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بررسی تغییرات کاربری اراضی کشاورزی شهرستان اهواز در بازۀ زمانی سال‌های 2000 تا 2020 با استفاده از فناوری سنجش از دور | ||
| مهندسی بیوسیستم ایران | ||
| دوره 56، شماره 1، فروردین 1404، صفحه 51-70 اصل مقاله (2.48 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22059/ijbse.2025.389807.665586 | ||
| نویسندگان | ||
| کورش اندکائی زاده1؛ عباس عساکره* 2؛ سعید حجتی3 | ||
| 1گروه مهندسی بیوسیستم ، دانشکده کشاورزی، دانشگاه شهید چمران اهواز، اهواز، ایران | ||
| 2گروه مهندسی بیوسیستم، دانشکده کشاورزی، دانشگاه شهید چمران اهواز، اهواز، ایران | ||
| 3گروه مهندسی علوم خاک، دانشکده کشاورزی، دانشگاه شهید چمران اهواز، ایران | ||
| چکیده | ||
| تغییرات کاربری اراضی یکی از چالش‌های اصلی در مدیریت منابع طبیعی است و می‌تواند پیامدهای جدی زیست‌محیطی، اقتصادی، اجتماعی و فرهنگی به همراه داشته باشد. هدف از این پژوهش بررسی تغییرات کاربری اراضی شهرستان اهواز از سال 2000 تا 2020 میلادی با استفاده از تحلیل تصاویر ماهواره‌ای، جهت ارائه دید کلی در زمینه تغییرات کاربری اراضی جهت مدیریت تغییرات اراضی و برنامه‌ریزی شهری است. در این راستا، تصاویر ماهواره لندست مورد استفاده قرار گرفت و طبقه‌بندی اراضی در چهار کاربری شامل اراضی کشاورزی، مناطق انسان ساخت، اراضی بایر و پهنه‌های آبی برای سال‌های 2000، 2007، 2014 و 2020 میلادی با بهره‌گیری از شاخص‌های طیفی و الگوریتم طبقه‌بندی حداکثر احتمال انجام شد. مقادیر ضریب کاپا برای سال‌های 2000، 2007، 2014 و 2020 به ترتیب برابر با23/87، 59/88، 26/91 و 23/93 درصد و شاخص دقت کلی به ترتیب برابر با 56/89، 35/91، 58/93 و 89/94 درصد محاسبه گردید. نتایج نشان داد که در دوره مورد مطالعه، مساحت اراضی با کاربری کشاورزی و مناطق انسان‌ساخت به ترتیب با 77/2 و 97/2 برابر افزایش یافته است. افزایش اراضی کشاورزی عمدتا ناشی از تبدیل اراضی بایر به کشاورزی بوده است. همزمان با این تغییرات، گسترش اراضی انسان ساخت منجر به کاهش اراضی کشاورزی مرغوب در حاشیه شهرها شده است. این تغییرات شدید در کاربری اراضی طی دو دهه اخیر، نشان‌دهنده ضرورت برنامه‌ریزی دقیق، علمی و مبتنی بر مشارکت تمامی ارگان‌های دخیل در تغییر کاربری اراضی در راستای کاهش پیامدهای منفی زیست‌محیطی، اجتماعی و اقتصادی ناشی از تغییرات کاربری اراضی و حفظ منابع طبیعی منطقه است. | ||
| کلیدواژه‌ها | ||
| اراضی کشاورزی؛ تغییرات کاربری اراضی؛ حداکثر احتمال؛ سنجش از دور؛ شهرستان اهواز | ||
| عنوان مقاله [English] | ||
| Investigating changes in agricultural land use in Ahvaz county between 2000 and 2020 using using landsat satellite images | ||
| نویسندگان [English] | ||
| Korosh Andekaeizadeh1؛ Abbas Asakereh2؛ Saeid Hojati3 | ||
| 1Department of Biosystems Engineering, Shahid Chamran University of Ahvaz, Ahvaz, Iran. | ||
| 2Department of Biosystems Engineering, Faculty of Agriculture, Shahid Chamran University of Ahvaz, Iran, Ahvaz, Iran | ||
| 3Faculty of Agriculture, Shahid Chamran University of Ahvaz, Ahvaz, Iran, Email | ||
| چکیده [English] | ||
| Land use change is a major challenge in natural resource management and can have significant environmental, economic, social, and cultural consequences. The aim of this Study is to investigate land use changes in Ahvaz County from 2000 to 2020 using remote sensing, in order to provide an overview of land use changes for land management and urban planning. Images were acquired from Landsat satellites, and land classification into four land use types, including agricultural lands, built-up areas, barren lands, and water bodies, was performed for the years 2000, 2007, 2014, and 2020 using spectral indices and the maximum likelihood classification algorithm. The Kappa coefficient for the years 2000, 2007, 2014, and 2020 were 87.23%, 88.59%, 91.26%, and 93.23%, respectively, and the overall accuracy index was 89.56%, 91.35%, 93.58%, and 94.89%, respectively. The results showed that, during the study period, the area of land agriculture and built-up land use increased by 2.77 and 2.96 times, respectively. The increase in agricultural land was mainly due to the conversion of barren lands to agriculture. The increase in built-up areas has led to a decrease in the fertile agricultural lands around cities. The drastic changes in land use in the last two decades indicate the need for careful, scientific, and participatory planning by all agencies involved in land use change and those in charge of affairs, in order to reduce the negative environmental, social, and economic consequences and to preserve the natural resources of the region. | ||
| کلیدواژه‌ها [English] | ||
| Agricultural lands, Ahvaz county, land use changes, Maximum likelihood, remote sensing | ||
| مراجع | ||
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