Dr. Nicholas R Nalli Profile

Dr. Nicholas R Nalli

Research Assistant at IMSG, Inc.

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Publications (7)

Proceedings Article | 1 September 2006 Paper

Estimation of dust loading and height using MODIS, AIRS, and M-AERI data

S. De Souza-Machado, D. Chu, N. Nalli, L. Strow, S. Hannon, H. Motteler, P. Minnett

Proceedings Volume 6299, 62990D (2006) https://doi.org/10.1117/12.682589

KEYWORDS: MODIS, Particles, Fourier transforms, Thermography, Data analysis, Barium, Information technology, Remote sensing, Aerosols, Gases

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Proceedings Article | 1 September 2006 Paper

Priority-based error correction using turbo codes for compressed AIRS data

I. Gladkova, M. Grossberg, E. Grayver, D. Olsen, N. Nalli, W. Wolf, L. Zhou, M. Goldberg

Proceedings Volume 6300, 630008 (2006) https://doi.org/10.1117/12.679851

KEYWORDS: Forward error correction, Satellites, Data modeling, Ozone, Data compression, Computer programming, Infrared radiation, Atmospheric propagation, Calibration, Signal to noise ratio

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Proceedings Article | 21 October 2005 Paper

Developments in ocean infrared emissivity/reflection modeling

Nicholas Nalli, Peter Minnett, Paul van Delst, Christopher Barnet, Mitchell Golberg

Proceedings Volume 5977, 59770G (2005) https://doi.org/10.1117/12.627713

KEYWORDS: Atmospheric modeling, Reflectivity, Data modeling, Infrared radiation, Coastal modeling, Water, Reflection, Thermal modeling, Skin, Data acquisition

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Proceedings Article | 29 August 2005 Paper

Alternative cloud clearing methodologies for the Atmospheric Infrared Sounder (AIRS)

C. Barnet, M. Goldberg, Thomas King, Nicholas Nalli, Walter Wolf, Lihang Zhou, Jennifer Wei

Proceedings Volume 5890, 58900S (2005) https://doi.org/10.1117/12.615238

KEYWORDS: Clouds, Infrared radiation, Microwave radiation, MODIS, Satellites, Infrared imaging, Imaging systems, Temperature metrology, Systems modeling, Contamination

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Proceedings Article | 5 January 2005 Paper

Global diagnostics of operational AVHRR SST and aerosol retrievals from NOAA-16 and -17

Alexander Ignatov, John Sapper, William Pichel, Eileen Maturi, Andy Harris, Alan Strong, Eric Bayler, Istvan Laszlo, Nicholas Nalli, Xiaofeng Li

Proceedings Volume 5658, (2005) https://doi.org/10.1117/12.577952

KEYWORDS: Aerosols, Calibration, Satellites, Climatology, Clouds, Diagnostics, Reflectivity, Ocean optics, Sensors, Error analysis

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Proceedings Article | 8 December 1999 Paper

NAST-1: high spectral resolution measurements from a cross-track scanning infrared sounder and future implications for infrared sounders

Christopher Sisko, William Smith, David Tobin, Daniel Zhou, Henry Revercomb, Daniel DeSlover, Allen Larar, Bormin Huang, Nicholas Nalli, Paolo Antonelli

Proceedings Volume 3867, (1999) https://doi.org/10.1117/12.373051

KEYWORDS: Infrared radiation, Temperature metrology, Satellites, Calibration, Spectral resolution, Radiative transfer, Clouds, Fourier transforms, Climatology, Sensors

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The National Polar-orbiting Operational Satellite System (NPOESS) Aircraft Sounder Testbed-Interferometer (NAST-I) is one of two airborne infrared sounder systems currently being used to evaluate future spaceborne advanced sounder designs. The NAST-I instrument is a cross-track scanning Fourier Transform Spectrometer (FTS) that measures the upwelling radiation in the infrared spectrum between 645 - 2700 cm^-1 (15.5 - 3.7 micrometer) at a high-spectral resolution of 0.25 cm^-1. Each observation has a spatial resolution of 2.6 km from NASA's ER-2 high-altitude aircraft, which operates 20 km above the surface. Measurements from this instrument in its first year of operation have not only contributed to risk reduction studies for future IR sounders but have also provided valuable datasets from three different climate regimes. The spatial coverage, 40 km swath width, has facilitated evaluation of non-linear retrieval algorithms using high-spectral resolution information content and provided a means for further validation of infrared radiative transfer models. The capabilities of the NAST-I instrument have already been tested under varied field conditions such as tropical, mid-latitude summer, and mid- latitude winter regimes. Preliminary results from these field experiments have demonstrated favorable sounding capability under such conditions, including intensive tropical cyclone environments (Hurricane Bonnie, August 1998 and Hurricane Georges, September 1998). In addition, repeated observations over the same geographic location near Andros Island in the Bahamas have provided additional information on the temporal change and spatial distribution of water vapor responding to complex mesoscale and large-scale dynamic processes. The framework for future spaceborne IR sounders will be well established by current and future observations made by the NAST-I instrument with its capability to remotely sense atmospheric state variables and cloud radiative properties.

Proceedings Article | 20 October 1999 Paper

Physical retrieval and imaging of sea-surface skin temperature from NAST-I: initial results

Nicholas Nalli, William Smith

Proceedings Volume 3756, (1999) https://doi.org/10.1117/12.366410

KEYWORDS: Satellites, Temperature metrology, Skin, Fourier transforms, Transmittance, Climatology, Satellite imaging, Atmospheric physics, Earth's atmosphere, Interferometers

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Showing 5 of 7 publications

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