Qanat's hydraulic harim determination using the meshless numerical method

Abstract Qanat is an ancient water harvesting technology which used for irrigation, agriculture and drinking in many countries of the world. A key element preserving this heritage calculating their protection area. In study, main aim depiction hydraulic harim qanat with usage meshless numerical method. Afterward, package has been added to model delineate qanat. Two systems are shown here: one a standard aquifer other real test case, namely Haji-Abad qanat, located Birjand unconfined aquifer. 10 collection shafts depicted 3 time sections as well. The years after extraction (2014), 6 (2017) 11 (2022). findings stated that makes area larger. addition, extended areas higher conductivity coefficient. Ultimately, we have delineated 2040 unfortunately, it influenced by buildings. Therefore, necessary find qanats order protect traditional heritage.