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Events for November 2, 2017 - October 4, 2018

November 2017

Advances in LiDAR Data Processing: From Waveform to Photon Counting LiDAR

November 02, 2017
3:00 pm - 4:00 pm
Eller O&M Bldg. Rm 807

the overall goal of the research is to develop algorithms for FW and PCL data processing to explore their potential in real-world applications such as tree species identification and to quantify the uncertainty of model building, data processing, and applications steps.

Applications: Environment
Science: Education, Geosciences, Information Science
Technology: Land

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Z-Curve: A Geographical Projection of GNSS (Global Navigation Satellites Systems) Signal, Time, and Position

November 16, 2017
3:00 pm - 4:00 pm
Eller O&M Bldg. Rm 807

This talk presents a novel geometric model to characterize the zero-­crossing curve (or z-­curve) for the signals emitted by a pair of GNSS satellites, which is the intersection of the Earth surface and the z‐surface that has zero difference in its pseudoranges to the two satellites.

Applications: Environment
Science: Education, Engineering
Technology: Space

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February 2018

Planetary Geology: Science and Operations

February 08, 2018
3:00 pm - 4:00 pm
Eller O&M Bldg., Room 807

This talk provides an overview of science and operation decision making with examples from the Mars Science Laboratory Curiosity rover, and discusses opportunities to explore engineering and operations in analog planetary environments.

Applications: Economic, Society
Science: Engineering, Government & Economics, Physics & Astronomy
Technology: Land, Space

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Probing Methane in Air with Infrared Sources

February 22, 2018
3:00 pm - 4:00 pm
Eller O&M Bldg., Room 807

Dr. Hans A. Schuessler Department of Physics and Astronomy Professor & Chair of Optical and Biomedical Physics Abstract High resolution spectroscopy in the infra-red has been employed for monitoring atmospheric pollution with a variety of techniques. Here we report on recent advances using broadband mid-infrared frequency combs in dual comb spectroscopy, and narrow band diode lasers in cavity ring-down and wavelength modulation spectroscopies for the detection of methane in ambient…

Technology: Air
Applications: Environment
Science: Physics & Astronomy

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March 2018

Balancing Urban Growth and Ecological Conservation: A Geographical Perspective

March 08, 2018
3:00 pm - 4:00 pm

The location, rate, and magnitude of urban expansion will affect wide-­ranging phenomena including ecosystems and biodiversity. A global analysis of urban extent circa 2000 and urban expansion forecasts out to 2030 indicates that the amount of urban land within 50 km of the world’s protected areas will triple by 2030.

Applications: Environment, Society
Science: Architecture & Urban Planning, Government & Economics
Technology: Land

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Re-Framing I: Correcting the Scaling of Spatial Autocorrelation and a New Method to Tackle Big Data

March 22, 2018
3:00 pm - 4:00 pm
Eller O&M Bldg., Room 807

Dr. Thomas J. DeWitt Department of Wildlife & Fisheries Associate Professor Moran’s I is an iconic measure of spatial autocorrelation. It is elegant for its intended basic and intuitive nature, ofen idealized beyond its actual character. Several authors have noticed problems of bias, distribution assumption violations, and scale exception snafus with the original statistic. Still, I is generally treated as its Platonic ideal. Ideally, I ranges with a bell­‐curve form…

Science: Agriculture & Life Sciences
Applications: Environment
Technology: Land, Sea

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Eyes in the Heavens: Satellite Technologies for Remote Site Characterization

March 23, 2018
12:00 pm - 1:00 pm
DLEB 702 College Station, TX United States + Google Map

This presentation is based on the article ‘Eyes in the Heavens’ (Geostrata, 2017) with a very special theme: “Geotechnics at remote sites”. Installation and maintenance of instrumentation to monitor geotechnical projects in remote locations is usually more challenging than sites in urban areas. In this presentation, Dr. Zhangwei Ning will introduce the roles and applications of three different satellites for remote site monitoring with case studies. These are: telecommunication satellite…

Applications: Environment
Science: Engineering
Technology: Space

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April 2018

Insight Into the Physical Signatures of Marsh Erosion

April 05, 2018
3:00 pm - 4:00 pm
Eller O&M Bldg., Room 807

Salt marshes along the Galveston Bay coast experience a high degree of edge erosion caused by wave impact. The goal of this study was to determine the minimum wave height contributing to marsh erosion.

Applications: Environment
Science: Geosciences
Technology: Land

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Tactical Airborne Oil Spill Remote Sensing: POSEIDON, a New Operational Approach

April 19 - November 19, 2018
3:00 pm

An overview of currently existing oil spill remote sensing technology such as infrared/ultraviolet line scanners, microwave radiometers, laser fluorosensors and radar systems; and a focus on the operational approach adopted during oil spill detection, that includes three basic steps: synoptic overview of the spill, near range analysis, data processing and data communication.

Technology: Air
Applications: Environment
Science: Engineering, Geosciences

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October 2018

Autonomous Vehicles and Multi-Platform Coastal Ocean Observatory During Hurricane Harvey (2017)

October 04, 2018
3:00 am - 4:00 pm
Eller O&M Bldg., Room 807

Dr. Steven F. DiMarco Professor & Ocean Observing Team Lead Dept. of Oceanography, Texas A&M University Hurricane Harvey made landfall near Rockport Texas as a Category 4 storm on 25 August 2017. The ocean observing network in the western Gulf of Mexico, comprised of the Texas Automated Buoy System (TABS), autonomous ocean vehicles, and shipboard observations reported oceanographic conditions throughout the summer of 2017. These include pre-storm conditions, direct storm…

Technology: Air
Applications: Environment
Science: Engineering

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