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11,506 results for “Dynamics”
Solar Dynamics Observatory
A searchable database of all Solar Dynamics Observatory data including EUV, magnetograms, visible light and X-ray. SDO: The Solar Dynamics Observatory is the first mission to be launched for NASA's Living With a Star (LWS) Program, a program designed to understand the causes of solar variability and its impacts on Earth. SDO is designed to help us understand the Sun's influence on Earth and Near-Earth space by studying the solar atmosphere on small scales of space and time and in many wavelengths simultaneously. SDO's goal is to understand, driving towards a predictive capability, the solar variations that influence life on Earth and humanity's technological systems by determining how the Sun's magnetic field is generated and structured and how this stored magnetic energy is converted and released into the heliosphere and geospace in the form of solar wind, energetic particles, and variations in the solar irradiance.
Dynamics and Chemistry of the Summer Stratosphere Reports
DCOTSS-Reports features important reports and documentation that support the Dynamics and Chemistry of the Summer Stratosphere sub-orbital campaign. Featured in this product are mission scientist reports, forecasting and flight planning briefings, and pilot reports. A flight report is required to be submitted for all SMD aircraft flights. Mission scientists submit two types of reports: daily reports and science flight summary reports. Daily reports provide high-level summaries of daily weather conditions and forecasts and the flight tasking decisions and options for the ER-2 for the current and next several days. The science flight summary reports are produced after each flight and provides a summary of instrument operating status, the forecasting and planning sequence leading into the mission, and a description of significant events that occurred including problems related to the aircraft or instruments, weather conditions during flight and key observations related to the mission science objectives. Data collection for this product is complete.Each summer the North American Monsoon Anticyclone (NAMA) dominates the circulation of the North-Western Hemisphere and acts to partially confine and isolate air from the surrounding atmosphere. Strong convective storms in the NAMA regularly reach altitudes deep into the lower stratosphere, with some ascending above 20 km. These storms carry water and pollutants from the troposphere into the otherwise very dry stratosphere, where they can have a significant impact on radiative and chemical processes, potentially including destruction of stratospheric ozone. The Dynamics and Chemistry of the Summer Stratosphere (DCOTSS) field campaign is a NASA Earth Venture Suborbital research project aimed at investigating these thunderstorms. DCOTSS utilizes NASA’s ER-2 aircraft and conducted two ~8-week science deployments based out of Salina, KS spanning early to late summer.
Seasonal and annual dynamics of frozen ground, central highland of Iceland, Version 1
This dataset documents a nine-year study to investigate the seasonal and annual dynamics of frozen ground and explore the relationship with environmental factors. The presence/absence of frozen ground and active layer thickness were recorded three times over the growing season (4-7 July, 1-4 August, and 20-24 August) at 51 permanent points in different plant communities and on 12 palsas (Thorhallsdottir 1996, p. 237). Sample size is variable: 33 permanent measurement stations in 1983, 29 in 1984, 63 in 1985-1991. Active layer depth measurement sites averaged 51 over the span of the data set. Data include mean active layer depth (and standard error) in early July and early August (for palsas and with palsas excluded); monthly degree days above zero, precipitation, snow depth, and frost degree days (i.e., below zero.) Data are presented on the CAPS Version 1.0 CD-ROM, June 1998.
GREECE -- Ground-to-Rocket Electrodynamics-Electrons Correlative Experiment: High resolution rocket and ground-based investigations of small-scale auroral structure and dynamics Project
<p> <strong>Methodology </strong>The methodology is based on making comparisons between downward electron flux, DC electric fields, electromagnetic waves, and auroral morphology. The proposed project will launch a rocket from Poker Flat over Fort Yukon to an apogee of 200-300 km when arc or arcs are present that has optical shear-flows present. Data from downgoing electron fluxes over a large energy range, electron density (Langmuir probe), electric and magnetic fields from the in-situ rocket payload and images from all-sky and narrow field cameras at Poker Flat and Fort Yukon will be produced and analyzed. All instrumentation is selected so that high temporal resolution can be achieved. &nbsp;</p>
OPERA Dynamic Surface Water Extent from Sentinel-1 CalVal Database (Version 1)
This dataset contains the calibration/validation (CalVal) database for the OPERA DSWx-S1 product. The CalVal database is a zip file of an Amazon Web Services S3 bucket containing classification items that enable algorithm calibration and validation of OPERA products. The CalVal database contains a Reference Document that further describes the structure and usage of the database, as well as a Validation Results document. Example notebooks demonstrating how to read the database tables, query for specific items, and download corresponding data files are available through the CalVal GitHub repository here: https://github.com/OPERA-Cal-Val/calval-database
Carbon Dynamics in Seagrass and Coral Reef Biomes in the Florida Keys
Measurements made under the High Resolution Assessment of Carbon Dynamics in Seagrass and Coral Reef Biomes, in the Florida Keys.
Dynamics and Chemistry of the Summer Stratosphere Airborne Data Products
DCOTSS-Aircraft-Data features the aircraft data collected during the Dynamics and Chemistry of the Summer Stratosphere sub-orbital campaign. These data products were collected via a variety of instrumentation onboard the NASA ER-2 aircraft, including: Advanced Whole Air Sampler (AWAS), ERA5,GFS, and GEOS-5 Analysis Fields , Meteorological Measurement System (MMS), Particle Analysis by Laser Mass Spectrometry – Next Generation (PALMS-NG), UAS Chromatography for Atmospheric Trace Species (UCATS), DCOTSS Printed Optical Particle Spectrometer (DPOPS), Rapid Ozone Experiment (ROZE), Harvard Water Vapor (HWV), Compact Airborne Nitrogen diOxide Experiment (CANOE), Compact Airborne Formaldehyde Experiment (CAFÉ), Harvard Halogens Experiment (HAL), and Harvard University Picarro Cavity Ringdown Spectrometer (HUPCRS). Data collection for this product is ongoing and currently only features the first deployment.Each summer the North American Monsoon Anticyclone (NAMA) dominates the circulation of the North-Western Hemisphere and acts to partially confine and isolate air from the surrounding atmosphere. Strong convective storms in the NAMA regularly reach altitudes deep into the lower stratosphere, with some ascending above 20 km. These storms carry water and pollutants from the troposphere into the otherwise very dry stratosphere, where they can have a significant impact on radiative and chemical processes, potentially including destruction of stratospheric ozone. The Dynamics and Chemistry of the Summer Stratosphere (DCOTSS) field campaign is a NASA Earth Venture Suborbital research project aimed at investigating these thunderstorms. DCOTSS utilizes NASA’s ER-2 aircraft and conducted two ~8-week science deployments based out of Salina, KS spanning early to late summer.
Arctic Ice Dynamics Joint Experiment (AIDJEX) Second Pilot Study, March - May 1972: Still Images, Version 1
This data set contains photographs of camps on drifting sea ice from the early 1970s along with a few aerial photographs of the drifting ice station T-3. Most of the photos were taken during a pilot study conducted in 1972 in preparation for the AIDJEX main experiment of 1975 to 1976. There are 83 photos in JPEG format with captions available for 60 of them, which are listed in an accompanying Excel (.xlsx) file. The photos were taken by Tom Marlar of the U.S. Army Cold Regions Research and Engineering Laboratory (CRREL). Pat Martin took the aerial photographs.The pilot study included a main camp on drifting sea ice in the Beaufort Sea north of Alaska along with two satellite camps forming a station triangle with a 100 km side length. Additional details on the AIDJEX experiment can be found on the <a href="https://nsidc.org/data/aidjex">NOAA@NSIDC AIDJEX web site</a>. Also, a detailed description of the observational program and a running account of the results can be found in the AIDJEX Bulletin series published between 1970 and the end of the project in 1978. The Polar Science Center at the University of Washington maintains an AIDJEX electronic library at <a href="http://psc.apl.washington.edu/nonwp_projects/aidjex/">http://psc.apl.washington.edu/nonwp_projects/aidjex/</a>. It includes downloadable copies of the contents of all 40 AIDJEX Bulletins, AIDJEX Operations Manuals for the Pilot Study and the Main Experiment, and other resources.These photographs existed as 8” x 10” prints in the analog collection of material at NSIDC, and were scanned under the direction of the NSIDC archivist around 2007. The captions come from text that was written on the prints. Some captions may have been added to at a later date. At least four of the photographs are not from AIDJEX, but are aerial photographs of Fletcher’s Ice Island, or T-3. In 1972, when the AIDJEX pilot study was taking place in the Beaufort Sea, T-3 was north of the Canadian Archipelago and on its way East, as explained in the caption for AIDJEX_1972_002.jpg. According to the captions, the T-3 photos were taken in 1974. We believe that these photographs, like other aerial shots, were taken by Pat Martin, and included with other 8” x 10” prints that may have been sent to NSIDC by personnel at CRREL.The track of T-3, as well as data from T-3 and other drifting ice stations, can be found on the <a href="https://nsidc.org/data/g01938">EWG Arctic Meteorology and Climate Atlas</a>
Across the Channel Investigating Diel Dynamics project
The ACIDD (Across the Channel Investigating Diel Dynamics) project, in the Santa Barbara Channel, was initially designed to characterize daily variations in phytoplankton populations, but with the Thomas Fire in the Santa Barbara Hills December 2017, this project evolved into a study to characterize the effects of smoke and ash on the mixed layer in the Santa Barbara Channel.
Hyperspectral Coastal Ocean Dynamics Experiment (HyCoDE) measurements at Long-term Ecosystem Observatory 15 (LEO-15) oceanographic and meteorological station
Measurements from the Hyperspectral Coastal Ocean Dynamics Experiment (HyCoDE) LEO-15 station off the Atlantic Coast of New Jersey.
Dynamics and Chemistry of the Summer Stratosphere Radar and Satellite (Remote Sensing) Data Products
DCOTSS-Radar-Satellite-Data feature the radar and satellite data products for the Dynamics and Chemistry of the Summer Stratosphere sub-orbital campaign. Featured in this product are NEXRAD WSR-88D radar products and GOES-16 and GOES-17 geostationary satellite imagery and derived products. NEXRAD GridRad data were produced at a 10-minute frequency across the contiguous United States to support forecasting and flight planning activities. GridRad data also include volumes of radar reflectivity at horizontal polarization and radial velocity spectrum width, which were primarily used to identify tropopause-overshooting convection. Identified GridRad overshoots, which rely upon ERA5 tropopause heights, are included in separate daily files.Also included are GOES-16 and GOES-17 satellite products. Tropopause-overshooting convection is also identified using GOES visible and infrared geostationary satellite imagery. These products include derived cloud top altitude, convective overshoot probability, and visible texture rating product and are produced in 10-minute intervals. The product domain extends over North America and encompasses most of Mexico and Canada. The satellite overshoot products complement the GridRad products and enable an understanding of overshooting that occurs outside the NEXRAD network. Data collection for this product is ongoing and currently only features the first deployment.Each summer the North American Monsoon Anticyclone (NAMA) dominates the circulation of the North-Western Hemisphere and acts to partially confine and isolate air from the surrounding atmosphere. Strong convective storms in the NAMA regularly reach altitudes deep into the lower stratosphere, with some ascending above 20 km. These storms carry water and pollutants from the troposphere into the otherwise very dry stratosphere, where they can have a significant impact on radiative and chemical processes, potentially including destruction of stratospheric ozone. The Dynamics and Chemistry of the Summer Stratosphere (DCOTSS) field campaign is a NASA Earth Venture Suborbital research project aimed at investigating these thunderstorms. DCOTSS utilizes NASA’s ER-2 aircraft and conducted two ~8-week science deployments based out of Salina, KS spanning early to late summer.
Dynamics and Chemistry of the Summer Stratosphere Model Output
DCOTSS-Model-Output features numerical model output for the Dynamics and Chemistry of the Summer Stratosphere sub-orbital campaign. Featured in this product are trajectory calculations, convection-permitting model simulations, and chemistry model output. Air parcel trajectories are computed using the TRAJ3D trajectory model. Two types of trajectory products are created: flight trajectories and overshoot trajectories. Flight trajectories will be initialized every second along each Dynamics and Chemistry of the Summer Stratosphere (DCOTSS) flight track and run backwards for up to 10 days. Overshoot trajectories will be initialized in overshoot volumes identified from both GridRad radar and GOES satellite data every 10 minutes and run forward for up to 5 days. Convection allowing model simulations are carried out using the Weather Research and Forecasting Model coupled with Chemistry (WRF-Chem). These will aid in the evaluation of aircraft observations and evaluate the ability of numerical models to represent overshooting convection and transport. Photodissociation frequencies (J values) will also be computed using a radiative transfer model of the UV and Visible (UV/Vis) spectral regions. Data collection for this product is ongoing and currently only features the first deployment.Each summer the North American Monsoon Anticyclone (NAMA) dominates the circulation of the North-Western Hemisphere and acts to partially confine and isolate air from the surrounding atmosphere. Strong convective storms in the NAMA regularly reach altitudes deep into the lower stratosphere, with some ascending above 20 km. These storms carry water and pollutants from the troposphere into the otherwise very dry stratosphere, where they can have a significant impact on radiative and chemical processes, potentially including destruction of stratospheric ozone. The DCOTSS field campaign is a NASA Earth Venture Suborbital research project aimed at investigating these thunderstorms. DCOTSS utilizes NASA’s ER-2 aircraft and conducted two ~8-week science deployments based out of Salina, KS spanning early to late summer.
Dynamics of coastal buoyancy jets (CoJet) Naval Research Lab (NRL) project
Measurements made as a part of the NRL-sponsored study of the dynamics of coastal buoyancy jets (CoJet) in the Gulf of Mexico during 2001 and 2002.
OPERA Dynamic Surface Water Extent from Harmonized Landsat Sentinel-2 provisional product (Version 1)
This dataset contains Level-3 Dynamic OPERA provisional surface water extent product version 1. The data are provisional 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 (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 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.
Dynamics and Chemistry of the Summer Stratosphere Balloon Data Products
DCOTSS-Balloon-Data features the balloon data collected during the Dynamics and Chemistry of the Summer Stratosphere sub-orbital campaign. DCOTSS-Ozone-H2O features balloon flights that include both ozone and water vapor trace gas measurements while DCOTSS-Ozone features balloons with only ozone measurements. Balloons were launched from the following locations: Boulder, CO; Salina, KS: Corpus Christi, TX; and Grand Forks, ND. Data collection for this product is ongoing and currently only features the first deployment. Each summer the North American Monsoon Anticyclone (NAMA) dominates the circulation of the North-Western Hemisphere and acts to partially confine and isolate air from the surrounding atmosphere. Strong convective storms in the NAMA regularly reach altitudes deep into the lower stratosphere, with some ascending above 20 km. These storms carry water and pollutants from the troposphere into the otherwise very dry stratosphere, where they can have a significant impact on radiative and chemical processes, potentially including destruction of stratospheric ozone. The Dynamics and Chemistry of the Summer Stratosphere (DCOTSS) field campaign is a NASA Earth Venture Suborbital research project aimed at investigating these thunderstorms. DCOTSS utilizes NASA’s ER-2 aircraft and conducted two ~8-week science deployments based out of Salina, KS spanning early to late summer.
Arctic Ice Dynamics Joint Experiment (AIDJEX) Second Pilot Study, March - May 1972: A Documentary Film, Version 1
The project described in this documentary was a pilot study conducted in 1972 in preparation for the AIDJEX main experiment of 1975 to 1976. The study included a main camp on drifting sea ice in the Beaufort Sea north of Alaska along with two satellite camps forming a station triangle with a 100 km side length. A detailed description of the observational program and a running account of the results can be found in the AIDJEX Bulletin series published between 1970 and the end of the project in 1978. The Polar Science Center at the University of Washington maintains an AIDJEX electronic library. It includes downloadable copies of the contents of all 40 AIDJEX Bulletins, AIDJEX Operations Manuals for the Pilot Study and the Main Experiment, and other resources. The film was produced by Hannes Zell and Dieter Wittich of Vienna, Austria under an arrangement with the AIDJEX Project Office at the University of Washington. The transfer of the original 16 mm film to electronic medium was performed by Victory Studios of Seattle, Washington, USA. The digital copy was donated to NSIDC by Dr. Norbert Untersteiner, AIDJEX Project Director.
AVISO Level 4 Absolute Dynamic Topography for Climate Model Comparison Standard Error
These data are the standard error calculated from the AVISO Level 4 Absolute Dynamic Topography for Climate Model Comparison Number of Observations data set ( in PO.DAAC Drive at https://podaac-tools.jpl.nasa.gov/drive/files/allData/aviso/L4/abs_dynamic_topo ). This data set is not meant to be used alone, but with the absolute dynamic topography data. These data were generated to help support the CMIP5 (Coupled Model Intercomparison Project Phase 5) portion of PCMDI (Program for Climate Model Diagnosis and Intercomparison). The dynamic topograhy are from sea surface height measured by several satellites, Envisat, TOPEX/Poseidon, Jason-1 and OSTM/Jason-2 and referenced to the geoid. These data were provided by AVISO (French space agency data provider), which are based on a similar dynamic topography data set they already produce( http://www.aviso.oceanobs.com/index.php?id=1271 ).
A dynamic folded hairpin conformation is associated with -globin activation in erythroid cells
GEO Series GSE107938. Mus musculus. 3 samples. Type: Genome binding/occupancy profiling by high throughput sequencing.
Massively parallel characterization of regulatory dynamics during neural induction
GEO Series GSE115046. Homo sapiens. 110 samples. Type: Expression profiling by high throughput sequencing; Genome binding/occupancy profiling by high throughput sequencing; Other.
Matrin3 regulates mitotic spindle dynamics by controlling alternative splicing of CDC14B [Iso-Seq]
GEO Series GSE205565. Homo sapiens. 1 samples. Type: Other; Expression profiling by high throughput sequencing.
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.