Temat: geographic information - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Assessment of Soil Degradation Based on Soil Properties and Spatial Analysis in Dryland Farming
Autorzy:: Kartini, Ni Luh
Saifulloh, Moh
Trigunasih, Ni Made
Narka, I. Wayan
Powiązania:: https://bibliotekanauki.pl/articles/24201759.pdf
Data publikacji:: 2023
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: soil degradation
geographic information system
dryland farming
soil properties
Opis:: Dryland farming, managed intensively, with the input of chemical fertilizers exceeding the dose threshold, can cause soil degradation. Degraded soil affects low environmental carrying capacity and soil and water conservation. Researchers conduct soil tests on agricultural land to address this issue, especially those that apply a continuous cropping system. This study aimed to examine soil properties to determine the conditions of soil degradation in dryland farming. The method integrates spatial analysis with Geographic Information Systems (GIS), field surveys, and laboratory soil samples analysis. The spatial data used to map the potential for soil degradation includes land use, slope, rainfall, and soil type. Integrating spatial and laboratory data, such as soil physical, chemical, and biological properties results in soil degradation status conditions representing the actual conditions in the field. This study found that there were three classes of soil degradation successively, namely mild, moderate, and high. There are two statuses of soil degradation, including non-degraded and light soil degradation status. The soils with a mild degree of degradation are due to the limiting factors of permeability, fractional composition, and total porosity. Some actions that can be taken include planning soil degradation prevention measures by utilizing soil degradation potential maps that have been made for areas with high soil degradation potential. For the sites with a status of soil degradation, efforts are made to start carrying out soil improvement actions in accordance with conservation principles to reduce the soil degradation that occurs. Moreover, organic matter is added to degraded and potentially degraded soils to increase the stability of soil aggregates and water-carrying capacity.
Źródło:: Journal of Ecological Engineering; 2023, 24, 4; 368--375
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: E-tourism based on geoinformation applications for seniors: Requirements and design guidelines
Autorzy:: Kowalczyk, Kamil
Kowalczyk, Anna Maria
Zwirowicz-Rutkowska, Agnieszka
Bednarczyk, Michał
Powiązania:: https://bibliotekanauki.pl/articles/52568882.pdf
Data publikacji:: 2023
Wydawca:: Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:: geoportal
tourist map
geographic information systems (GIS)
seniors
Opis:: Innovative e-tourism tools could combine virtual reality, audio-visual data and physical travel to create a unique tourism experience for different groups of users. The aim of this study is to develop a geoinformation system supporting e-tourism for seniors. The proposals included a social geoinformation service (geoportal) and a mobile application. The solutions were tested in religious tourism destinations. The study included development of the technical requirements based on the map reading skills of the surveyed group. The recommendations presented in this article increase the knowledge about the practice and development of such geoinformation solutions.
Źródło:: Quaestiones Geographicae; 2023, 42, 3; 101-113
0137-477X
2081-6383
Pojawia się w:: Quaestiones Geographicae
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Gender-specific preferences regarding urban green areas
Autorzy:: Bąkowska-Waldmann, Edyta
Piniarski, Witold
Powiązania:: https://bibliotekanauki.pl/articles/52570245.pdf
Data publikacji:: 2023
Wydawca:: Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:: urban green areas
spatial planning
public participation
gender mainstreaming
geographic information systems
Opis:: Development of urban green areas and awareness of their value among citizens and local authorities is rapidly growing. This trend is not only the result of the coronavirus pandemic, but also reflects a belief in the role of green areas in reducing the negative effects of climate change and supporting overall well-being. As a consequence, more and more local governments are promoting local policies focused on the development of urban green areas with the participation of citizens. Using data collected in Zielona Góra, Poland, this study explores the gender patterns and differences in use and preferences according to the development of urban green areas. The main goals of the study were (1) to evaluate the possible relationship between gender and preferred types of visited green areas and transport modes used to reach them and (2) to explore the differences in expectations regarding the spatial development of green areas among men and women. The result of the study shows that women more often than men visit green areas closer to their place of residence and more often indicate playgrounds and other forms of greenery of an aesthetic function as proposed green areas. Furthermore, there are also differences regarding the means of transport used and preferable distance to green areas. Women visibly prefer green areas within the city centre, mostly use individual means of transport, and are more likely to travel on foot than men. Men prefer more distant green areas and mostly travel longer distances.
Źródło:: Quaestiones Geographicae; 2023, 42, 4; 23-41
0137-477X
2081-6383
Pojawia się w:: Quaestiones Geographicae
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Mapping of impervious surfaces with the use of remote sensing imagery: Support Vector Machines classification and GIS-based approach
Wizualizacja powierzchni nieprzepuszczalnych z wykorzystaniem zdjęć teledetekcyjnych: klasyfikacja support vector machines i podejście oparte na GIS
Autorzy:: Sobieraj, Janusz
Fernández Marín, Marcos
Metelski, Dominik
Powiązania:: https://bibliotekanauki.pl/articles/27312146.pdf
Data publikacji:: 2023
Wydawca:: Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:: klasyfikacja
powierzchnia nieprzepuszczalna
maszyna wektorów nośnych
teledetekcja
system informacji geograficznej
użytkowanie gruntów pokrycie gruntów
ArcGIS
uczenie maszynowe
classification
impervious surface
support vector machine
remote sensing
geographic information system
land use land cover
machine learning
Opis:: This study focuses on the problem of mapping impervious surfaces in urban areas and aims to use remote sensing data and orthophotos to accurately classify and map these surfaces. Impervious surface indices and green space assessments are widely used in land use and urban planning to evaluate the urban environment. Local governments also rely on impervious surface mapping to calculate stormwater fees and effectively manage stormwater runoff. However, accurately determining the size of impervious surfaces is a significant challenge. This study proposes the use of the Support Vector Machines (SVM) method, a pattern recognition approach that is increasingly used in solving engineering problems, to classify impervious surfaces. The research results demonstrate the effectiveness of the SVM method in accurately estimating impervious surfaces, as evidenced by a high overall accuracy of over 90% (indicated by the Cohen’s Kappa coefficient). A case study of the “Parkowo-Leśne” housing estate in Warsaw, which covers an area of 200,000 m², shows the successful application of the method. In practice, the remote sensing imagery and SVM method allowed accurate calculation of the area of the surface classes studied. The permeable surface represented about 67.4% of the total complex and the impervious surface corresponded to the remaining 32.6%. These results have implications for stormwater management, pollutant control, flood control, emergency management, and the establishment of stormwater fees for individual properties. The use of remote sensing data and the SVM method provides a valuable approach for mapping impervious surfaces and improving urban land use management.
Niniejsze badanie koncentruje się na problemie wyznaczania powierzchni nieprzepuszczalnych na obszarach miejskich i ma na celu wykorzystanie danych teledetekcyjnych i ortofotomap do dokładnej klasyfikacji i wizualizacji tych powierzchni. Wskaźniki powierzchni nieprzepuszczalnych i oceny terenów zielonych są szeroko stosowane w planowaniu przestrzennym i urbanistycznym do oceny środowiska miejskiego. Władze lokalne polegają również na oszacowaniu wielkości powierzchni nieprzepuszczalnych w celu obliczania opłat za wodę deszczową i skutecznego zarządzania odpływem wody deszczowej. Jednak dokładne określenie wielkości nieprzepuszczalnych powierzchni jest poważnym wyzwaniem. W niniejszym badaniu zaproponowano wykorzystanie metody Support Vector Machines (SVM), podejścia opartego na rozpoznawaniu wzorców, które jest coraz częściej stosowane w rozwiązywaniu problemów inżynieryjnych, do klasyfikacji powierzchni nieprzepuszczalnych. Wyniki badań pokazują skuteczność metody SVM w dokładnym szacowaniu powierzchni nieprzepuszczalnych, o czym świadczy wysoka ogólna precyzja wynosząca ponad 90% ( na co wskazuje współczynnik Kappa Cohena). Studium przypadku osiedla „Parkowo-Leśne” w Warszawie o powierzchni 200 000 m² pokazuje skuteczne zastosowanie metody. Wyniki wskazują, że powierzchnie przepuszczalne stanowiły około 67,4% całego kompleksu, podczas gdy powierzchnie nieprzepuszczalne stanowiły pozostałe 32,6%. Wyniki te mogą mieć wpływ na zarządzanie wodami opadowymi, kontrolę zanieczyszczeń, zapobieganie powodziom, zarządzanie kryzysowe i ustalanie opłat za wodę opadową dla poszczególnych nieruchomości. Wykorzystanie danych teledetekcyjnych i metody SVM zapewnia cenne podejście do wizualizacji powierzchni nieprzepuszczalnych i poprawy zarządzania użytkowaniem gruntów miejskich.
Źródło:: Archives of Civil Engineering; 2023, 69, 3; 129--146
1230-2945
Pojawia się w:: Archives of Civil Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Per aspera ad astra, czyli „National Geographic Polska” w kontekście informacji na temat Kosmosu (2017–2022)
Per aspera ad astra, that is “National Geographic Polska” in the context of information about the cosmos
Autorzy:: Kobiałka, Bogdan
Powiązania:: https://bibliotekanauki.pl/articles/28013200.pdf
Data publikacji:: 2023
Wydawca:: Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:: „National Geographic”
Kosmos
astronomia
informacje o Kosmosie
Mars
Księżyc
“National Geographic”
outer space
astronomy
information about the Cosmos
the Moon
Opis:: Magazyn „National Geographic”, ukazujący się w Stanach Zjednoczonych od XIX wieku, pojawił się na polskim rynku w 1999 roku w efekcie zaistniałej transformacji ustrojowej, która doprowadziła do wielu zmian, również na rynku medialnym w kraju. Czasopismo to ze względu na zawartość przynależy do segmentu prasy popularnonaukowej. Jego redaktorzy za cel wyznaczają wzbudzanie w czytelnikach zainteresowania rozmaitymi zagadnieniami, w tym tymi, dotyczącymi Kosmosu. W artykule przedstawiono analizę formalno-treściową periodyku jako potencjalnego źródła informacji w tej sferze zainteresowania. Omówiono m.in. zarys historyczny tytułu na polskim rynku wydawniczym, przybliżono dane statystyczne dotyczące wybranych publikacji, ich wartość merytoryczną, poznawczą oraz estetyczną.
The "National Geographic" magazine, which has been published in the United States since the 19th century, appeared on the Polish market in 1999 due to the political transformation that had taken place and led to many changes, also in context of media system, in the country. This magazine, due to its characteristics, belongs to the segment of popular science journals. Its editors aim to spark readers' curiosity about various topics, including outer space. The article presents a formal and content analysis of the periodical as a potential source of information in this area of interest. In addition, it discusses the historical overview of the magazine on the Polish publishing market, statistical data on selected publications, their substantive, cognitive and aesthetic value.
Źródło:: Acta Universitatis Lodziensis. Folia Librorum; 2023, 1, 36; 51-72
0860-7435
2450-1336
Pojawia się w:: Acta Universitatis Lodziensis. Folia Librorum
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Potencjał zastosowania systemów GIS w zarządzaniu łańcuchem dostaw: analiza obszarów wykorzystania
Autorzy:: Bryła, Natalia
Borowiec, Paweł
Powiązania:: https://bibliotekanauki.pl/articles/30097902.pdf
Data publikacji:: 2023
Wydawca:: Uniwersytet Gdański. Wydział Ekonomiczny
Tematy:: łańcuch dostaw
Systemy Informacji Geograficznej
ArcGIS
supply chain
Geographic Information System
Opis:: W pracy przedstawiono możliwości wykorzystania systemów GIS (Geographic Information System) w celu ułatwienia zarządzaniem łańcuchem dostaw. Autorzy zwracają uwagę na trudności z kontrolowaniem i optymalizacją coraz bardziej skomplikowanych procesów logistycznych. Opisano historię powstania i rozwoju systemów oraz dwa rozszerzenia oprogramowania ArcGIS, które mogą być użyteczne w procesie planowania i optymalizacji logistycznej. Zaprezentowano cel zastosowania rozszerzeń ArcGIS Network Analyst oraz Spatial Analyst, które pozwalają, między innymi na optymalizację tras dostaw, uwzględniając czynniki takie jak czas podróży, ukształtowanie terenu, koszty transportu oraz przeprowadzanie analiz przestrzennych, w celu zidentyfikowania najlepszych miejsc do zlokalizowania magazynów i centrów dystrybucji. Wykorzystując dostępną literaturę oraz informacje udostępnione przez firmę Esri Polska, opisano najważniejsze zagadnienia związane z łańcuchem dostaw oraz obszarem działania systemów. Głównym spostrzeżeniem jest szerokie pole zastosowań tych systemów, co pozwala na skorzystanie z nich przez wiele odrębnych od siebie branży. Jednakże, aby w pełni wykorzystać potencjał systemów GIS, konieczne jest odpowiednie zaprojektowanie systemu oraz zapewnienie odpowiedniego szkolenia dla pracowników.
The paper presents the posibilities of using GIS (Geographic Information System) in order to improve effieciency in the supply chain. The authors draw attention to the difficulties of controling and optimazing increasingly complex ligistics processes. The history of the creation and development of systems is describe, as well as two extentions of ArcGIS software, which can be useful in the process of planning and optimazing Logistics. The aim of using the ArcGIS Network Analyst and Spatial Analyst extentions is presented, which allow, among other things, for the optimization of delivery routes, taking into account factors such as travel time, terrain, transport costs and identyfing the best locations for warehouses and distribution centres. Using available literature and information provided by Esri Polska, the most important issues related to the supply chain and the scope of the systems are described. The main observation is the wide range of applications of these systems, which allows many separete industries to benefit from tchem. However, to fully utilize the potntial of GIS systems, it is necessary to design the system properly and provide appropriate traning for employees.
Źródło:: Zeszyty Studenckie Wydziału Ekonomicznego „Nasze Studia”; 2023, 13; 61-68
1731-6707
Pojawia się w:: Zeszyty Studenckie Wydziału Ekonomicznego „Nasze Studia”
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: The use of web-GIS and crowdsourcing in the acquisition of historical data on the example of Polegli1939 project
Autorzy:: Zawadzki, Mateusz
Stadnicka, Maria
Lupa, Michał
Adamek, Katarzyna
Powiązania:: https://bibliotekanauki.pl/articles/31348307.pdf
Data publikacji:: 2023-11-26
Wydawca:: Oddział Kartograficzny Polskiego Towarzystwa Geograficznego
Tematy:: Historical GIS
GeoWeb
Volunteered Geographic Information
historical data
Opis:: The historical Polegli1939 geoportal is probably the first thematic portal using spatial-temporal databases to present information on people killed during the World War II. In this study, we address the problem of capturing, processing and sharing historical information by supplementing it with a spatial attributes. The aim of the study is to determine the role of crowdsourcing data and the use of web-GIS applications in the process of obtaining and verifying historical information. The study was carried out as part of the implementation of the “Spatial database of soldiers killed in warfare” project, which is also known as Polegli1939. In order to achieve this goal, we acquired information using three methods: manual, automated and Volunteered Geographic Information (VGI). Making spatial data available through the Polegli1939 geoportal enables users to popularize and verify it. The method includes a geospatial web platform (GeoWeb) as well as a VGI application with an integrated process for verifying submitted information. As a result of the project, nearly 35,000 records were obtained. Making the project available to a wider audience opens up the possibility of extending the presented research or replicating it in other countries, taking into account a wider chronological range than just World War II.
Źródło:: Polish Cartographical Review; 2023, 55, 1; 56-72
2450-6974
Pojawia się w:: Polish Cartographical Review
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: Assessment of Biotope Suitability of Desert Locust (Schistocerca gregaria) in the Region of Hoggar (Southern Algerian Sahara)
Autorzy:: Boultif, Meriem
Boulghobra, Nouar
Bakroune, Nourelhouda
Deghiche-Diab, Nacima
Powiązania:: https://bibliotekanauki.pl/articles/2173360.pdf
Data publikacji:: 2022
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: desert locust
biotope
GIS
geographic information system
remote sensing
mapping
Algeria
Opis:: Upsurges of desert locusts can cause heavy economic and agricultural losses and threaten the food security of millions of people over dozens of countries. Therefore, monitoring and spatial delimitation of their habitats are necessary for biological control studies and sampling, especially on large surfaces. This study aimed to assess and map suitable biotopes for desert locusts in southern Algeria, through a GIS tool, by integrating multicriteria analysis (Analytical Hierarchy Process) as a decision-making tool for preventive methods, biological control and research. The result is a resolution map, classified into four different zones according to pixel values. The results revealed that 28.51% of the study area is an unsuitable biotope for desert locusts, 35.92% is a survival biotope, 19.5% is a suitable biotope mainly for breeding and eggs lying and 16.05% is highly suitable for desert locust gregarization and concentration. This study offers a simplified mapping procedure to assess locust habitats for decision-making and studies in large areas.
Źródło:: Journal of Ecological Engineering; 2022, 23, 9; 171--180
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: Assessment of soil erosion using the GIS-based erosion potential method in the Kebir Rhumel Watershed, Northeast Algeria
Autorzy:: Zeghmar, Amer
Marouf, Nadir
Mokhtari, Elhadj
Powiązania:: https://bibliotekanauki.pl/articles/2073737.pdf
Data publikacji:: 2022
Wydawca:: Instytut Technologiczno-Przyrodniczy
Tematy:: Erosion Potential Method
EPM
Geographic Information System
GIS
Kebir-Rhumel
remote sensing
soil erosion
water erosion
Opis:: Soil erosion is an important factor that should be considered when planning renewable natural resource projects, effects of which can be measured by modelling techniques. Therefore, disintegration models determine soil loss intensity and support soil conservation practices. This study estimates soil loss rates by water erosion using the Erosion Potential Method (EPM) in the Kebir Rhumel Watershed located in Northeast Algeria. The area is north to south sub-humid to semi-arid, receives irregular rainfall, and has steep slopes and low vegetation cover which makes it very vulnerable to erosion. The main factors in the EPM (soil erodibility, soil protection, slope, temperature, and rainfall) were evaluated using the Geographical Information System (GIS) and data provided by remote sensing technologies. The erosion intensity coefficient Z was 0.60, which indicates medium erosion intensity. While the results showed the average annual soil erosion of 17.92 Mg∙ha-1∙y -1, maximum and minimum losses are 190.50 Mg∙ha-1∙y-1 and 0.21 Mg∙ha-1∙y-1, respectively. The EPM model shows satisfactory results compared to some studies done in the basin, where the obtained results can be used for more appropriate management of land and water resources, sustainable planning, and environmental protection.
Źródło:: Journal of Water and Land Development; 2022, 52; 133--144
1429-7426
2083-4535
Pojawia się w:: Journal of Water and Land Development
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 10.

Tytuł:: Network analyses with the use of spatial databases
Autorzy:: Budkowski, Szczepan
Powiązania:: https://bibliotekanauki.pl/articles/2175190.pdf
Data publikacji:: 2022
Wydawca:: Uniwersytet Rolniczy im. Hugona Kołłątaja w Krakowie
Tematy:: geographic information system
database
network analysis
space management
raster data model
vector data model
system informacji geograficznej
baza danych
gospodarka przestrzenna
analiza sieci
model wektorowy
model rastowy
Opis:: An analysis is the process of browsing and searching for specific information from an entire dataset. The simplest analysis that can be performed on the data is visual analysis. However, it does not provide absolute certainty as to correctness and quality. A more advanced way of selecting required data is computer-based analysis. Analytical operations are performed on the data entered into the computer. The user defines the query, and the program performs calculations and displays the answer on the monitor screen. The aim of this publication is to conduct network analyses with the use of spatial databases. Besides focusing on the analysis as the leading research method, the paper also adopts this method to analyze the literature on the subject. In addition, the paper points to the complementary roles of the raster model and the vector model, emphasizing their coexistence. The paper shows a variety of applications of GIS analyses, from simple buffers around selected areas, through selection, and the intersection of layers, to network analyses. The high degree of advancement of GIS tools allows to build advanced models in which analyses that go beyond the original application of the collected databases can be run.
Źródło:: Geomatics, Landmanagement and Landscape; 2022, 3; 93--102
2300-1496
Pojawia się w:: Geomatics, Landmanagement and Landscape
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 11.

Tytuł:: A GIS and AHP-based approach to determine potential locations of municipal solid waste collection points in rural areas
Autorzy:: Malinowski, Mateusz
Guzdek, Sylwia
Petryk, Agnieszka
Tomaszek, Klaudia
Powiązania:: https://bibliotekanauki.pl/articles/2048640.pdf
Data publikacji:: 2021
Wydawca:: Instytut Technologiczno-Przyrodniczy
Tematy:: analytical hierarchy process
AHP
Geographic Information System
GIS
rural areas
waste collection
Opis:: Municipal solid waste collection points (MSWCPs) are places where residents of municipalities can leave their waste free of charge. MSWCPs should operate in every municipality in Poland. The Geographic Information System (GIS) and analytical hierarchy process (AHP) were used in conjunction as tools to determine potential locations of MSWCPs. Due to possible social conflicts related to the location of MSWCPs, three variants of buffer zones for a residential area were adopted. As a result of the spatial analysis carried out using the GIS software, 247 potential locations were identified in variant no. 1 (which accounted for 7.1% of commune area), 167 for variant no. 2 (6.3% of commune area), and 88 for variant no. 3 (3.8% of commune area). The most favourable locations for MSWCPs were determined using the AHP method with additional criteria for which weights were calculated as follows: the area of a designated plot (0.045), actual designation of a plot in the local spatial development plan (0.397), distance from the centre of the village (0.096) and the commune (0.231), and population density of a village (0.231). The highest weights (over 50%) in the AHP analysis were obtained for 12 locations in variant no. 3, two of which had an area over 3 ha. The adopted methodology enabled to identify quasi-optimal solutions for MSWCP locations in the analysed rural commune. This research has the potential to influence future waste management policies by assisting stakeholders In the MSWCP location.
Źródło:: Journal of Water and Land Development; 2021, 51; 94-101
1429-7426
2083-4535
Pojawia się w:: Journal of Water and Land Development
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 12.

Tytuł:: AHP and GIS-Based Site Selection for a Sanitary Landfill: Case of Settat Province, Morocco
Autorzy:: Benezzine, Ghizlane
Zouhri, Abdeljalil
Koulali, Yahya
Powiązania:: https://bibliotekanauki.pl/articles/2025385.pdf
Data publikacji:: 2021
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: sanitary landfill
household solid waste management
geographic information system
analytical hierarchy process
province of Settat
Morocco
Opis:: In Morocco, solid household waste is often disposed of in open air in unsuitable sites, causing adverse effects on humans and the environment. In the province of Settat, there are eight uncontrolled landfills. The present study aimed to determine the most suitable sites from an environmental and economic point of view to ensure good management on a regional scale. The investigation involved a combination of a multi-criteria method (the AHP analytical hierarchy process) and a GIS geographic information system (ArcGIS) with ten criteria: distance from the ground water, water surfaces, drilling, settlements, forests, roads, highway, land use, slope, and elevation. The suitability map showed that about 18.5% of the study area is suitable for installing a sanitary landfill.
Źródło:: Journal of Ecological Engineering; 2022, 23, 1; 1-13
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 13.

Tytuł:: Designation of Flood Risk Zones Using the Geographic Information System Technique and Remote Sensing Data in Wasit, Iraq
Autorzy:: Rasn, Kouther Hasheem
Nsaif, Qutaiba Abdulwahhab
Al-Obaidi, Mudhar A.
John, Yakubu Mandafiya
Powiązania:: https://bibliotekanauki.pl/articles/1838022.pdf
Data publikacji:: 2021
Wydawca:: Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:: flood
Geographic Information System
Digital Elevation Model
risk mapping
remote sensing
Opis:: Floods are a great concern for people and infrastructure, and this is an is‑sue which has increased in several regions around the globe in recent years. This study aims to evaluate flood risk areas and create a flood risk map using in‑tegrated remote sensing data and a geographic information system (GIS) in the Wasit governorate – eastern Iraq. Specifically, GIS‑based multi‑criteria analy‑sis (MCA) was used to map flood hazard areas using a four‑criteria layer which is as follows: flow accumulation, slope, rainfall, and elevation. These four layers are standardized and combined using the overlay approach in ArcGIS software and a final map was produced. The study area was divided into five zones based on the results map, namely: very low, low, medium, high, and very high, according to the flood risk area. The resulting map indicates that over 60% of the study area is likely to experience a high and very high level of propensity of flooding. This study could be useful for government planners and decision‑makers to predict potential flooding areas and enhance flood management plans.
Źródło:: Geomatics and Environmental Engineering; 2021, 15, 3; 129-140
1898-1135
Pojawia się w:: Geomatics and Environmental Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 14.

Tytuł:: Examining Landuse Pattern of Akinyele Local Government Area of Oyo State Using Remote Sensing and GIS Techniques
Autorzy:: Amusa, I. A.
Akinpelu, A. A.
Oludiji, S. M.
Oyebanji, S. T.
Powiązania:: https://bibliotekanauki.pl/articles/1839383.pdf
Data publikacji:: 2021
Wydawca:: Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:: Remote Sensing
resolution
Kappa Index
Confusion matrix and classification
Geographic Information Systems
GIS
Opis:: The study looked at the application of Remote Sensing and Geographic Information Systems in the landuse pattern in Akinyele Local Government Area of Oyo state; this is with the aim of classifying the area into the four basic classes observed in the study area. Landsat8 imagery with 30m by 30m resolution within path 191 and row 55 was downloaded, administrative boundary of the local government was used to clip the image using ArcGIS software and bands’ combination was done. Bands 7, 5 and 4 were combined to produce the composite image that gives natural colours for easy identification of features using supervised classification method. The study area was categorized into built up, vegetation, bare ground and water body. During the course of the study, it was gathered that the area has 56.84% vegetation, 39.61% built up, 3.32% bare ground and 0.23% water body. Confusion matrix was adopted for accuracy assessment. At the end, it was shown that the study had an overall classification accuracy of 83.67% and the Kappa Index is substantial at 0.77. Therefore, it was concluded that supervised image classification method is suitable for landuse classification and the results obtained are reliable.
Źródło:: World Scientific News; 2021, 162; 16-28
2392-2192
Pojawia się w:: World Scientific News
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 15.

Tytuł:: Extraction of urban construction development with using Landsat satellite images and geoinformation systems
Autorzy:: Arifjanov, Aybek M.
Akmalov, Shamshodbek B.
Samiev, Luqmon N.
Powiązania:: https://bibliotekanauki.pl/articles/1844383.pdf
Data publikacji:: 2021
Wydawca:: Instytut Technologiczno-Przyrodniczy
Tematy:: ArcGIS
geographic information system
GIS
Landsat satellite image
remote sensing
RS
urban
Opis:: In recent times there have been many changes on Earth, which have appeared after anthropogenic impact. Finding solutions to problems in the environment requires studying the problems quickly, make proper conclusions and creating safe and useful measures. Humanity has always had an effect on the environment. There can be many changes on the Earth because of direct and indirect effects of humans on nature. Determining these changes at the right time and organizing meas-urements of them requires the creation of quick analysing methods. This development has improved specialists’ interest for remote sensing (RS) imagery. Moreover, in accordance with analysis of literature sources, agriculture, irrigation and ecology have the most demand for RS imagery. This article is about using geographic information system (GIS) and RS technologies in cadastre and urban construction branches. This article covers a newly created automated method for the calculation of artificial surface area based on satellite images. Accuracy of the analysis is verified according to the field experiments. Accuracy of analysis is 95%. According to the analysis from 1972 to 2019 artificial area enlargement is 13.44%. This method is very simple and easy to use. Using this data, the analysis method can decrease economical costs for field measures. Using this method and these tools in branches also allows for greater efficiency in time and resources.
Źródło:: Journal of Water and Land Development; 2021, 48; 65-69
1429-7426
2083-4535
Pojawia się w:: Journal of Water and Land Development
Dostawca treści:: Biblioteka Nauki

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