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  • Earth Resources and Remote Sensing  (3)
  • Oceanography  (3)
  • Fluid Mechanics and Thermodynamics  (2)
  • 165-999A; Age model, optional; Ageprofile Datum Description; Caribbean Sea; DEPTH, sediment/rock; DRILL; Drilling/drill rig; Joides Resolution; Leg165; Number; Ocean Drilling Program; ODP; Planktic foraminifera zone  (1)
  • J24
  • 2000-2004  (9)
Collection
Keywords
Publisher
Years
Year
  • 1
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    Spatio-Temporal Distribution of Particulate and CDOM in the Mississippi River Bight (MRB) from Optical Measurements (2004)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: NASA's projects for the Mississippi River Coastal Margin Study include Mississippi River Interdisciplinary Research (MiRIR) and NASA Experimental Program to Stimulate Competitive Research (EPSCoR). These projects, undertaken with the help of Tulane University and the Louisiana Universities Marine Consortium (LUMCON) sampled water in the Gulf of Mexico to measure colored dissolved organic matter (CDOM). This viewgraph presentation contains images of each program's sampling strategy and equipment.
    Keywords: Oceanography
    Type: SE-2003-10-00094-SSC , AGU Ocean Sciences Meeting; Jan 26, 2004 - Jan 30, 2004; Portland, OR; United States
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Results of the Second SeaWiFS Data Analysis Round Robin, March 2000 (DARR-00) (2001)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: The accurate determination of upper ocean apparent optical properties (AOPs) is essential for the vicarious calibration of the Sea-viewing Wide Field-of-view Sensor (SeaWiFS) instrument and the validation of the derived data products. To evaluate the importance of data analysis methods upon derived AOP values, the Second Data Analysis Round Robin (DARR-00) activity was planned during the latter half of 1999 and executed during March 2000. The focus of the study was the intercomparison of several standard AOP parameters: (1) the upwelled radiance immediately below the sea surface, L(sub u)(0(-),lambda); (2) the downward irradiance immediately below the sea surface, E(sub d)(0(-),lambda); (3) the diffuse attenuation coefficients from the upwelling radiance and the downward irradiance profiles, L(sub L)(lambda) and K(sub d)(lambda), respectively; (4) the incident solar irradiance immediately above the sea surface, E(sub d)(0(+),lambda); (5) the remote sensing reflectance, R(sub rs)(lambda); (6) the normalized water-leaving radiance, [L(sub W)(lambda)](sub N); (7) the upward irradiance immediately below the sea surface, E(sub u)(0(-)), which is used with the upwelled radiance to derive the nadir Q-factor immediately below the sea surface, Q(sub n)(0(-),lambda); and (8) ancillary parameters like the solar zenith angle, theta, and the total chlorophyll concentration, C(sub Ta), derived from the optical data through statistical algorithms. In the results reported here, different methodologies from three research groups were applied to an identical set of 40 multispectral casts in order to evaluate the degree to which differences in data analysis methods influence AOP estimation, and whether any general improvements can be made. The overall results of DARR-00 are presented in Chapter 1 and the individual methods used by the three groups and their data processors are presented in Chapters 2-4.
    Keywords: Oceanography
    Type: NASA/TM-2001-206892/VOL15 , Rept-2002-00609-0/VOL15 , NAS 1.15:206892/VOL15 , (ISSN 1522-8789)
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    Unic Unstructured CFD Methodology Development (2001)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: Base heating characteristics is crucial to the success and the overall performance of the X-33 engine. Base heating is important throughout the entire flight trajectory due to the aerospike engine design of X-33. The base region is surrounded by the hot-gas plume, which expands, circulates and impinges on the base. An advanced computation fluid dynamics method is employed in an effort to develop a robust, accurate and efficient tool for the X-33 base heating performance predictions. This computational tool is developed based on a Navier-Stokes flow solver, which is suitable for general complex geometry and includes turbulence, finite-rate chemistry, and radiation models. To fulfill the fast turnaround requirement as a design analysis tool, adaptive mesh refinement method and parallel-computing algorithm are also incorporated in the present model. Case study for the X-33 base-region fluid dynamics and heat transfer characteristics are presented.
    Keywords: Fluid Mechanics and Thermodynamics
    Type: Fluids; Apr 04, 2001 - Apr 05, 2001; Huntsville, AL; United States
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    NASA TECHNICAL REPORTS
  • 4
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    Apparent Optical Properties in Waters Influenced by the Mississippi River (2002)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: In-water downwelling irradiance (E(sub d)) and upwelling radiance (L(sub u)) were measured in coastal waters influenced by the Mississippi River at wavelengths corresponding to SeaWiFS spectral bands in April of 2000. Results of derived apparent optical properties (AOP's) such as spectral diffise attenuation coefficient for downwelling irradiance (K(sub d)) suggest that they are mainly influenced by phytoplankton chlorophyll. Large variations in chlorophyll concentrations (0.2 to greater than 10 mg per cubic meters) correspond to variations in K(sub d) at 443 nm ranging from about 0.1 to greater than 1.5 per meter. Attenuation values at 443 nm generally peaked (or were minimal at 555 nm) at depths where chlorophyll concentrations were high. Above water remote sensing reflectance R(sub rs) (443) derived from E(sub d) and L(sub u) shows good agreement to surface chlorophyll. Ratios of remote sensing reflectance, R(sub rs)(443/R(sub rs)(555)versus chlorophyll suggests a potential for obtaining a suitable bio-optical algorithm for the region influenced by the Mississippi River.
    Keywords: Earth Resources and Remote Sensing
    Type: SE-2002-02-00009-SSC , Seventh International Conference Remote Sensing for Marine and Coastal Environments; May 20, 2002 - May 22, 2002; Miami, FL; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 5
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    Decision Support Tool Evaluation Report for Coral Reef Early Warning System (CREWS) Version 7.0 (2004)
    In:  CASI
    Details
    Publication Date: 2019-07-11
    Description: The Coral Reef Early Warning System (CREWS) is operated by NOAA's Office of Oceanic and Atmospheric Research as part of its Coral Reef Watch program in response to the deteriorating global state of coral reef and related benthic ecosystems. In addition to sea surface temperatures (SSTs), the two most important parameters used by the CREWS network in generating coral reef bleaching alerts are 1) wind speed and direction and 2) photosynthetically available radiation (PAR). NASA remote sensing products that can enhance CREWS in these areas include SST and PAR products from the Moderate Resolution Imaging Spectroradiometer (MODIS) and wind data from the Quick Scatterometer (QuikSCAT). CREWS researchers are also interested in chlorophyll, chromophoric dissolved organic matter (CDOM), and salinity. Chlorophyll and CDOM are directly available as NASA products, while rainfall (an available NASA product) can be used as a proxy for salinity. Other potential NASA inputs include surface reflectance products from MODIS, the Advanced Spaceborne Thermal Emission and Reflection Radiometer, and Landsat. This report also identifies NASA-supported ocean circulation models and products from future satellite missions that might enchance the CREWS DST.
    Keywords: Oceanography
    Type: SSTI-2220-0051
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 6
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    Decision Support Tool Evaluation Report for General NOAA Oil Modeling Environment(GNOME) Version 2.0 (2004)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: NASA's Earth Science Applications Directorate evaluated the potential of NASA remote sensing data and modeling products to enhance the General NOAA Oil Modeling Environment (GNOME) decision support tool. NOAA's Office of Response and Restoration (OR&R) Hazardous Materials (HAZMAT) Response Division is interested in enhancing GNOME with near-realtime (NRT) NASA remote sensing products on oceanic winds and ocean circulation. The NASA SeaWinds sea surface wind and Jason-1 sea surface height NRT products have potential, as do sea surface temperature and reflectance products from the Moderate Resolution Imaging Spectroradiometer and sea surface reflectance products from Landsat and the Advanced Spaceborne Thermal Emission and Reflectance Radiometer. HAZMAT is also interested in the Advanced Circulation model and the Ocean General Circulation Model. Certain issues must be considered, including lack of data continuity, marginal data redundancy, and data formatting problems. Spatial resolution is an issue for near-shore GNOME applications. Additional work will be needed to incorporate NASA inputs into GNOME, including verification and validation of data products, algorithms, models, and NRT data.
    Keywords: Earth Resources and Remote Sensing
    Type: SSTI-2220-0052
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 7
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    Asymmetric Base-Bleed Effect on Aerospike Plume-Induced Base-Heating Environment During Power-Pack Out (2003)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: A computational heat transfer design methodology was developed to study tbe dual-engine linear aerospike plume-induced base-heating environment during one power-pack out, in ascent flight. It includes a three-dimensional, finite volume, viscous, chemically reacting, and pressure-based computational fluid dynamics formulation, a special base-bleed boundary condition, and a three-dimensional, finite volume, and spectral-line-based weighted-sum-of-gray-gases absorption computational radiation heat transfer formulation. A separate radiation model was used for diagnostic purposes. The computational methodology was systematically benchmarked. in this study, near-base radiative heat fluxes were computed, and they compared well with those measured during static linear aerospike engine tests. The base-heating environment of 18 trajectory points secected from three power-pack out scenarios was computed. The computed asymmetric base-heating physics were analyzed. The power-pack out condition has the most impact on convective base heating when it happens early in flight. The soume of its impact comes from the asymmetric and reduced base bleed.
    Keywords: Fluid Mechanics and Thermodynamics
    Type: Journal of Propulsion and Power; 20; 3; 385-393|36th AIAA Thermophysics Conference; Jun 23, 2003 - Jun 26, 2003; Orlando, FL; United States
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    NASA TECHNICAL REPORTS
  • 8
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    Evaluation of the Harmful Algal Bloom Mapping System (HABMapS) and Bulletin (2004)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: The National Oceanic and Atmospheric Administration (NOAA) Harmful Algal Bloom (HAB) Mapping System and Bulletin provide a Web-based geographic information system (GIS) and an e-mail alert system that allow the detection, monitoring, and tracking of HABs in the Gulf of Mexico. NASA Earth Science data that potentially support HABMapS/Bulletin requirements include ocean color, sea surface temperature (SST), salinity, wind fields, precipitation, water surface elevation, and ocean currents. Modeling contributions include ocean circulation, wave/currents, along-shore current regimes, and chlorophyll modeling (coupled to imagery). The most immediately useful NASA contributions appear to be the 1-km Moderate Resolution Imaging Spectrometer (MODIS) chlorophyll and SST products and the (presently used) SeaWinds wind vector data. MODIS pigment concentration and SST data are sufficiently mature to replace imagery currently used in NOAA HAB applications. The large file size of MODIS data is an impediment to NOAA use and modified processing schemes would aid in NOAA adoption of these products for operational HAB forecasting.
    Keywords: Earth Resources and Remote Sensing
    Type: SSTI-2220-0053
    Format: application/pdf
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  • 9
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    (Table 2) Planktonic foraminifer datums used to construct the age/depth plot of ODP Hole 165-999A (2000)
    PANGAEA
    Details
    Publication Date: 2024-01-09
    Keywords: 165-999A; Age model, optional; Ageprofile Datum Description; Caribbean Sea; DEPTH, sediment/rock; DRILL; Drilling/drill rig; Joides Resolution; Leg165; Number; Ocean Drilling Program; ODP; Planktic foraminifera zone
    Type: Dataset
    Format: text/tab-separated-values, 85 data points
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    DATA PANGAEA
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