scholarly journals The Impact of Land Use Change on Disaster Risk from the Perspective of Efficiency

2021 ◽  
Vol 13 (6) ◽  
pp. 3151
Author(s):  
Qingmu Su ◽  
Kaida Chen ◽  
Lingyun Liao
Keyword(s):  
Land Use ◽  
Land Use Change ◽  
Land Use Changes ◽  
Land Development ◽  
Quantitative Relationship ◽  
Disaster Risk ◽  
Assessment Model ◽  
Risk Level ◽  
High Level ◽  
The Impact

The increasing demand of humankind has caused a large number of land use changes, which pose a direct or indirect threat to the environment while promoting economic growth. The lack of risk-oriented land use changes may increase the disaster risk in the region. Therefore, how to study the relationship between land use change and disaster risk deserves attention. In this study, a research framework with quantitative relationship between land use change and disaster risk was constructed from the perspective of efficiency. The framework integrated land use change, disaster losses and environment variable (runoff increment) into a three-stage data envelopment analysis (DEA) assessment model to dynamically evaluate the impact of land use changes on disasters. The main conclusions include: (I) after the influence of runoff increment and random error was excluded, the overall risk score of counties and cities in Taiwan is 0.643, which represents a relatively high level, indicating that land use changes have caused high disaster risk; and (II) the vulnerability of land development in each county and city can be obtained through the comprehensive score of disaster risk the amount of unused input. The results of this study can help government agencies to rank various types of land development and then determine the acceptable risk level and incorporate disaster risk into land development.

scholarly journals Carbon density and anthropogenic land-use influences on net land-use change emissions

2013 ◽  
Vol 10 (10) ◽  
pp. 6323-6337 ◽  
Author(s):  
S. J. Smith ◽  
A. Rothwell
Keyword(s):  
Land Use ◽  
Land Use Change ◽  
Secondary Forest ◽  
Land Use Changes ◽  
Forest Harvesting ◽  
Integrated Assessment Model ◽  
Assessment Model ◽  
Carbon Cycle Model ◽  
Land Use Scenario ◽  
The Impact

Abstract. We examine historical and future land-use emissions using a simple mechanistic carbon-cycle model with regional and ecosystem specific parameterizations. We use the latest gridded data for historical and future land-use changes, which includes estimates for the impact of forest harvesting and secondary forest regrowth. Our central estimate of net terrestrial land-use change emissions, exclusive of climate–carbon feedbacks, is 250 GtC over the last 300 yr. This estimate is most sensitive to assumptions for preindustrial forest and soil carbon densities. We also find that land-use change emissions estimates are sensitive to the treatment of crop and pasture lands. These sensitivities also translate into differences in future terrestrial uptake in the RCP (representative concentration pathway) 4.5 land-use scenario. The estimate of future uptake obtained here is smaller than the native values from the GCAM (Global Change Assessment Model) integrated assessment model result due to lower net reforestation in the RCP4.5 gridded land-use data product.

scholarly journals Link between Land Use and Flood Risk Assessment in Urban Areas

Proceedings ◽  
2020 ◽  
Vol 30 (1) ◽  
pp. 62
Author(s):  
Zahra Kalantari ◽  
Johanna Sörensen
Keyword(s):  
Land Use ◽  
Land Use Change ◽  
Green Infrastructure ◽  
Flood Risk ◽  
Urban Areas ◽  
Land Use Changes ◽  
Drainage System ◽  
Property Owners ◽  
Pluvial Flooding ◽  
The Impact

The densification of urban areas has raised concerns over increased pluvial flooding. Flood risk in urban areas might increase under the impact of land use changes. Urbanisation involves the conversion of natural areas to impermeable areas, causing lower infiltration rates and increased runoff. When high-intensity rainfall exceeds the capacity of an urban drainage system, the runoff causes pluvial flooding in low-laying areas. In the present study, a long time series (i.e., 20 years) of geo-referenced flood claims from property owners has been collected and analysed in detail to assess flood risk as it relates to land use changes in urban areas. The flood claim data come from property owners with flood insurance that covers property loss from overland flooding, groundwater intrusion through basement walls, as well as flooding from drainage systems; these data serve as a proxy of flood severity. The spatial relationships between land use change and flood occurrences in different urban areas were analysed. Special emphasis was placed on examining how nature-based solutions and blue-green infrastructure relate to flood risk. The relationships are defined by a statistical method explaining the tendencies whereby land use change affects flood risk.

scholarly journals Land Use Development of Vineyards in Goriška Brda, Slovenia

2017 ◽  
Vol 45 (2) ◽  
pp. 611-622 ◽  
Author(s):  
Alenka FIKFAK ◽  
Velibor SPALEVIC ◽  
Saja KOSANOVIC ◽  
Svetislav G. POPOVIC ◽  
Mladen DJUROVIC ◽  
...  
Keyword(s):  
Land Use ◽  
Land Use Change ◽  
Rural Areas ◽  
Cultural Landscape ◽  
Agricultural Land ◽  
Land Use Changes ◽  
Land Development ◽  
Chemical Properties ◽  
Cross Tabulation ◽  
The Cross

Land development analyses play a fundamental role in understanding how land use change shapes the land, depending on continuously changing social, economic, and environmental factors that reflect the interests in space. It is especially important to follow land use changes in rural areas due to their role in food security, environmental hazards, cultural landscape preservation, etc. Continuous analyses and monitoring of land use changes allow for the identification and prevention of negative trends in land use (over intensification, land fragmentation, etc.) that might affect biodiversity, change physical and chemical properties of soil, causing soil degradation, change the spatial balance, stability and natural equilibrium in the rural area. The use of the cross-tabulation matrix methodology was suggested for land use change analyses. The methodology, when the cross-tabulation matrix elements are correctly interpreted, allows us to gain as much insight as possible in the process of land use change. This approach enabled a detailed analysis of vineyards in Goriška brda, Slovenia. It was found that the existing methodology fails to analyse the location of change. For this reason, additional analyses of spatial distribution of change and of the locations where changes in space occur were suggested. The study demonstrated that the land use category of vineyards changes systematically, although seemingly randomly. By comparing land use categories over several time periods, the study determined that the size and speed of change varied across different time intervals. The identified land use changes were assessed in the context of their high pressure on agricultural land. The results of the analyses showed different trends shaping the typical agrarian landscape in Goriška brda.

scholarly journals Temporal-Spatial Variations and Influencing Factor of Land Use Change in Xinjiang, Central Asia, from 1995 to 2015

2019 ◽  
Vol 11 (3) ◽  
pp. 696 ◽  
Author(s):  
Qun Liu ◽  
Zhaoping Yang ◽  
Cuirong Wang ◽  
Fang Han
Keyword(s):  
Land Use ◽  
Land Use Change ◽  
Central Asia ◽  
Influencing Factor ◽  
Land Use Changes ◽  
Spatial Variations ◽  
Water Bodies ◽  
Unused Land ◽  
Basin Scale ◽  
The Impact

In this study, we analyzed the temporal-spatial variations of the characteristics of land use change in central Asia over the past two decades. This was conducted using four indicators (change rate, equilibrium extent, dynamic index, and transfer direction) and a multi-scale correlation analysis method, which explained the impact of recent environmental transformations on land use changes. The results indicated that the integrated dynamic degree of land use increased by 2.2% from 1995 to 2015. The areas of cropland, water bodies, and artificial land increased, with rates of 1047 km2/a, 39 km2/a, and 129 km2/a, respectively. On the other hand, the areas of forest, grassland, and unused land decreased, with rates of 54 km2/a, 803 km2/a, and 359 km2/a, respectively. There were significant increases in cropland and water bodies from 1995 to 2005, while the amount of artificial land significantly increased from 2005 to 2015. The increased areas of cropland in Xinjiang were mainly converted from grassland and unused land from 1995 to 2015, while the artificial land increase was mainly a result of the conversion from cropland, grassland, and unused land. The area of cropland rapidly expanded in south Xinjiang, which has led to centroid position to move cropland in Xinjiang in a southwest direction. Economic development and the rapid growth of population size are the main factors responsible for the cropland increases in Xinjiang. Runoff variations have a key impact on cropland changes at the river basin scale, as seen in three typical river basins.

scholarly journals Bioenergy-induced land-use change emissions with sectorally fragmented policies

2021 ◽  
Author(s):  
Leon Merfort ◽  
Nico Bauer ◽  
Florian Humpenöder ◽  
David Klein ◽  
Jessica Strefler ◽  
...  
Keyword(s):  
Land Use ◽  
Land Use Change ◽  
Co2 Emissions ◽  
Emission Factor ◽  
Integrated Assessment Model ◽  
Assessment Model ◽  
Policy Framework ◽  
Energy Unit ◽  
Emission Regulations ◽  
The Impact

Abstract We assess the impact of different land-use emission policies within a broader climate policy framework on bioenergy production and associated land-use carbon emissions. We use the global Integrated Assessment Model REMIND-MAgPIE integrating the energy and land-use sectors and derive alternative climate change mitigation scenarios over the 21st century. If CO2 emissions are regulated consistently across sectors, land-use change emissions of biofuels are limited to 12 kgCO2/GJ. Without land-use emission regulations applied, bioenergy-induced emissions increase substantially and the emission factor per energy unit raises to levels slightly below diesel combustion (64 kg CO2/GJ). Pricing these emissions on the level of bioenergy consumption diminishes bioenergy deployment and the associated CO2 emissions, while failing to reduce the average emission factor. Despite effective reduction of land-use emissions, undifferentiated penalization of bioenergy use substantially increases mitigation costs. If supply side policies comprehensively regulate direct and indirect emissions, bioenergy can be produced much more sustainably.

scholarly journals Land Use Changes in Ciudad Juárez, Chihuahua: A Systems Dynamic Model

2007 ◽  
Vol 8 (16) ◽  
pp. 65-89 ◽  
Author(s):  
Sergio Peña ◽  
César M. Fuentes
Keyword(s):  
Complex System ◽  
Land Use ◽  
Land Use Change ◽  
Urban Growth ◽  
Land Use Changes ◽  
Land Development ◽  
Simulation Models ◽  
Ciudad Juarez ◽  
Land Uses ◽  
The City

The objective of this article is to offer a model to simulate land use changes in Ciudad Juárez, Chihuahua, Mexico. The city faces serious challenges posed by accelerated demographic and urban growth. In its struggle to respond to urban land development pressures, governments, planning agencies and social civil organizations are overwhelmed by a multitude of concerns. The analysis of land use change revolves around two central and interrelated questions: What drives/ causes land use change? What are the environmental and socio-demographic impacts of land change? The land use changes are approached as a complex system in which the elements that define the system and how these relate to each are identified. The development of dynamic simulation models that allow for the generation of different scenarios can be an important tool for urban planning. The software used to simulate the land uses changes is Stella®. The results of the model simulated the demand for land among different land uses (commercial, industrial and residential) in the next 10 or 20 years.

scholarly journals Impacts of climate variability and land-use change on hydrology in the period 1981-2009 in the central highlands of Vietnam

2015 ◽  
Vol 17 (4) ◽  
pp. 870-881 ◽  
Keyword(s):  
Land Use ◽  
Land Use Change ◽  
Climate Variability ◽  
Assessment Tool ◽  
Meteorological Data ◽  
Land Use Changes ◽  
Hydrological Regime ◽  
Hydrological Response ◽  
Central Highlands ◽  
The Impact

<div> <p>In this study, we investigated the separate and combined impacts of climate and land-use changes on hydrological response in the Central Highlands of Vietnam during the period 1981-2009. The Mann-Kendall and Pettit tests were applied to detect the trends in the hydro-meteorological data. The Soil and Water Assessment Tool (SWAT) was setup in the region, and evaluation based on daily data highlights the models adequacy. From this, the responses of hydrology to climate variability and land-use changes were considered. Overall, variability in climate seems to strongly drive the variability in the hydrological response in comparison to alternations in the hydrological regime due to land-use change during the period 1981-2009. The results indicate that land-use change had a minor impact on the annual flow (0.4% reduction), whilst the impact from climate variability had been more significant (13.5% change). Under the impact of coupled climate variability and land-use change, the annual streamflow increased by 13.1%.</p> </div> <p>&nbsp;</p>

scholarly journals Land-Use Change Analysis of National Southern Cross Road Route Development in Bantul Regency

2021 ◽  
Vol 325 ◽  
pp. 07001
Author(s):  
Utia Kafafa ◽  
Rika Harini
Keyword(s):  
Land Use ◽  
Land Use Change ◽  
Agricultural Land ◽  
Land Use Changes ◽  
Spatial Dynamics ◽  
Specific Pattern ◽  
Change Analysis ◽  
The Road ◽  
Quantitative Descriptive ◽  
The Impact

The National Southern Cross Road Route well known as Jalan Jalur Lintas Selatan (JJLS) in Indonesia. The segment which crosses Bantul Regency has 16.65 km long. The development of JJLS will have various kinds of impacts on the community around the road infrastructure. This study wants to know how the impact of the development that saw from the spatial dynamics of land-use change. The study area is located in Poncosari, Gadingsari, Srigading, Tirtohargo, and Parangtritis Village. We process the data using the map overlay technique then analyze it with quantitative descriptive. The results of this study are the development of JJLS in Bantul Regency has not significantly affected the land-use changes. It is evident from the location of the land-use change which is far from the road and tends to be disheveled. The Land-use changes that occur do not form a specific pattern such as the pattern of conversion of agricultural land into non-agricultural land. The less significant changes in land use are caused by the condition of the JJLS which is not yet fully connected. Moreover, the status of land ownership around JJLS is Sultan Ground so a special permit is needed if the community wants to use the land.

scholarly journals Pengaruh Perkembangan Kegiatan Perdagangan dan Jasa terhadap Perubahan Penggunaan Lahan di Kawasan Solo Baru

Arsitektura ◽  
2017 ◽  
Vol 15 (1) ◽  
pp. 1
Author(s):  
Dina Arifia ◽  
Soedwiwahjono Soedwiwahjono ◽  
Rizon Pamardhi Utomo
Keyword(s):  
Land Use ◽  
Rapid Development ◽  
Land Use Changes ◽  
Land Development ◽  
Random Pattern ◽  
Residential Areas ◽  
Economic Activities ◽  
Land Use Patterns ◽  
Quantitative Descriptive ◽  
The Impact

<p><em>Solo Baru </em><em>region</em><em> has a very strategic location and were originally intended for residential areas, but then experienced a rapid development of economic activities. The development of economic activity is the most visible trade activities and services that continue to increase precisely since 2002. The development of trade and services activities is of course have an influence on land use changes that occur rapidly in Solo Baru </em><em>r</em><em>egion. Based on these issues, the formulation of the problem in this research is how the influence brought about by the development of the activity of trade in services to changes in land use. In line with these problems, this study aims to determine the effect of the development of trading activities and services to changes in land use Solo Baru Region. The method used is quantitative descriptive to determine the level of development to later described spatially. These results indicate that the development of trade and services activities has encouraged the development of other activities either similar activities (commercial) as well as supporting activities (housing, public services, and industry) so the impact on the provision of land. The need for this land that drives the changes in land use, both in terms of area, intensity, and land use patterns are formed. Developments are vertically making it more influential in the development of land compared to the intensity of the land area. Besides land development patterns that are formed are random pattern of development as the region woke formed does not have a specific shape (sporadic) and develop segmental.</em><em></em></p><p> </p><p><strong><em>Keywords</em></strong><em>: Activities Development, Trade and Services Activity, Land Use Change</em></p>

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