Academia.edu no longer supports Internet Explorer.
To browse Academia.edu and the wider internet faster and more securely, please take a few seconds to upgrade your browser.
2006, International Journal of Environmental Science & Technology
This paper proposed a simple method and rapid to carry out for organizing city phytostructure. Carbon dioxide sequestration was addressed and referred to population number instead of city area. The unit storage of carbon dioxide, which was nothing less than greenspace area, was determined using equivalent method of determining unit storage of water. For various population number (P) of city area in Indonesia, the greenspace unit (GU) was 29P-0.3-3.2, and the greenspace area (GA) was 29P 0.7-3.2P. Greenspace distribution was preferably on wetlands, river lines, top ground level, and north south direction.
IOP Conference Series: Earth and Environmental Science
Population growth and rapid development in Jakarta have caused a reduction in the amount of Green Open Space (GOS) in urban areas. Based on data in 2017, the public GOS managed by the Forestry Agency is only 4.65% and the private GOS can not be counted until now. Although the target of public GOS achievement is 20%, but the green plan is only 7,514.08 ha. The aim of this study is to analyze the extent and distribution of GOS and compare it with green plan. This study used the method of Geographic Information Systems to determine the extent and distribution by comparing the GOS area in year 2011 and 2018. The next step is reviewing the green plan zone according to Jakarta Spatial Planning 2030. Based on the results of this study, it can be concluded that the area of GOS in 2011 was 3,816.34 ha (5.84%) and it decreased in 2018 to 3,473.94 ha (5.31%). The distribution of GOS spreads in 5 administrative cities, with the largest area being in the East Jakarta. The result of the compariso...
Proceeding of National Conference on ‘Sustainable Energy Development and Environment Systems’, Volume-II - Environment; Organized by H.V. Desai College, Pune – 411 002 (University of Pune)., 2014
Carbon storage and sequestration by urban Garden trees was calculated to assess the role of urban forests in relation to climate change. In Pimpri-Chinchwad urban Gardens, as important elements of urban residential environments, could have significant sustainability potential. The biomass of standing vegetation was estimated by using direct estimation methods after measuring their diameter and height, Tree Vegetation carbon pool was largest in In all sampled sites we noticed heterogeneous carbon pool. Durga tekadi is major biodiversity hot spots in gardens zone, while this sites sequestrated highest amount of carbon in their biomass was 289.83 tonnes in 30.00 hectare, whereas site Mhatoba garden wakad has sequestrated the lowest amount of CO2 (13.75 tonnes) in total 1.81hectares, The total recorded biomass in the garden zone was 1419.85 tonnes and total amount of sequestrated carbon was 681.53 tonnes in 47.12 hectares. Total number of individual trees was 4975 in numbers. There were other recorded dominant species are peltophorum pterocarpum (Dc.) Baker, Acacia longifolia Willd.; Pongamia pinnata (L.) Pierre, Dalbergia latifolia Roxb.; Ficus benjamina L., Grevillea robusta Cunn.
International Journal of GEOMATE, 2019
The rapid urbanization of the city of Jakarta has resulted in the decreasing of the hydrological function of the city due to the increase of impervious land cover and the reduced water catchment area. Water conservation efforts are needed by increasing water infiltration and reducing surface water runoff with the Low Impact Development approach with green infrastructure (GI) implementation in the urban catchment area. This research takes a case study in Tanjung Barat Sub-district, South Jakarta, which acts as one of the water catchment area of Jakarta. The aims of this study are to determine the placement of GI in accordance with the criteria of land suitability and analyze the effectiveness of its application. The method used in this research is the modeling of GI placement by using BMP Siting Tools module on the SUSTAIN program and ArcGIS. And its effectiveness analysis with the calculation of flow coefficient and flow of runoff. The study result showed some of GI types that suitable to be implemented are bioretention and rain barrel. Based on the calculation of flow coefficient and runoff flow, it is known that GI application is effective in lowering the flow coefficient and reducing runoff discharge by 26.25%.
2019
Earth is the only planet in the solar system that has life. Almost 71% of the earth's surface is covered by water and all life on Earth is highly dependent on the presence of water. Conflicts of interest between life and water resources in space occur because of various interests. The purposes of this study is to investigate the potential and utilization of the Bali Ground Water Basin (CAT); and to analyze the strategy and policy directions in spatial planning of Ground Water Basin (CAT) in Bali Province, Indonesia. This research is conducted in Bali Province area, using data collecting technique is observation, literature study, and while data processing technique analyzed by analytic induction and comparative description. The findings of the study are ground water potential in Ground Water Basin (CAT) in Bali Province area is 1,577 Million M3/year (unconfined), 21 Million M3/year (confined) and ground water utilization of 8.4% or 134` M3/year. The strategy and policy direction...
2018
The study aimed to determine the carbon stock in the biomass of trees and soil organic carbon (SOC) in public green spaces of Bacolod City and Iloilo City from March 2009 to May 2011 using Brown's allometric equation. Data showed that Bacolod City Plaza had the highest carbon storage with 189.02 t/ha. This was followed by Capitol Park and Lagoon, 93.84 t/ha and Pana-ad Park and Stadium 56.12 t/ha. In Iloilo City, Plaza Libertad had the highest stored carbon in biomass with 250.88 t/ha, followed by Jaro Plaza with 116.95 t/ha and Lapaz Plaza with 75.77 t/ha. The average carbon stock per hectare showed that Iloilo had 147.90 t/ha which was higher than that of Bacolod City with 112.99 t/ha. Data on soil organic carbon (SOC) showed that Bacolod City Plaza had 42.93 t/ha SOC at 0 to 15 cm depth while Pana-ad Park and Stadium had 42.02 t/ha and Capitol Park and Lagoon with 34.71 t/ha. In Iloilo City, SOC at 15 cm depth, Jaro Plaza had 43.85 t/ha, Plaza Libertad had 43.24 t/ha and Lapaz Plaza had 37.76 t/ha. The Green spaces in Iloilo City at 0 to 15 cm depth had higher mean SOC content with 41.62 t/ha at 0 to15 cm depth compared to Bacolod City (39.89 t/ha). At 16-30 cm depth, the green spaces of Iloilo City had higher SOC (36.95 t/ha) compared to in green spaces of Bacolod City (30.85 t/ha).
Journal of Physics: Conference Series, 2019
Kalijodo Green Open Space is a green open space set by the DKI Jakarta Provincial Government in 2017. Related to the ecological function of green open space as water infiltration, a literature study was conducted to analyze the condition of Kalijodo green open space based on supporting data sources using descriptive analysis techniques. The results of the analysis show that the Kalijodo green open space has not been able to carry out ecological functions as well as water absorption. Based on the imagery in Google Earth, it is seen that Kalijodo’s green open space is very minimal vegetation and looks barren. This condition has implications for hardening the soil, so that water is difficult to seep into the soil. In the last 5 years, the average rainfall intensity from October 2013 to March 2014 was 134.97 mmph and was a very high level of rainfall intensity. Green open space is included in flood-prone areas. With the condition of the Kalijodo green open space and the high intensity o...
International Journal on Advanced Science, Engineering and Information Technology
Bogor City is one of the cities with declining air quality, which increases the risk of air pollution in the city. Improving the air quality requires the addition of vegetation as a green space that can be supported by remote sensing analysis using Google Earth Engine to know the availability of vegetation area in Bogor City. This process takes the median value of Landsat 8 Oli's satellite imagery data for 60 to 91 days of each year and classified by Random Forest Classification and supported by BPS-Statistic of Bogor Municipality data for the number of oxygen users of Bogor City that calculated by the Gerarkis Method to observe the needs of oxygen in Bogor City. The results contain a prediction of the addition of green spaces area needed in Bogor City based on the difference between the Gerarkis Method results and the availability of vegetation area in Bogor City each year. The results show an increased number from 2013 to 2019 because of the increased number of oxygen users each year. The highest number in 2019 shows that Bogor City needs 4,639 Hectares or 40.59% more green spaces area, while the lowest number happened in 2013 with 281.31 Hectares or 2.46% more green spaces area needed. This research could help the growth of development in Bogor City to be balanced between oxygen needs by the public user and urban planning plans.
Biotropika: Journal of Tropical Biology, 2021
The urbanization rate may give an adverse effect on a city. For example, it accrues the number of urban dwellers and induces the exploitation of land resources with a quick conversion rate, which leads to the degradation of the quality of the environment. This condition is exacerbated by deescalated green and open spaces (RTH) as a CO2 absorber. CO2 emissions in urban regions can be mitigated by exerting trees, which have a pivotal role in carbon uptake. This research imparts an analysis of plant species that are potential for absorbing carbon and storing biomass in green and open spaces in Ambon. The research method is quantitative by estimating biomass and carbon uptake of trees. Results indicate that trembesi (Samanea saman), linggua (Pterocarpus indicus), mahoni (Swietenia macrophylla), bintanggur (Calophyllum inophyllum), and kerai payung (Filicium decipiens) are typical trees planted in Ambon. The highest CO2 uptake capacity (B = 110.95 tons/ha, CO2 = 191.38 tons/ha) is identified in Trembesi (Samanea Saman), linggua (Pterocarpus indicus), the second-highest with a B = 61.66 tons/ha and CO2 = 106.36 tons/ha, and Akasia (Acacia mangium), the third-highest with a B = 25.24 tons/ha and CO2 = 41.69 tons/ha.
JURNAL GEOGRAFI
Medan City is a Metropolitan City with a high population growth rate, in line with the growth rate of regional development. These problems spur the occurrence of land use change. The need for land for residential locations, transportation infrastructure facilities and others will impact the reduced availability of green open space as an oxygen producer in the city of Medan. This study aims to examine the distribution of green open space, estimate the need and adequacy of green open space, and develop directions for developing green open space. This research was conducted from January to completion, using the method of interpretation and analysis of spatial data from quick bird images taken from the SAS Planet application, and calculations were carried out using the Gerarchic formula to determine oxygen demand. The results showed that the area of green open space in Medan City was 86.27 km2 (33%), and non-vegetated/non-green open space was 178.83 km2 or equivalent to (67%) of the Med...
International Journal of Engineering & Technology, 2018
An increasing number of population in Serang has resulted in the diversion of vegetated land function to be built area, thus reducing total area of green open space (RTH) of the city. Impact of the land conversion increase will occur on the increasing area of land cover. Land cover thus reduced the vegetation ability to absorb CO2, so that the CO2 generated from activities in the city, such as from energy consumption, livestock and landfill waste cannot be absorbed optimally. The purpose of this study were: 1) to analyze the amount of CO2 emissions from energy use, livestock and garbage activities in 2016-2026; 2) to analyze the CO2 absorption by green space area; 3) to analyze RTH Needs of 2016-2026 to absorb CO2. gas emission. This study was conducted in May 2016 to September 2016. The method used in this research was IPCC calculation for the calculation of emissions from garbage, livestock, and electrical energy. Based on the results of the study showed that in 2016 the Serang ci...
The garden city concept was adopted in the development of a new tropical city, Putrajaya, aimed at mitigating the effect of urban thermal modification associated with urbanisation, such as urban heat island (UHI). WRF/Noah/ UCM coupled system was used to estimate the urban environment over the area and the individual thermal contributions of natural land use classes (vegetation and waterbody). A control experiment including all land use types describing the urban conditions of Putrajaya city agreed well with the observations in the region. A series of experiments was then conducted, in which vegetation and waterbody were successively replaced with an urban land use type, providing the basis for an assessment of their respective effect on urban thermal mitigation. Surface energy components, 2-m air temperature (T2m) and mixing ratio (Q2m), relative humidity (RH) and UHI intensity (UHII) showed variations for each land use class. Overall, an increase in urban surfaces caused a corresponding increase in the thermal conditions of the city. Conversely, waterbody and vegetation induced a daily reduction of 0.14 and 0.39 °C of T2m, respectively. RH, UHI and T2m also showed variations with urban fractions. A thermal reduction effect of vegetation is visible during mornings and nights, while that of water is minimally shown during daytime. However, during nights and mornings, canopy layer thermal conditions above waterbody remain relatively high, with a rather undesirable effect on the surrounding microclimate, because of its high heat capacity and thermal inertia.
GeoEco
Local governments must provide a public green space for 20% of the total city area. In addition for aesthetic value and beauty that is used as source of public recreation and green space that used to create cooler microclimate temperatures, maintain the balance of oxygen (O2) and carbondioxide (CO2), reduce pollutants, and help maintain water availability soil. Research aims to analyze and calculate the needs of Caruban City Green Space. Research used survey method with purposive sampling technique and secondary data analysis. Temperature analysis used the thom formula, while the analysis the needs of green space with the Geravkis method. Results of study showed that in six places had relatively cooler temperatures ranging from 26-31°C in the afternoon, 26-33°C in the morning, and in the middle of afternoon about 29 to 33°C. Data showed that in one place, namely, Ahmad Yani road showed the temperature about 31-36.5°C was relatively hot. Oxygen demand in 2020 requires a full green sp...
IPTEK Journal of Proceedings Series
Growth of development in Kalirungkut Subdistrict with the functioning of MERR IIC road since 2010 is rapidly happening. The rapid development took place in the areas of trade and services, settlements, and industry as well as education. The growth development that caused the land use change is not balanced with the availability of Green Open Space (GOS) which is adequate as ecological function of rainwater absorber, thus becoming one of the causes of flood/puddle in Kalirungkut Subdistrict. Green open space to absorb rain water is part of a green infrastructure that integrates with city drainage in the form of storage and water absorption. The purpose of this research is to identify the characteristic of green open space form / morphology as an ecological function of rainwater absorber in Kalirungkut Subdistrict, by looking at the existing research benchmarks, drawing the conclusions of the analysis and making it a guideline in the development of green open space of further absorbent rainwater. This study uses a comparative descriptive analysis method. The selection of descriptive-comparative analysis is conducted to describe the comparison of existing green open space with standardization and supporting theories in the provision and development of green open space as an ecological function of rainwater absorber based on the aspects of existing research. The result of this research is the characteristic of the form/morphology of Green Open Space as ecological function of rainwater absorber in Kalirungkut Subdistrict which consists of Green Open Space form which functioned as water body in the form of water retention, the availability of garden & sports field, various types of vegetation and supporting material, Appropriate Green Open Space, and Absorption Ability of this type of land cover.
Journal of Basic sciences Vol. 1(1): 20-27, 2015
Atmospheric carbon dioxide concentration has been increasing progressively for last two centuries resulting in climate change. There are two alternatives to reduce CO2; one is to decrease carbon emissions and second is to increase carbon sink. Therefore, this study is going to focus on carbon pool, specifically in terms of urban parks vegetation. As we know, urban trees can help to mitigate climate change by sequestering atmospheric carbon. Thus, the need of the hour is to probe ways and means of managing the levels of GHGs in the atmosphere. Urban parks and gardens are considered as lungs of the cities & have the ability to remove significant amounts of air pollutants, therefore improving environmental quality (Nowak et.al, 2006) & providing a wide variety of ecological services. Development of sustainable green cities in the near future is the prior and important need of today’s fast urbanizing world. In this study, GPS Instrument and GIS-Arc view 9.3 to 10.1, - a recent software of Geographic Information System (GIS) were used as measuring the urban forest is one of the first steps toward understanding this resource and developing appropriate management plans. The inventory process yields baseline reports that serve as benchmarks on which future changes in C pool size would be calculated. In both the gardens, it ids found that Indigenous plant species even though present in less number sequester more carbon-dioxide.
International Journal of Engineering and Technology, 2015
This paper aims to investigate the effects of using natural resources that incorporates the basis of a sustainable city design in efforts to improve the urban thermal comfort in a hot and humid climate. Currently, one of the most crucial world environmental issues is urbanization in a hot and humid climate. In tropical areas, if the urban landscape is poorly designed, it will cause outdoor thermal discomfort. Natural plants and water bodies in the hot and humid landscape has a direct influence over the temperature of urban cities. Water bodies, for example, are able to lower the atmospheric temperature; whereas plants also can affect the surroundings passively. The effects of wet surfaces are increased if there is a presence of a shadow. Therefore, vegetation and water bodies are used in designing a sustainable city in order to increase the quality of outdoor thermal comfort in a hot and humid climate. This is hoped to provide a better and more comfortable human living environment.
MATEC Web of Conferences
Green cover configuration plays an important role in urban development. Research has been carried out from an investigation at riparian area of The River Kuin, Banjarmasin, Indonesia. In the riparian area of The River Kuin consists of 65.87% build-up area (red zone), 25.12% streets (gray zone), and 9% of green open space (green zone). Based on calculations with the vegetation index, the green open space which amounts to 9% is able to store carbon reserves of 129.21 tons. In addition, the presence of green open spaces also contributes to the atmosphere of life in the riparian area.
Land
Urbanization is changing land use–land cover (LULC) transforming green spaces (GS) and bodies of water into built-up areas. LULC change is affecting ecosystem services (ES) in urban areas, such as by decreasing of the water retention capacity, the urban temperature regulation capacity and the carbon sequestration. The relation between LULC change and ES is still poorly examined and quantified using actual field data. In most ES studies, GS is perceived as lumped areas instead of distributed areas, implicitly ignoring landscape patterns (LP), such as connectivity and aggregation. This preliminary study is one of the first to provide quantitative evidence of the influence of landscape pattern changes on a selection of urban ecosystem services in a megacity as Jakarta, Indonesia. The impact of urbanization on the spatiotemporal changes of ES has been identified by considering connectivity and aggregation of GS. It reveals that LP changes have significantly decreased carbon sequestratio...
Biodiversitas, 2020
Abstract. Ali MS, Arifin HS, Nurhayati. 2021. Urbanization level and its effect on the structure and function of homegarden (pekarangan) vegetation in West Java, Indonesia. Biodiversitas 22: 173-183. Urbanization occurs in West Java Province, Indonesia is currently reducing the ecological value of Indonesian pekarangan or homegardens by decreasing the average area of homegarden and the diversity and abundance of vegetation in them. One study site was in Bogor District, i.e. Selahuni 2, Ciomas Rahayu Village. Four sites in Bogor City, i.e. Sirnagalih-Pagentongan in Loji Village, Tegal Gundil Lama and Tegal Gundil Baru settlements in Tegal Gundil Village, and Baranangsiang Indah Settlement in Katulampa Village. One study site in Cianjur District, i.e. Cibakung Hamlet in Selajambe Village. The objective of this paper is to show the level of urbanization in each area of studies analyzed by Principle Component Analysis (PCA) and the dynamics of homegarden vegetation by comparing data f...
Loading Preview
Sorry, preview is currently unavailable. You can download the paper by clicking the button above.