Quantitative Evaluation and Spatial Clustering of Geodiversity in Iran

IF 2.3 2区地球科学 Q2 GEOSCIENCES, MULTIDISCIPLINARY

Geoheritage Pub Date : 2024-01-24 DOI:10.1007/s12371-024-00914-4

Reza Esmaili

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Abstract

Geodiversity assessment provides a reliable basis for land planning and management at national and regional levels. The present study was conducted with the aim of evaluating and analyzing the geodiversity in Iran and comparing the two methods of kriging and hotspot analysis in creating a geodiversity map. To this end, five main factors, including, geology, geomorphology, soil, hydrography, and climate were used to generate a geodiversity map. The number of features was counted for each index of each grid. The values of each index and the sum of these values were analyzed using Kriging and Getis-Ord Gi* statistics methods. According to the Getis-Ord Gi* statistic, 16.2% of Iran’s area is located in hotspot clusters with a confidence level of more than 95%. The Zagros folded belt, Alborz mountains, Sanandaj-Sirjan zone, Zagros thrust belt, Uromieh-Dokhtar zone, mountains north of Kerman (Central of Iran), and Maku-Baneh zone were identified as the most important geodiversity hotspots in Iran. The results showed that the Getis-Ord Gi* method with a higher coefficient of determination and classification of clusters based on Z-score and P-value is more accurate than the kriging method for classifying hot spots of geodiversity.

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伊朗地质多样性的定量评估和空间聚类

地质多样性评估为国家和地区层面的土地规划和管理提供了可靠依据。本研究旨在评估和分析伊朗的地质多样性，并比较克里金法和热点分析法这两种绘制地质多样性地图的方法。为此，使用了地质、地貌、土壤、水文地理和气候等五个主要因素来生成地质多样性地图。每个网格的每个指数都计算了地物的数量。使用克里金法和 Getis-Ord Gi* 统计方法对每个指数的值和这些值的总和进行分析。根据 Getis-Ord Gi* 统计法，伊朗 16.2% 的面积位于热点集群中，置信度超过 95%。扎格罗斯褶皱带、阿尔伯兹山脉、萨南达季-锡尔詹地区、扎格罗斯推力带、乌罗米耶-多赫塔尔地区、克尔曼北部山区（伊朗中部）以及马库-巴内赫地区被确定为伊朗最重要的地质多样性热点地区。结果表明，Getis-Ord Gi* 法的确定系数较高，根据 Z 值和 P 值进行聚类分类比克里金法对地质多样性热点进行分类更为准确。

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来源期刊

Geoheritage GEOSCIENCES, MULTIDISCIPLINARY-

CiteScore

5.10

自引率

34.50%

发文量

107

期刊介绍： The Geoheritage journal is an international journal dedicated to discussing all aspects of our global geoheritage, both in situ and portable. The journal will invite all contributions on the conservation of sites and materials - use, protection and practical heritage management - as well as its interpretation through education, training and tourism. The journal wishes to cover all aspects of geoheritage and its protection. Key topics are: - Identification, characterisation, quantification and management of geoheritage; - Geodiversity and geosites; - On-site science, geological and geomorphological research: - Global scientific heritage - key scientific geosites, GSSPs, stratotype conservation and management; - Scientific research and education, and the promotion of the geosciences thereby; - Conventions, statute and legal instruments, national and international; - Integration of biodiversity and geodiversity in nature conservation and land-use policies; - Geological heritage and Environmental Impact Assessment studies; - Geological heritage, sustainable development, community action, practical initiatives and tourism; - Geoparks: creation, management and outputs; - Conservation in the natural world, Man-made and natural impacts, climate change; - Geotourism definitions, methodologies, and case studies; - International mechanisms for conservation and popularisation - World Heritage Sites, National Parks etc.; - Materials, data and people important in the history of science, museums, collections and all portable geoheritage; - Education and training of geoheritage specialists; - Pedagogical use of geological heritage - publications, teaching media, trails, centres, on-site museums; - Linking the United Nations Decade of Education for Sustainable Development (2005- 2014) with geoconservation.