AbstractLand subsidence occur due to the natural and human activities. One of the main causes of subsidence is the excessive usage of groundwater resources. In the study area, due to the dry and desert area, low rainfall and lack of permanent rivers, the most use of gro More
AbstractLand subsidence occur due to the natural and human activities. One of the main causes of subsidence is the excessive usage of groundwater resources. In the study area, due to the dry and desert area, low rainfall and lack of permanent rivers, the most use of groundwater resources is that in this area we see many wells for agricultural use. Various types of deformation surveying technique have been used widely to measure the land subsidence pattern.This research is based on radar remote sensing method and field study. First, satellite data and images were examined and processed using the remote sensing method. To investigate the temperature, the radar interference technique was used to process the radar images at specific intervals. The images used relate to the ASAR Envisat satellite in the C band from 2003 to 2010 and the pair of images of the Sentinel 1 satellite in the C band from 2019 to 2020. The results of this technique show that the highest amount of subsidence related to the agricultural lands in the center and north of the plain is about 13.4 cm in the period 2007 to 2010 and also in the period 2007 to 2008 about 13.1 cm. We see the subsidence meter. In the new study of Sentinel1 satellite images in the period 2019 to 2020, this area has also experienced a subsidence of 5.9 cm, which indicates the continuation of subsidence in this region. To verify the results, statistics related to piezometer wells were used and the results show a decrease in groundwater level in the study area in the period 2007 to 2010.
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Nehbandan County is considered one of the important areas in the archaeological research of the historical and Islamic period of South Khorasan. The eastern region of Shah Kouh in the west of this county, due to the existence of suitable and favorable climatic and land More
Nehbandan County is considered one of the important areas in the archaeological research of the historical and Islamic period of South Khorasan. The eastern region of Shah Kouh in the west of this county, due to the existence of suitable and favorable climatic and land conditions, contains important and spacious settlements, which shows their importance in intra- and extra-regional interactions in historical times. Among these unique monuments, there are the remaining parts of the building known as Atashkadeh (Fire Temple) in the village of the same name, but unfortunately, only a few parts of this structure are left. According to the results of the excavation project to determine the core zone and suggest the buffer zone of the building as well as the existing architectural evidence and the current architecture in the context of the village, it is believed that this structure was founded with a cruciform pattern and four stone walls and a dome cover. The study shows that this building was built in the Sassanid period and was still standing in the early Islamic centuries as a religious place and in connection with the surrounding sites. Here, some of the nearby sites such as Kalate Bal Batu and Taska Cemetery were introduced and their surface cultural remains were also discussed and analyzed. This research aims to recognize the Fire Temple building according to the archaeological evidence and also to introduce other sites of the historical era such as Klate Bel Beto and Taska. Collecting the findings has been conducted in the field and analyzing them through Library research has been done with a historical-cultural approach and descriptive-analytical method.
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Introduction: Today, due to the increase in the potential of natural hazards to cause major social, economic and environmental damage, as well as the intensification of climate change, adaptation and coexistence with hazards has become a guiding principle for reducing i More
Introduction: Today, due to the increase in the potential of natural hazards to cause major social, economic and environmental damage, as well as the intensification of climate change, adaptation and coexistence with hazards has become a guiding principle for reducing its damage, preparation, response and recovery throughout the world.Creating compatibility and adaptation with natural phenomena and hazards and coexisting with them as one of the ways to deal with and manage their adverse effects as well as using the positive potentials of these phenomena are important strategies in hazard management.Some of the natural processes in integration and engagement with other events and behavioral patterns of communities become more risky than the sustainability and survival of communities depend on management and the proper response to them. The 120 - day northeast winds of the country are the natural processes that have persisted long. climate change and drought due to it have fueled the effects of 120 - day winds on different aspects of local communities.Methodology: the aim of this study : the present study examined the effects of these winds in 10 villages of Nehbandan county and also the analysis of the most important actions of 187 families from residents in the region to cope with these effects .Geographical area of research: villages of Nehbandan County Results and discussion: to determine the most important effects and measures of villagers for adaptation, first half structured interview with a number of experts and experts involved in the issue has been made and after analyzing the interviews, indexes and variables are extracted and the basis of designing a structured questionnaire is used to evaluate the effects and actions of local communities.Conclusion: the results indicate that the most impacts on environmental dimension ( 88 / 88 ) and the most important measures to deal with social - cultural dimension ( 47 ) have been done .keywords: local communities, risk management, 120 - day winds, adaptability, Nehbandan county.
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