Newsletter on GIS Technology Research: August-2018

 Newsletter on GIS Technology Research: August-2018

GIS: A powerful tool to be used with caution

A recent study provides a brand new perspective on the severe impacts of escalating temperature change on the heritage resources of the Canadian Arctic. concerning the applying of Geographic system analytical ways in assessing the threat of bounds erosion to anthropology sites, it details steps taken to review the standard of the GIS model in lightweight of a discrepancy with rates determined throughout actual survey visits. [1]

Intelligent generation of indoor topology (i-GIT) for human indoor pathfinding based on IFC models and 3D GIS technology

Indoor topology is that the basis for many indoor location-based services, reminiscent of wayfinding in searching malls, escape route designing, and rider transfer in transport stations. Currently, however, indoor networks for wayfinding by individuals haven’t nonetheless been developed to a consistent illustration as street maps are, however, several studies have tried to develop indoor network models for indoor LBS.

A complete indoor network includes each floor-level methods and non-level methods, reminiscent of stairs, elevators, escalators, ramps, and so on. Most existing studies, however, have explored floor-level methods; few studies have thought-about non-level paths. several studies have used 3D building models supported business Foundation categories (IFC) to develop algorithms for generating methods, however most of them need the UN agency model to contain linguistics parts for the abstraction relationships among building parts, which implies additional efforts area unit required once making ready the UN agency Model from the first building model. [2]

Improving spatial resolution of soil fugitive dust emission inventory using RS-GIS technology: An application case in Tianjin, China

Soil fugitive dirt (SFD) contributes considerably to close particulate (PM) in Northern China. during this study, Associate in Nursing improved technique is developed to ascertain a high abstraction resolution SFD emission inventory through the utilization of remote sensing (RS)-geographical system (GIS) technology supported the wind erosion equation (WEQ). the aim of the applying of RS is to get vegetation coverage knowledge, which might be achieved through the supervised classification of land use and retrieval of vegetation coverage. Vegetation cowlage was then regenerate to a vegetative cover issue by adopting the approach given during this study. [3]

Based on GIS Technology, the Heihe River Drainage Network is Extracted from Srtm-dem Data

For instance objects supported the HeiHe geographic region and its water system, supported the spacecraft microwave radar topography production of 90m high-resolution SRTM-DEM knowledge, exploitation the geophysical science ArcGIS10.2 hydrological analysis module of HeiHe geographic region evacuation network extraction and connected analysis, verified the SRTM-DEM knowledge application in hydrological analysis, conjointly objectively shows the SRTM-DEM knowledge the prospect of application in hydrological aspects is extremely objective. [4]

Applying Satellite Remote Sensing and GIS Tools in the Study of Gully Erosion

Aim: valley erosion is that the most evident variety of eroding in southeastern Nigeria chiefly owing to the outstanding impressions the gullies build that are a visible manifestation of the physical loss of land because of erosion. within the literature, their area unit varied accounts of the quantity of valley sites in United Nations agency State moreover because of the probable causes of the gullies. The terribly nice depths of a number of these gullies and therefore the failure of some management measures powerfully recommend that they’ll really result from interaction of exogenous (such as weathering) and endogenic (tectonic) forces. The aim of this study so was to integrate satellite remote sensing knowledge of the study space with GIS to spotlight valley erosion hotspots moreover as produce a information of abrasion sites and attributes. Development of 3D – Digital piece of ground Models (DTM) of the world for the aim of finding out topography, characteristics, and patterns of valley sites. Integration of the DTMs with processed satellite pictures to get knowledge for slope analysis and alternative spatial attributes of bullying. [5]

Reference

[1] GIS: A powerful tool to be used with caution

Date:May 18, 2017, Source:De Gruyter Open (web link)

[2] Intelligent generation of indoor topology (i-GIT) for human indoor pathfinding based on IFC models and 3D GIS technology

Lin WY, Lin PH. Intelligent generation of indoor topology (i-GIT) for human indoor pathfinding based on IFC models and 3D GIS technology. Automation in Construction. 2018 Oct 1;94:340-59. (web link)

[3] Improving spatial resolution of soil fugitive dust emission inventory using RS-GIS technology: An application case in Tianjin, China

Li T, Bi X, Dai Q, Liu B, Han Y, You H, Wang L, Zhang J, Cheng Y, Zhang Y, Wu J. Improving spatial resolution of soil fugitive dust emission inventory using RS-GIS technology: An application case in Tianjin, China. Atmospheric Environment. 2018 Jul 31. (web link)

[4] Based on GIS Technology, the Heihe River Drainage Network is Extracted from Srtm-dem Data

Kong H. Based on GIS Technology, the Heihe River Drainage Network is Extracted from Srtm-dem Data. InIOP Conference Series: Materials Science and Engineering 2018 Jul (Vol. 381, No. 1, p. 012026). IOP Publishing. (web link)

[5] Applying Satellite Remote Sensing and GIS Tools in the Study of Gully Erosion

Gordon T. Amanbagara1*, John D. Njoku2 and Moses Obenade3

1Department of Environmental Technology, Federal University of Technology, Owerri, Nigeria.
2Department of Urban and Regional Planning, Federal University of Technology, Owerri, Nigeria.
3Department of Geography and Environmental Science, University of Calabar, Nigeria. (web link)

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