Research on Site Coverage Distribution of Beijing Based on Geographic Information System

<p>Site coverage is an important index to learn spatial development pattern of the city. In this paper, with the help of spatial analysis functions of GIS, buffer and sector analysis are imposed in pursuit of finding possible spatial distribution rules of Beijing taken flagpole in Tian’anmen square as center. The results of sector analysis indicate that the building densities in such superior geographical condition areas as southeast and south are higher. Building densities of northern and western areas are low because of their bad terrain. The results of buffer analysis indicate the density of city center is the highest and have a negative relation with the augment of distance. That is to say, the average building density of center areas (buffer 1, 2 and 3, about 7.5km away) is about 26%. The average building density of transition region of city and countryside (buffer 10~20, about 25~50km away from center) is about 9%. The average building density of exurbs (after buffer 20~50km away from center) can't reach to 3%.</p>

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Human | Wildlife, Stitching The Fabric : Connectivity Strategies For Identified Gaps in Toronto's Ravines

10.32920/ryerson.14648040 ◽

2021 ◽

Author(s):

Vincent Racine

Keyword(s):

Information System ◽

Gap Analysis ◽

Landscape Connectivity ◽

Public Lands ◽

Green Spaces ◽

Gis Analysis ◽

Buffer Analysis ◽

Close Proximity ◽

The City ◽

Environmentally Significant Areas

This Master’s Research Project (MRP) examines landscape connectivity strategies for the ravine system in the City of Toronto, CA. A workshop with natural environment specialists from the City of Toronto was organized to gather practitioner-based information as to which gaps should be prioritized in the ravine system. This GAP Analysis was complemented with a Geographic Information System (GIS) - based buffer analysis looking at connectable green spaces in close proximity to Environmentally Significant Areas (ESAs). Based on both the workshop and GIS analysis, 16 gaps were investigated through which 4 typologies were created. Interviews were then conducted with professionals from comparator cities: Edmonton (CA), Vancouver (CA), Minneapolis (US), Copenhagen (DK), and Stockholm (SW) to compare into how waterfront cities use policies, partnerships and design interventions to connect waterfront public lands. Based on interviews and additional policy scans, connectivity strategies were created for all 4 typologies as a means to improve landscape connectivity in the City of Toronto.

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An Examination of the Distribution of White-Collar Worker Residences in Tokyo and Osaka during the Modernizing Period

ISPRS International Journal of Geo-Information ◽

10.3390/ijgi8090375 ◽

2019 ◽

Vol 8 (9) ◽

pp. 375 ◽

Cited By ~ 2

Author(s):

Takashi Kirimura

Keyword(s):

Information System ◽

Geographic Information System ◽

Statistical Data ◽

White Collar ◽

Gis Analysis ◽

City Center ◽

Private Companies ◽

White Collar Worker ◽

White Collar Workers ◽

The City

This paper sheds light on the residences of white-collar workers in Tokyo and Osaka, Japan in the modernizing period using historical statistical data and telephone directories from a historical geographic information system (GIS) analysis. We examined the differences between the distribution of white-collar workers and the progress of suburbanization by comparing the respective unemployment censuses and telephone directories of Tokyo and Osaka. The analysis shows that in 1925, there was a tendency for many white-collar workers to live in certain city sectors, as well as in the city center. However, this trend had changed by the mid-1930s, when data show that private-sector white-collar workers tended to live more in areas with a relatively low population density. Compared to Osaka, Tokyo was relatively suburbanized with white-collar workers in private companies.

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The Space Buffer Analysis Based on Grid Algorithm

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.253-255.1518 ◽

2012 ◽

Vol 253-255 ◽

pp. 1518-1521 ◽

Cited By ~ 1

Author(s):

Xu Xu ◽

Pei Hua Wang

Keyword(s):

Information System ◽

Spatial Analysis ◽

Spatial Information ◽

Buffer Area ◽

Buffer Analysis ◽

Important Index ◽

Space Objects ◽

Basic Functions ◽

Grid Algorithm ◽

Strip Area

Spatial analysis is the core of the space information system and the key function, and also one of evaluation a spatial information system function of the strength of the important index. Buffer analysis is the basic functions of spatial analysis on spatial information system, and is the basis of many space analysis methods. Buffer analysis is to point to identify a geographic entity or space objects on its surrounding of adjacent sex or the effect and in its built around a certain width of the strip area. In this paper, buffer area analysis of the spatial objects and grid theory are explained. On the basis of above, the establishment of grid algorithm of spatial buffer area and its shortage are also discussed. Finally, it makes exploration to the method application of the spatial buffer area analysis and the aspects of port logistics.

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Human | Wildlife, Stitching The Fabric : Connectivity Strategies For Identified Gaps in Toronto's Ravines

10.32920/ryerson.14648040.v1 ◽

2021 ◽

Author(s):

Vincent Racine

Keyword(s):

Information System ◽

Gap Analysis ◽

Landscape Connectivity ◽

Public Lands ◽

Green Spaces ◽

Gis Analysis ◽

Buffer Analysis ◽

Close Proximity ◽

The City ◽

Environmentally Significant Areas

This Master’s Research Project (MRP) examines landscape connectivity strategies for the ravine system in the City of Toronto, CA. A workshop with natural environment specialists from the City of Toronto was organized to gather practitioner-based information as to which gaps should be prioritized in the ravine system. This GAP Analysis was complemented with a Geographic Information System (GIS) - based buffer analysis looking at connectable green spaces in close proximity to Environmentally Significant Areas (ESAs). Based on both the workshop and GIS analysis, 16 gaps were investigated through which 4 typologies were created. Interviews were then conducted with professionals from comparator cities: Edmonton (CA), Vancouver (CA), Minneapolis (US), Copenhagen (DK), and Stockholm (SW) to compare into how waterfront cities use policies, partnerships and design interventions to connect waterfront public lands. Based on interviews and additional policy scans, connectivity strategies were created for all 4 typologies as a means to improve landscape connectivity in the City of Toronto.

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Analysis of Development Patterns of Built Land and Spatial Structure in Bandung City Using Landsat 8 Image Data

Jurnal Ilmu Lingkungan ◽

10.14710/jil.19.1.36-42 ◽

2021 ◽

Vol 19 (1) ◽

pp. 36-42

Author(s):

Mukhoriyah Mukhoriyah ◽

Samsul Arifin ◽

Esthi Kurnia Dewi ◽

Silvia Silvia

Keyword(s):

Spatial Structure ◽

Vegetation Index ◽

Normalized Difference Vegetation Index ◽

Image Data ◽

Development Pattern ◽

Landsat 8 ◽

Residential Areas ◽

City Center ◽

Catchment Areas ◽

The City

The development of an urban area and the increasing totally of population growth greatly affect the need for land. To satisfy these needs, the land changes into built land which causes the density of an area. This study aims to analyze the development pattern of built land and the spatial structure of Bandung City. The data used are the 2015-2020 Landsat 8 time series imagery, the 2019 SPOT-6 imagery, and the administrative boundary map. The analytical methods used to identify and differentiate between built and non-built land classes are NDVI (Normalized Difference Vegetation Index) and the OTSU method with a threshold of 0.1. Based on the analysis, the results obtained are that the changes in the area of built and non-built land in 2015 amounted to 7,115.9 Ha and in 2017 it was 5,977.3 Ha and for 2 years the area decreased by 4%. Meanwhile, in 2017-2019 there was an increase of 2%, and in 2020 it decreased by 2% again. Based on the results of the analysis, the development pattern of land developed in the city of Bandung generally spreads from the city center to the suburbs, which are used as service / government centers, trade and service areas, and infrastructure. With this spreading pattern, the spatial structure is in the form of multiple nuclei or evenly distributed throughout the city of Bandung, where the City Center or CBD is used as a landmark for the surrounding areas. The high development pattern of built land has an impact on the surrounding environment, especially residential areas that have high building density causing the settlement area to become slum and reduce water catchment areas. The conclusion of this study is that the changes in the built-in land from 2015-2020 decreased by 3%, with the development pattern of the constructed land spreading out following the form of the road network, both arterial, collector and local roads.

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Organization and some results of the work of the AGIS "Health" group of the Kazan City Center of the State Sanitary and Epidemiological Supervision

Kazan medical journal ◽

10.17816/kazmj71413 ◽

1993 ◽

Vol 74 (6) ◽

pp. 401-403

Author(s):

I. V. Pigalova ◽

A. A. Antonets ◽

A. H. Mazitova

Keyword(s):

Information System ◽

The State ◽

City Center ◽

State Information ◽

Health Group ◽

The City

Since 1981, the first unified system AGIS "Health" (automated state information system) began to operate in the city sanitary and epidemiological station to study the morbidity of the population in connection with the quality of the environment.

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