A quantitative morphometric comparison of cockpit and doline karst landforms

Auteur(s) et Affiliation(s)

LIANG, F.

Dept. of Geography, Western Illinois Univ., Macomb, Etats-Unis

DU, Y.

State Key Lab. of Resources and Environmental Information Systems, Inst. of Geographic Sciences and Natural Resources Research, CAS, Beijing, Chine

GE, Y.

State Key Lab. of Resources and Environmental Information Systems, Inst. of Geographic Sciences and Natural Resources Research, CAS, Beijing, Chine

LI, C.

The Inst. of Remote Sensing and Digital Earth, CAS, Beijing, Chine

Description :
This study presented a quantitative comparison of cockpit and doline karst by examining the numbers and characteristics of typical types of landform entities that are developed in Guilin (Guangxi, China), La Alianza (PR, USA), Avalton (KY, USA), and Oolitic (IN, USA). Five types of landform entities were defined : isolated hill (IH), clustered hills (CHs), isolated sinkhole (IS), clustered sinkholes (CSs), and clustered hills with sinkholes (CHSs). An algorithm was developed to automatically identify these types of landform entities by examining the contour lines on topographic maps of two cockpit karst areas (Guilin and La Alianza) and two doline karst areas (Oolitic and Avalton). Difference in total number of each type of landform entity within a specific study area and between different study areas is significant and may provide some news insights into the possible controls in the development and evolution of karst landforms.

Type de document :
Article de périodique

Source :
Journal of geographical sciences. Acta geographica sinica, issn : 1009-637X, 2014, vol. 24, n°. 6, p. 1069-1082, nombre de pages : 14, Références bibliographiques : 34 ref.

Date :
2014

Editeur :
Pays édition : Chine

Langue :
Anglais