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C&S Colloquium: Amir Mazrooei and Sudharshana Mukhopadhy

November 1, 2019 @ 1:45 pm - 3:00 pm

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Dr. Amir Mazrooei (post-doctoral associate, CCEE) and Ms. Sudharshana Mukhopadhy (PhD Candidate, CCEE) will discuss software tools developed by CCEE for hydroclimatological geospatial analyses.  Refreshments will be provided. Details follow.

 

Geospatial Analyses using GrassGIS: A Global Assessment Of ET fluxes Impacted By Anthropogenic Land Cover Changes

Dr. Amir Mazrooei  

Grass GIS is a fully functional software that can handle many different geo-spatial analyses tasks such as vector processing, image and raster analyses, and database creation. Unlike ESRI’s ArcGIS, Grass is open source and can be compiled and executed in Linux environments which makes it much easier in terms of bash scripting, and much faster to conduct large-scale analyses. In this C&S seminar, as part of my ongoing research about the human influence on natural hydroclimatic conditions, I would present how urbanization affects evapotranspiration (ET) flux rates in a global scale, resulting in urban heat islands. We would see a demo of the quantitative analysis of remotely sensed data through Grass GIS, along with the post-processing and visualization of the results using R.

A geo-processing tool for co-locating the dependency of critical infrastructure with hydrologic information network

Ms. Sudharshana Mukhopadhy  

Understanding the interactions between the natural environment and physical infrastructure is critical for sustainable development. Most water infrastructure such as reservoirs, dykes, wastewater treatment plants depend on river conditions and other infrastructure (e.g., power system), but the nature of the river network introduce a cascading interdependency between the regional riverine system and their infrastructure. We have begun to address this by developing an R package, River-Infrastructure Cascade (RIC) and demonstrating it for referencing the reservoirs with respect to streamgage network over the entire Coterminous United States (CONUS). I will discuss our systematic approach of combining multiple layers of topographic information of infrastructures with high resolution National Hydrographic Dataset (NHDPlusv2) over the Colorado River Basin (CRB), and I will illustrate our methods of handling different conditions along the river network – such as river junctions (e.g. divergences, convergences or both), boundary of watershed, isolated network and coastlines or end of a stream reach.

Details

Date:
November 1, 2019
Time:
1:45 pm - 3:00 pm
Event Categories:
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Venue

Mann 323
2501 Stinson Drive
Raleigh, NC 27675 United States
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Phone
919-515-7628