نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی کارشناسی ارشد، گروه مهندسی آب، دانشکده مهندسی زراعی، دانشگاه علوم کشاورزی و منابع طبیعی ساری، ساری، ایران

2 دانشیار، گروه مهندسی آب، دانشکده مهندسی زراعی، دانشگاه علوم کشاورزی و منابع طبیعی ساری، ساری، ایران

3 دانشیار پژوهش، بخش تحقیقات فنی و مهندسی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی همدان، سازمان تحقیقات، آموزش و ترویج کشاورزی، همدان، ایران

چکیده

مدل‌های آبیاری سطحی وسیله‌ای جهت ارزیابی و طراحی روش‌های آبیاری سطحی هستند. با استفاده از آن می‌توان تمام مراحل یک آبیاری کامل را شبیه‌سازی و طراحی و با تغییر عوامل ورودی که در حقیقت عوامل طراحی هستند به سامانه‌ای با راندمان بالادست ‌یافت. هدف از این پژوهش بررسی پارامترهای معادله نفوذ، عمق آب نفوذ یافته در مزرعه، پارامترهای ارزیابی مزرعه شامل راندمان کاربرد آب در مزرعه، درصد تلفات رواناب، راندمان یکنواختی و نفوذ عمقی به­وسیلۀ نرم­افزار SIRMOD است. ابتدا داده‌های موردنیاز از محل مزرعه­ای واقع در دشت کبودرآهنگ روستای طاسران با اندازه‌گیری‌های صحرایی جمع‌آوری شد. سپس مدل­های موجود در مدل SIRMOD که شامل مدل هیدرودینامیک، اینرسی صفر و موج سینماتیک است مورد ارزیابی و شبیه­سازی قرار گرفت. نتایج نشان داد که داده‌های برآورد شده توسط مدل با داده­های زمان پیشروی مشاهده‌شده در مزرعه مطابقت داشت. بهترین نتایج شبیه‌سازی حجم نفوذ یافته با متوسط خطای 5/5% و برای حجم رواناب با متوسط خطای 8/0% پیش‌بینی شد. به‌طورکلی بر اساس نتایج این پژوهش، نرم­افزار SIRMOD شبیه‌سازی مناسبی از سیستم آبیاری جویچه‌ای انجام داد.

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

Simulation and Evaluation of Furrow Irrigation in Potato Cultivation Using SIRMOD Model

نویسندگان [English]

  • Kobra Lohrasbi 1
  • Mojtaba Khoshravesh 2
  • Ali Ghadami Firouzabadi 3

1 M.Sc Student, Department of Water Engineering, Faculty of Agricultural Engineering, Sari Agricultural Sciences and Natural Resources University, Sari, Iran

2 Assoc. Professor., Department of Water Engineering, Faculty of Agricultural Engineering, Sari Agricultural Sciences and Natural Resources University, Sari, Iran

3 Assoc. Professor, Department of Agricultural Engineering Research, Hamedan Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education and Extension Organization, Hamedan, Iran

چکیده [English]

Surface irrigation models are tools for evaluating and designing surface irrigation methods. Using it, all stages of complete irrigation can be simulated and designed, and by changing the input factors, which are in fact design factors, a high-efficiency system can be achieved. The purpose of this study is to investigate the parameters of the infiltration equation, the depth of infiltrated water in the field, and the field evaluation parameters including water use efficiency in the field, percentage of runoff losses, uniformity efficiency, and deep infiltration by SIRMOD software. In this study, first, the required data were collected from the farm located in Kaboudar Ahang plain of Tasaran village with field measurements, then the existing models in SIRMOD software were evaluated and simulated which includes hydrodynamic model, zero-inertia, and kinematic wave. The results showed that the data estimated by the model were consistent with the advanced time data observed in the field. The best simulation results for infiltrated volume were predicted with an average error of 5.5%, and runoff volume was predicted with an average error of 0.8%. In general, based on the results of this study, the SIRMOD software has performed a good simulation of the furrow irrigation system.

کلیدواژه‌ها [English]

  • Advanced Time
  • Application Efficiency
  • Hydrodynamic
  • Recession Time
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