Geodiversity of closed depressions in a high relief karst: Geoeducation asset and geotourism resource in the 'Sierra de las Nieves' National Park (Málaga Province, Southern Spain)

Closed depressions are scale-invariant landforms that are the most distinctive and characteristic landform in karst terrains at the millimetre-to-kilometre scales. The purpose of this paper is twofold. The first is to raise awareness of the geoheritage and geoeducational asset provided by closed dep...

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Main Authors: Eulogio Pardo-Igúzquiza, Juan J. Durán-Valsero, Peter A. Dowd, Juan A. Luque-Espinar, Javier Heredia, Pedro A. Robledo-Ardila
Format: Article
Language:English
Published: KeAi Communications Co., Ltd. 2022-06-01
Series:International Journal of Geoheritage and Parks
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2577444122000223
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author Eulogio Pardo-Igúzquiza
Juan J. Durán-Valsero
Peter A. Dowd
Juan A. Luque-Espinar
Javier Heredia
Pedro A. Robledo-Ardila
author_facet Eulogio Pardo-Igúzquiza
Juan J. Durán-Valsero
Peter A. Dowd
Juan A. Luque-Espinar
Javier Heredia
Pedro A. Robledo-Ardila
author_sort Eulogio Pardo-Igúzquiza
collection DOAJ
description Closed depressions are scale-invariant landforms that are the most distinctive and characteristic landform in karst terrains at the millimetre-to-kilometre scales. The purpose of this paper is twofold. The first is to raise awareness of the geoheritage and geoeducational asset provided by closed depressions in a high-relief karst massif with the objective of promoting geotourism in the Sierra de las Nieves National Park in Southern Spain, which was declared a national park in 2021. The second is to propose a general, sound methodological approach to achieve the first purpose that can be applied to other national parks and geoparks with karst terrains. This paper identifies the factors that generate geodiversity in closed depressions in karst and, although dissolution is the primary generator in the high relief karst massif analysed, five distinctive types of natural, closed depressions have been recognized and described together with particular cases that deserve consideration. A sixth type of closed depression comprises anthropic closed depressions. Lithology and tectonics are the two main geological factors that determine the different types of natural closed depressions. Closed depressions add value to the geomorphological and hydrogeological diversity of karst terrains, and they can be used at various levels both off-site and on-site for preparing exhibits at a visitor or interpretation centre; as a story resource for guided field tours; and for identifying geosites of special interest for geological itineraries. Generating interpretation methods is an important component of transferring scientific knowledge of, and interest in, karst landscapes to the various types of visitors to the recently declared Sierra de las Nieves National Park in Andalusia, Southern Spain. In addition, an extensive inventory of closed depressions can be used for their identification, mapping, conservation, protection, and management. Such an inventory, which can be obtained efficiently from high spatial resolution digital elevation models, also contributes to the promotion and dissemination of geomorphological science to the general public.
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spelling doaj.art-8c54b9617bef4ccc8bce0ca07a4bc92f2022-12-22T03:01:46ZengKeAi Communications Co., Ltd.International Journal of Geoheritage and Parks2577-44412022-06-01102196217Geodiversity of closed depressions in a high relief karst: Geoeducation asset and geotourism resource in the 'Sierra de las Nieves' National Park (Málaga Province, Southern Spain)Eulogio Pardo-Igúzquiza0Juan J. Durán-Valsero1Peter A. Dowd2Juan A. Luque-Espinar3Javier Heredia4Pedro A. Robledo-Ardila5Instituto Geológico y Minero de España (IGME), Ríos Rosas 23, 28003 Madrid, Spain; Corresponding author.Instituto Geológico y Minero de España (IGME), Ríos Rosas 23, 28003 Madrid, SpainFaculty of Engineering, Computer and Mathematical Sciences, The University of Adelaide, AustraliaUnidad del IGME en Granada, Urbanización Alcázar del Genil, 4, Edificio Zumela Bajo, 18006 Granada, SpainInstituto Geológico y Minero de España (IGME), Ríos Rosas 23, 28003 Madrid, SpainUnidad del IGME en las Islas Baleares, Felicià Fuster 7, 07006 Palma de Mallorca, SpainClosed depressions are scale-invariant landforms that are the most distinctive and characteristic landform in karst terrains at the millimetre-to-kilometre scales. The purpose of this paper is twofold. The first is to raise awareness of the geoheritage and geoeducational asset provided by closed depressions in a high-relief karst massif with the objective of promoting geotourism in the Sierra de las Nieves National Park in Southern Spain, which was declared a national park in 2021. The second is to propose a general, sound methodological approach to achieve the first purpose that can be applied to other national parks and geoparks with karst terrains. This paper identifies the factors that generate geodiversity in closed depressions in karst and, although dissolution is the primary generator in the high relief karst massif analysed, five distinctive types of natural, closed depressions have been recognized and described together with particular cases that deserve consideration. A sixth type of closed depression comprises anthropic closed depressions. Lithology and tectonics are the two main geological factors that determine the different types of natural closed depressions. Closed depressions add value to the geomorphological and hydrogeological diversity of karst terrains, and they can be used at various levels both off-site and on-site for preparing exhibits at a visitor or interpretation centre; as a story resource for guided field tours; and for identifying geosites of special interest for geological itineraries. Generating interpretation methods is an important component of transferring scientific knowledge of, and interest in, karst landscapes to the various types of visitors to the recently declared Sierra de las Nieves National Park in Andalusia, Southern Spain. In addition, an extensive inventory of closed depressions can be used for their identification, mapping, conservation, protection, and management. Such an inventory, which can be obtained efficiently from high spatial resolution digital elevation models, also contributes to the promotion and dissemination of geomorphological science to the general public.http://www.sciencedirect.com/science/article/pii/S2577444122000223closed depressionsdoline typessinkholesgeodiversitygeoheritagegeotourism
spellingShingle Eulogio Pardo-Igúzquiza
Juan J. Durán-Valsero
Peter A. Dowd
Juan A. Luque-Espinar
Javier Heredia
Pedro A. Robledo-Ardila
Geodiversity of closed depressions in a high relief karst: Geoeducation asset and geotourism resource in the 'Sierra de las Nieves' National Park (Málaga Province, Southern Spain)
International Journal of Geoheritage and Parks
closed depressions
doline types
sinkholes
geodiversity
geoheritage
geotourism
title Geodiversity of closed depressions in a high relief karst: Geoeducation asset and geotourism resource in the 'Sierra de las Nieves' National Park (Málaga Province, Southern Spain)
title_full Geodiversity of closed depressions in a high relief karst: Geoeducation asset and geotourism resource in the 'Sierra de las Nieves' National Park (Málaga Province, Southern Spain)
title_fullStr Geodiversity of closed depressions in a high relief karst: Geoeducation asset and geotourism resource in the 'Sierra de las Nieves' National Park (Málaga Province, Southern Spain)
title_full_unstemmed Geodiversity of closed depressions in a high relief karst: Geoeducation asset and geotourism resource in the 'Sierra de las Nieves' National Park (Málaga Province, Southern Spain)
title_short Geodiversity of closed depressions in a high relief karst: Geoeducation asset and geotourism resource in the 'Sierra de las Nieves' National Park (Málaga Province, Southern Spain)
title_sort geodiversity of closed depressions in a high relief karst geoeducation asset and geotourism resource in the sierra de las nieves national park malaga province southern spain
topic closed depressions
doline types
sinkholes
geodiversity
geoheritage
geotourism
url http://www.sciencedirect.com/science/article/pii/S2577444122000223
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