scholarly journals Pemanfaatan Bioretensi Buatan Sebagai Upaya Pengelolaan Air Hujan Untuk Peningkatan Kualitas Air

Kilat ◽  
2021 ◽  
Vol 10 (1) ◽  
pp. 108-119
Author(s):  
Endah Lestari
Keyword(s):  
Air Quality ◽  
Water Resources ◽  
Coming Out ◽  
Local Conditions ◽  
Local Infiltration ◽  
Peak Loads ◽  
Quality Testing ◽  
Treatment Priority ◽  
Rainwater Runoff ◽  
System Water

Water treatment priority water resources that are approved for air retention, Increased peak flow and improved water quality with regard to nutrients, pollutants, heavy metals and sediments. Bioretensi system is one alternative in improving air quality from rainwater runoff and reducing peak loads which also reduces runoff volume due to rain water.Management of urban water resources must be adapted to local conditions and sustainable. Bioretensi is a local infiltration media consisting of mixed soil and vegetation to absorb and manage rainwater so that it does not direct to the air body. The study was approved by the experimental research carried out with further research namely Bucket Bioretensi Design, installation, and testing. Some of the tests conducted on Bucket Bioretensi are rainwater quality testing, studying the level of infiltration by comparing the volume of inflows when opening a biretensi box and the volume of exits after going through a Bucket Bioretency. Bioretensi Bucket is made from used jerry cans with a capacity of 20 liters with dimensions of 27cm x 23cm x 37cm. Material obtained from high density polyethylene HDPE.  After experimenting with Bucket Bioretensi I produced 25% of the volume of air coming out, so 75% of the air received into the Bucket Bioretency system. Water coming out of the Bucket Bioretensi will visit the laboratory to test the air quality.

scholarly journals CENÁRIO DA ÁREA IRRIGADA POR PIVÔ CENTRAL NO TRIANGULO MINEIRO, NO ESTADO DE MINAS GERAIS, BRASIL

Nativa ◽  
2018 ◽  
Vol 6 (6) ◽  
pp. 613 ◽  
Author(s):  
Daniel Soares Ferreira ◽  
Wilian Rodrigues Ribeiro ◽  
Morgana Scaramussa Gonçalves ◽  
Andre Alves Pinheiro ◽  
Ramon Amaro Sales ◽  
...  
Keyword(s):  
Water Resources ◽  
Satellite Images ◽  
Irrigation System ◽  
Knowledge Bases ◽  
Minas Gerais ◽  
Sao Paulo ◽  
Irrigated Agriculture ◽  
São Paulo ◽  
Irrigated Area ◽  
System Water

A agricultura irrigada no Brasil cresceu mais de 40% nos últimos 20 anos, representando uma área de 4,4 milhões de ha, com a região Sudeste representando 47% deste total. O método de irrigação por pivô é o que mais cresce, com os estados de Minas Gerais, Goiás, Bahia e São Paulo concentrando cerca de 80% da área ocupada pela tecnologia. Neste cenário, a atualização das informações torna-se fundamentais pois criarão bases de conhecimento que irão ajudar estabelecer diretrizes para adoção e planejamento de políticas públicas que venham a contribuir para o uso estratégico dos recursos hídricos. Foi realizado fotointerpretação na escala de 1:1000, em imagens satélite da plataforma Google EarthTM Pro, para identificação do equipamento e obtenção de sua área de ocupação. Com os dados coletados realizou-se análises em função dos municípios, microrregiões e bacias hidrográficas. Atualmente, estima-se uma área irrigada de 134.741,11 hectares e 2.301 pivôs centrais. Os municípios de Rio Paranaíba (302), Perdizes (164), Santa Juliana (135), Uberaba (120) e Patos de Minas (111) destacam-se em maior número de equipamentos. A Microrregião de Araxá abrange a maior concentração de pivôs, 694, com 40.728,94 hectares irrigados. Na Bacia do Rio Paranaíba concentra-se 85,75% dos pivôs.Palavras-chave: sensoriamento remoto, sistema de irrigação, recursos hídricos. SCENARIO OF THE AREA IRRIGATED BY CENTRAL PIVOT IN THE TRIÂNGULOMINEIRO, IN THE STATE OF MINAS GERAIS, BRAZIL ABSTRACT: Irrigated agriculture in Brazil has grown over 40% in the last 20 years, representing an area of 4.4 million ha, with the Southeast region representing 47% of this total. The pivot irrigation method is the fastest growing, with the states of Minas Gerais, Goiás, Bahia and São Paulo concentrating around 80% of the area occupied by technology. In this scenario, updating the information becomes fundamental because it will create knowledge bases that will help establish guidelines for the adoption and planning of public policies that will contribute to the strategic use of water resources. It was realized photointerpretation in scale of 1: 1000, in satellite images of the platform Google EarthTM Pro, for identification of the equipment and obtaining of its area of occupation. With the data collected, analyzes were performed according to the municipalities, microregions and river basins. Currently, an irrigated area of 134,741.11 hectares and 2,301 central pivots is estimated. The municipalities of Rio Paranaíba (302), Perdizes (164), Santa Juliana (135), Uberaba (120) and Patos de Minas (111) stand out in more equipment. The Araxá Microregion encompasses the highest concentration of pivots, 694, with 40,728.94 irrigated hectares. In the Paranaíba River Basin, 85.75% of the pivots are concentrated.Keywords: remote sensing, irrigation system, water resources.

scholarly journals A regulation-allocation coupling approach for agricultural water resources management based on water quantity orientation

2020 ◽  
Author(s):  
Siyuan Liu ◽  
Ni Wang ◽  
Jiancang Xie ◽  
Rengui Jiang ◽  
Menglong Zhao
Keyword(s):  
Water Resources ◽  
Coupling Model ◽  
Northwest China ◽  
Rapid Expansion ◽  
Local Conditions ◽  
The Sustainable Development ◽  
Balanced Development ◽  
Coupling Approach ◽  
Agricultural Water Resources ◽  
Water Scarce

Abstract In water-scarce areas with low grain yields, people have to expand the farmland scale to gain more food. Rapid expansion of agricultural scale may lead to a higher risk of re-abandonment of wasteland due to waterless irrigation in water-deficient areas. Against this background, this study proposed a water resources regulation-allocation coupling model. The ‘regulation’ is to control the water consumption of agriculture and regulate the utilized scale with water resources as the main constraint; the ‘allocation’ is to optimize the water resources allocation among crops and arrange the crop planting system according to the water quota for different crops and the economic, social and ecological benefits brought by crops, so as to control the water resources among crops. Afterwards, taking an agro-pastoral ecotone in Northwest China as the study case, schemes of feasible agricultural scale and planting structure suitable for local conditions were obtained. Lastly, the matching patterns of land and water resources were raised gradually from ‘poor’ into ‘good’ degree from 2015 to 2030. This study is expected to provide a reference for controlling the ordered and balanced development of land and water resources of agriculture as well as effectively improving the sustainable development ability in water-deficient areas.

scholarly journals COMPREHENSIVE ECOHYDROLOGY STUDY TO SUPPORT AGRICULTURE AND WATER RESOURCES MANAGEMENT IN PEATLAND AREA-CENTRAL KALIMANTAN

2018 ◽  
Vol 40 (2) ◽  
pp. 66
Author(s):  
Ignasius Dwi Atmana Sutapa ◽  
Eni Maftuah ◽  
Astried Sunaryani ◽  
Hidayat Pawitan
Keyword(s):  
Water Management ◽  
Water Resources ◽  
Water Resources Management ◽  
Management System ◽  
Water Reservoir ◽  
Living Environment ◽  
Water Management System ◽  
Central Kalimantan ◽  
Resources Management ◽  
System Water

Peat swamp forest is a unique and fragile ecosystem, with specific flora and fauna that play important roles in maintaining healthy natural conditions with high economic values. This habitat also has important role for equilibrium and maintenance of living environment such as water reservoir, carbon storage, climate change, and biodiversity. Utilization of peatland for agriculture, plantations, and other activities often lead not only to controversy, but also cause land and ecosystem degradation, including water resources availability. The objective of this research was to study comprehensive ecohydrology aspects in ex-mega rice project in Central Kalimantan in order to support sustainable agricultural practices and water resources management in peatland areas. The results of the study showed that the sustainability of agricultural systems in peatland was strongly influenced by ecological aspect. This aspect can be carried out from the condition of water management system, water color condition, and possible incidence of fires. The level of suitability for crops plantation was low (S3), with the limiting factors of pH, nutrient availability, and the risk of inundation. In this case, water gates should be installed to improve water management system. Water quality in this area was typical of peat water and do not meet the requirement for daily use for the local people.

scholarly journals Wahania poziomów wody jezior w Polsce w latach 1956–2015 = Water-level fluctuations in Polish lakes in the 1956–2015 period

2020 ◽  
Vol 92 (1) ◽  
pp. 41-54
Author(s):  
Adam Choiński ◽  
Jerzy Jańczak ◽  
Ptak Mariusz
Keyword(s):  
Water Resources ◽  
Water Level ◽  
Climatic Factors ◽  
Kendall Test ◽  
Climatic Conditions ◽  
Water Levels ◽  
Water Level Fluctuations ◽  
Anthropogenic Factors ◽  
Local Conditions ◽  
Study Results

Water-level fluctuations are among the primary factors determining the functioning of lakes. The volume to which lake basins are filled with water is of major importance to the courses of many processes and phenomena. A particular amount of water in a lake, and water-table stability, are also important from the point of view of human activity, as these elements help determine the quantity and accessibility of the water resources lakes have to offer, and therefore the possibilities for them to be used by different branches of the economy, e.g. industry, agriculture or tourism. The work detailed here is thus a presentation of trends as regards water-level fluctuations in 16 lakes in Poland, over the period 1956–2015. The study results, obtained for the first time in relation to such a long time scale and extending to around a dozen lakes, aim to point to the scale and direction of water-level fluctuations in times of the intensive transformation of the natural environment. They were obtained by reference to water-level observations made by the Institute of Meteorology and Water Management – National Research Institute (IMiGW-PIB). Specifically, data referring to the (November-October) hydrological year were analysed for trends as regards mean annual water levels using the Mann-Kendall test. Results point to major variability in the courses noted for these levels over the analysed multiannual period. Nevertheless, three overall situations could be designated from within the group of cases analysed, i.e. increase, decrease or lack of a trend. The first group includes Lakes Sławskie, Jamno, Łebsko, Nidzkie, and Studzieniczne (where increases were statistically significant at p=0.05); the second, Lakes Ostrzyckie and Ełckie (decreases significant at p=0.05); and the last group all remaining lakes, i.e. Charzykowskie, Jeziorak and Rajgrodzkie, Biskupińskie, Drwęckie and Białe, Gopło, Roś, and Wigry. It was, however, noted that in many cases analysed periods of alternating increase and decrease in water level were to be observed. The causes of such fluctuations were complex, but inter alia reflected droughts of several years’ duration, periods featuring higher-than-average precipitation, and local conditions. In general, water-level fluctuations in lakes result from natural and anthropogenic factors determining the hydrological conditions in catchments. And in the context of the lakes considered here, the courses of water-level fluctuations were mostly a reflection of local, rather than wider climatic conditions – a fact i.a. illustrated by the lack of cohesive regional designations. The situation is different from that of, for example, the thermal or ice regimes of Polish lakes, in relation to which observed similarities in properties are seen to be determined mainly by climatic factors. Information of this kind may be of key importance to the (quantitative and qualitative) management of water resources in the context of the climate change being observed currently.

scholarly journals Do Recent Amendments to Alberta's Municipal Government Act Enable Management of Surface Water Resources and Air Quality?

2018 ◽  
pp. 1009
Author(s):  
Judy Stewart
Keyword(s):  
Land Use ◽  
Air Quality ◽  
Surface Water ◽  
Water Resources ◽  
Municipal Government ◽  
Growth Management ◽  
Collaborative Governance ◽  
Well Being ◽  
Surface Water Resources ◽  
Landscape Scales

Since 2015, new provisions have been added to Alberta’s Municipal Government Act (MGA) that arguably authorize municipalities to manage components of the environment, such as surface water resources and air quality at the local and regional geopolitical landscape scales. Since 2013, Part 17.1 enabled voluntary formation of “growth management boards” (GMBs) by two or more participating municipalities, and once appointed by the Minister, GMBs are empowered to create “growth plans” to govern growth-related land use decision-making processes within the boundaries of the participating municipalities. Part 17.1 was amended in 2016 and new regulations followed in 2017. City Charter provisions enacted in 2015 give broad governance powers to cities. MGA provisions that create both these new institutional arrangements do not preclude GMBs or cities from developing municipal environmental management objectives. Recent additional MGA amendments enacted as the Modernized Municipal Government Act (MMGA) in December 2016, and further amendments in the spring of 2017 added a preamble, defined “body of water” for the purposes of the MGA, provided for intermunicipal collaborative governance of land use, and amended the environmental reserve provisions and other regulatory aspects of Part 17: Planning and Development. Two new purposes of municipal government were added: “to work collaboratively with neighbouring municipalities to plan, deliver and fund intermunicipal services,” and “to foster the well-being of the environment.” In this article, amendments to the MGA since 2015 are examined and analyzed in light of Alberta’s regional watershed scale land use policy, legislation, and regulations to determine if Alberta municipalities are now authorized to manage the environment, specifically surface water resources and water quality.

scholarly journals The Natural Environmental Factors Influencing the Spatial Distribution of Marathon Event: A Case Study from China

2020 ◽  
Vol 17 (7) ◽  
pp. 2238
Author(s):  
Zhanbing Ren ◽  
Yifan Zuo ◽  
Yudan Ma ◽  
Mu Zhang ◽  
Lee Smith ◽  
...  
Keyword(s):  
Spatial Distribution ◽  
Air Quality ◽  
Water Resources ◽  
Environmental Factors ◽  
Buffer Zone ◽  
Quality Level ◽  
Mountain Range ◽  
Monsoon Climate ◽  
Buffer Zones ◽  
Subtropical Monsoon Climate

Purpose: The purpose of this study was to investigate the influence of natural environmental factors on the spatial distribution of marathon events in China, and to identify the suitable natural environmental factors for the marathon events. Methods: Geographic information system (GIS) spatial analysis tools were used to perform coupling analysis, e.g. overlap, neighborhood, intersection and buffer for terrain, climate, air quality, mountains and water resources with 342 marathon events held in China in 2018. Results: The results indicate that the spatial distribution of marathon events in China is negatively correlated with the elevation of the terrain (plain > hill > plateau > mountain > basin); climate (subtropical monsoon climate > temperate monsoon climate > temperate continental climate > tropical monsoon climate > plateau alpine climate), air quality (level 3 > level 2 > level 4 > level 1). Results indicate that buffer zones can protect water resources: there are 24 items in the buffer zone of river 0.5 km and lake 1 km, 131 items in the buffer zone of river 3 km and lake 5 km, 191 items in the buffer zone of river 5 km and lake 10 km, 298 items in the buffer zone of river 10 km and lake 20 km. Results indicate for mountain range buffer: 13 items in the 20 km buffer and 39 items in the 50 km buffer. Conclusions: Marathon events are more likely to be held on the third rung of China’s topography where a city has a typical landform (plains, basins, hills, or mountain) with good climate and air quality. Meanwhile a city with water and mountain resources for recreational events such as cross-country or obstacle course are essential. The contribution of this study is to systematically and intuitively reflect the influence of natural environment factors on the distribution of marathon events in China, and to provide evidence for the medium and long-term planning of marathon events in China, the selection of venues for different types of marathon events and how to attract participants.

ANALYSIS OF AIR QUALITY IN TWO SITES WITH DIFFERENT LOCAL CONDITIONS

2013 ◽  
Vol 12 (2) ◽  
pp. 371-379 ◽  
Author(s):  
Cristian Radu ◽  
Sabina Stefan ◽  
Livio Belegante
Keyword(s):  
Air Quality ◽  
Local Conditions

Air Quality Assessment by Neural Networks

2011 ◽  
pp. 91-117
Author(s):  
Petr Hájek ◽  
Vladimír Olej
Keyword(s):  
Neural Networks ◽  
Fuzzy Logic ◽  
Air Quality ◽  
Quality Assessment ◽  
Air Pollutants ◽  
Quality Indices ◽  
Feature Maps ◽  
Local Conditions ◽  
Mean Values ◽  
Air Quality Assessment

The chapter presents an overview of current methods for air quality assessment, i.e. air stress indices and air quality indices. Traditional air quality assessment is realized using air quality indices which are determined as mean values of selected air pollutants. Thus, air quality assessment depends on strictly given limits without taking into account specific local conditions and synergic relations between air pollutants and other meteorological factors. The stated limitations can be eliminated, e.g. using systems based on neural networks and fuzzy logic. Therefore, the chapter presents a design of a model for air quality assessment based on a combination of Kohonen’s self-organizing feature maps and fuzzy logic neural networks. The model makes it possible to analyze the structure of data, to find localities with similar air quality, and to interpret the classification results by means of fuzzy logic. Due to its generalization ability, it is also possible to classify unknown localities into classes assessing their air quality.

Magnetic monitoring of PM filters from Air Monitoring Stations during the COVID-19 lockdown in Rome, Italy (March 10th - May 18th, 2020)

2021 ◽  
Author(s):  
Aldo Winkler ◽  
Antonio Amoroso ◽  
Alessandro Di Giosa ◽  
Giada Marchegiani
Keyword(s):  
Magnetic Susceptibility ◽  
Air Quality ◽  
Urban Areas ◽  
Magnetic Measurements ◽  
Air Monitoring ◽  
Magnetic Minerals ◽  
Concentration Data ◽  
Local Conditions ◽  
The Impact ◽  
Monitoring Stations

<p>An extensive survey of the magnetic properties of PM filters from selected air monitoring stations in Rome and other localities in Latium Region (Sacco Valley, Civitavecchia, Fiumicino) was conducted for outlining the impact of the lockdown measures on air quality.</p><p>The magnetic measurements highlighted a relevant content of magnetic minerals, mostly attributable to traffic related sources, on the filters from two stations in Rome and two stations from the urban areas of Civitavecchia and Fiumicino.</p><p>The PM filters from the Sacco Valley showed reduced concentrations of magnetic minerals, compared to Rome, however higher than the Castel Di Guido and Civitavecchia Sant'Agostino control stations.</p><p>The daily PM concentration data did not generally correlate with the mass susceptibility data, indicating that PM was often dominated by non-ferromagnetic contents, presumably due to wind-driven natural dusts, as stressed by the frequent anticorrelation between mass magnetic susceptibility and PM concentration.</p><p>In Magnagrecia air quality station, Rome, the average values ​​of the concentration depending magnetic parameters resulted about a half of those measured in 2005 on the filters from the same station.</p><p>From the Day plot, the filters with higher magnetic susceptibility values showed relatively coarse magnetite-like particles as the main magnetic minerals, ascribable to non-exhaust PM emissions from brakes.</p><p>This study confirmed that the interpretation of PM concentration during the lockdown is not straightforward and depends on many factors, such as natural inputs, resuspension and local conditions; anyway, magnetic analyses confirmed to be a valuable tool in PM source apportionment and concentration data interpretation.</p>

Editorial Introduction

2009 ◽  
Author(s):  
Jamie Woodward
Keyword(s):  
Climate Change ◽  
Air Quality ◽  
Water Resources ◽  
Land Degradation ◽  
Environmental Changes ◽  
Urban Expansion ◽  
Monitoring Networks ◽  
Resource Exploitation ◽  
Mediterranean Environment ◽  
The Mediterranean

This volume has traced the development of the Mediterranean landscape over very long timescales and has examined modern processes in a wide range of settings. Earlier chapters have explored tectonic processes and the evolution of the topography and biota, the nature and impact of Quaternary climate change, and natural hazards, as well as the increasing role of human activity in shaping geomorphological processes and ecosystems during the course of the postglacial period. A core theme in several chapters is the nature of the relationship between humans and the Mediterranean environment. Over the last one hundred years or so, and especially in the period since the Second World War, this relationship has changed dramatically. Resource exploitation, urban expansion, and rural depopulation have all taken place at unprecedented rates, with major impacts upon the quality of land, water, air, and ecosystems. The final part of this volume examines four key topics of environmental concern; its four chapters explore, respectively, land degradation, water resources, interactions between air quality and the climate system, and biodiversity and conservation. Where possible, it is important to place these issues within an appropriate historical perspective. Many components of the Mediterranean environment have responded in a sensitive way to past environmental changes, but the pressures on land and water resources have never been more intense. Improved monitoring networks and new modelling efforts are needed to predict more effectively the impact of climate and social change on all environmental systems and to help inform policymakers seeking a more sustainable use of the region’s resources. Chapter 20 examines the ecological aspects of land degradation and sets out new ideas on productivity dynamics. It explores some of the interactions between land use change, vegetation dynamics, grazing patterns and wildfires. The uneven geography of water resources and water use are highlighted in Chapter 21. Water resource issues have become an increasingly important factor in the geopolitics of the region against a background of climate change uncertainty, rising demand, and a diminishing resource base. Chapter 22 analyses the interactions between climate, air quality, and the water cycle.

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