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Author: Nishith Maheshwari

An open source application to compute urban morphometric parameters to understand urban winds

Abstract Urban roughness is of major importance for understanding the wind dynamics and microclimate in an urban area. Morphometric methods are ideally suited for estimation of urban roughness in an urban environment due to increasing availability of 3D urban database,

Nishith Maheshwari 4th November 2015 Climate Change, FOSS4G Application, GIS No Comments

HYDROMETEOROLOGICAL DATA ASSIMILATION IN WEATHER FORECASTING MODEL USING OPEN SOURCE TOOLS

Abstract In this paper, we perform data assimilation using radiance data from different sensors mhs, amsu-a for the improved weather prediction in for the study area covering Uttarakhand and Himachal Pradesh at different resolutions of 27km, 9km and 3km. Two

Nishith Maheshwari 4th November 2015 Climate Change, FOSS4G No Comments

Time Series Geodata visualization in Web 2.0

Abstract Many things that happen are having space and time as major dimensions. Visual representation of these datasets and information brings out unique opportunity to identify meaningful trends like Magnitude, Shape, Velocity, Direction etc. In this paper, we present various

Nishith Maheshwari 4th November 2015 Geoserver, Geospatial, Web GIS Applications No Comments

Geographical Weighted Regression model for improved bathymetric estimation from multispectral imageries

Abstract There is often a need for making a high-resolution or a complete bathymetric map based on sparse point measurements of water depth. The common practice of previous studies has been to calibrate a single global depth regression model for

Nishith Maheshwari 4th November 2015 FOSS4G, Image Processing No Comments

Development of OGC WPS for Species Niche Modelling using environmental variables

Abstract Species distribution prediction modeling plays a key role in Bio-diversity research. There are increasing needs for species distribution modeling ranging from basic ecological and biogeography research to routine conservation practices. Currently forest scientists and conservationists are looking for web

Nishith Maheshwari 4th November 2015 Open Standards, Web GIS Applications No Comments

A comparative study of performance analysis of MongoDB and PostGIS-PostGreSQL databases for Line Intersection Spatial Queries

Abstract With the increased shift towards GeoSpatial Web Services on both the Web and mobile platforms especially in the user-centric services, there is a need to improve the query response time. This paper attempt to evaluate the performance of an

Nishith Maheshwari 4th November 2015 FOSS4G, Spatial Databases No Comments

Semantic Interoperability Model for transforming IFC & CityGML Building Models

Abstract The significance of 3D city modeling and its promising applications in the fields of city planning, cadastral mapping, urban simulations, etc. are progressively increasing. One of the major problems being faced in the applications of 3D city modeling is

Nishith Maheshwari 4th November 2015 FOSS4G, Open Standards No Comments

SedYield: AN OPEN SOURCE GEOSPATIAL TOOL FOR SOIL EROSION AND SEDIMENT YIELD ASSESSMENT AT WATERSHED SCALE

Abstract In this cyber era of innumerable number of Geographical Information System (GIS) packages and functionalities, the problem faced by the users from different research domains are different from each other’s. They require technical skill and expertise on this advanced

Nishith Maheshwari 4th November 2015 FOSS4G Application No Comments

OPEN SOURCE GEOSPATIAL TOOLS FOR HYDROLOGICAL MODELING

Abstract Water is a scarce resource of nature due to the increasing demand of fresh water over few decades. It’s a key element of natural resource management therefore researchers are finding the ways to manage this resource. This management includes

Nishith Maheshwari 4th November 2015 Climate Change, FOSS4G, Water Resource Management No Comments

Using FOSS4G to Study Flood Inundation around Danang City Vietnam

Abstract Flooding is one of the most frequent and damage causing natural disaster in Danang city well as other parts of Vietnam. Mitigation of flood hazard requires understanding about hydrological, meteorological as well as topographical condition of study area. This

Nishith Maheshwari 4th November 2015 Disaster Management, FOSS4G No Comments
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