Development of Streambed Potholes and the Role of Grinding Stones
The largest grinding stone episodically stored in pothole is not only responsible for growth of pothole size but also determines its shape. This paper examines the largest grinding stone found in cylindrical potholes and their role in pothole growth using empirical analysis. The largest grinding sto...
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| Format: | Article |
| Language: | English |
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University of Szeged
2018-04-01
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| Series: | Journal of Environmental Geography |
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| Online Access: | https://doi.org/10.2478/jengeo-2018-0002 |
| _version_ | 1818245925846384640 |
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| author | Das Balai Chandra |
| author_facet | Das Balai Chandra |
| author_sort | Das Balai Chandra |
| collection | DOAJ |
| description | The largest grinding stone episodically stored in pothole is not only responsible for growth of pothole size but also determines its shape. This paper examines the largest grinding stone found in cylindrical potholes and their role in pothole growth using empirical analysis. The largest grinding stone from 34 randomly selected potholes, developed on the riverbed of Subarnarekha River at Ghatshila, Jharkhand, India, were analyzed to have an insight into 1) their sizes and shapes; 2) controls on grinding stone shape; and 3) roles of largest grinding stone on streambed pothole growth. Strong correlation coefficient between the size and weight of grinding stones reveals their similar specific gravity. The pothole depth was proportional to the diameter of the largest grinding stone in it. Concave pothole-floors developed because of abrasion by grinding stones atop floor. A force applied on largest grinding stone depends upon not only eddy velocity within pothole but also on shape of the stone. |
| first_indexed | 2024-12-12T14:40:40Z |
| format | Article |
| id | doaj.art-26aa633b19fb40adbb46699f53edfbef |
| institution | Directory Open Access Journal |
| issn | 2060-467X |
| language | English |
| last_indexed | 2024-12-12T14:40:40Z |
| publishDate | 2018-04-01 |
| publisher | University of Szeged |
| record_format | Article |
| series | Journal of Environmental Geography |
| spelling | doaj.art-26aa633b19fb40adbb46699f53edfbef2022-12-22T00:21:15ZengUniversity of SzegedJournal of Environmental Geography2060-467X2018-04-01111-291610.2478/jengeo-2018-0002jengeo-2018-0002Development of Streambed Potholes and the Role of Grinding StonesDas Balai Chandra0Department of Geography, Krishnagar Government College, College Street, Krishnagar, Nadia-471101, West Bengal, IndiaThe largest grinding stone episodically stored in pothole is not only responsible for growth of pothole size but also determines its shape. This paper examines the largest grinding stone found in cylindrical potholes and their role in pothole growth using empirical analysis. The largest grinding stone from 34 randomly selected potholes, developed on the riverbed of Subarnarekha River at Ghatshila, Jharkhand, India, were analyzed to have an insight into 1) their sizes and shapes; 2) controls on grinding stone shape; and 3) roles of largest grinding stone on streambed pothole growth. Strong correlation coefficient between the size and weight of grinding stones reveals their similar specific gravity. The pothole depth was proportional to the diameter of the largest grinding stone in it. Concave pothole-floors developed because of abrasion by grinding stones atop floor. A force applied on largest grinding stone depends upon not only eddy velocity within pothole but also on shape of the stone.https://doi.org/10.2478/jengeo-2018-0002potholeslargest grinding stoneshape of grinding stoneeddy velocity |
| spellingShingle | Das Balai Chandra Development of Streambed Potholes and the Role of Grinding Stones Journal of Environmental Geography potholes largest grinding stone shape of grinding stone eddy velocity |
| title | Development of Streambed Potholes and the Role of Grinding Stones |
| title_full | Development of Streambed Potholes and the Role of Grinding Stones |
| title_fullStr | Development of Streambed Potholes and the Role of Grinding Stones |
| title_full_unstemmed | Development of Streambed Potholes and the Role of Grinding Stones |
| title_short | Development of Streambed Potholes and the Role of Grinding Stones |
| title_sort | development of streambed potholes and the role of grinding stones |
| topic | potholes largest grinding stone shape of grinding stone eddy velocity |
| url | https://doi.org/10.2478/jengeo-2018-0002 |
| work_keys_str_mv | AT dasbalaichandra developmentofstreambedpotholesandtheroleofgrindingstones |