, Torymidae) radiated much more on Angiosperms than previously considered. I- Description of 8 new species from Kenya, with a key to the females of Eastern and Southern Africa. ZooKeys 585: 51-124. https://doi.org/10.3897/zookeys.585.7503
Figure 1 - Distribution in Kenya of the previously described African Megastigmus species.
Figure 2 from: Roques A, Copeland RS, Soldati L, Denux O, Auger-Rozenberg M-A (2016) Megastigmus seed chalcids (Hymenoptera, Torymidae) radiated much more on Angiosperms than previously considered. I- Description of 8 new species from Kenya, with a key to the females of Eastern and Southern Africa. ZooKeys 585: 51-124. https://doi.org/10.3897/zookeys.585.7503
Figure 2 - Distribution in Kenya of the new Megastigmus species identified during our study.
Fig. 49 in Three new genera of tracheline sac spiders from southern Africa (Araneae: Corinnidae)
Fig. 49. Distribution of Fuchiba similis sp. n., F. tortilis sp. n. and F. venteri sp. n.
Fig. 41 in A revision of the Chilodontidae (Gastropoda: Vetigastropoda: Seguenzioidea) of southern Africa and the south-western Indian Ocean
Fig. 41. Distribution of Vaceuchelus cretaceus. Each triangle represents one or more records.
Studies of HIV-1 Infection in Newly Infected Individuals in Southern Africa
ClinicalTrials.gov study NCT00006298. IPD Sharing: Not stated. Countries: 1. Publications: 2.
A Study to Examine the Human Papillomavirus Types Exposure in Women From Southern Africa and Brasil
ClinicalTrials.gov study NCT00840905. IPD Sharing: Not stated. Countries: 3. Publications: 0.
ScienceDex guides
Understand access before you commit
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.