Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1002/esp.1618 |
Weathering of granite in Antarctica: I. Light penetration into rock and implications for rock weathering and endolithic communities | |
Hall, Kevin1; Guglielmin, Mauro2; Strini, Andrea3 | |
通讯作者 | Hall, Kevin |
来源期刊 | EARTH SURFACE PROCESSES AND LANDFORMS
![]() |
ISSN | 0197-9337 |
出版年 | 2008 |
卷号 | 33期号:2页码:295-307 |
英文摘要 | Where rocks are composed of translucent minerals, light penetrates the rock and, in so doing, impacts on the thermal conditions. Where minerals are not translucent all the heat transformation must be at the rock surface, and steep thermal gradients can occur. Where light does penetrate, a component of the incoming radiation is transformed to heat at differing depths within the rock, thereby decreasing the thermal gradient. Equally, light transmissive minerals facilitate endolithic communities, which can also play a role in rock weathering. The attribute of light transmission within rock and the impact this has on the resulting thermal conditions has not been considered within rock weathering studies. An attempt was made to monitor the amount of light penetrating the outer 2 mm of coarse granite under Antarctic summer conditions and to evaluate the thermal impact of this. It was found that the amount of light penetration at this site exceeded modeled or postulated values from biological studies and that it could significantly impact the thermal conditions within the outer shell of the rock. Although the resulting data highlighted a number of flaws in the experimental procedure, sufficient information was generated to provide the first assessment of the range of thermal responses due to light transmissive minerals in rock. Copyright (C) 2007 John Wiley & Sons, Ltd. |
英文关键词 | light penetration weathering endolithic organisms granite Antarctica |
类型 | Article |
语种 | 英语 |
国家 | South Africa ; Italy |
收录类别 | SCI-E |
WOS记录号 | WOS:000253695100009 |
WOS关键词 | CRYPTOENDOLITHIC MICROBIAL ENVIRONMENT ; NORTHERN VICTORIA LAND ; THERMAL-STRESS ; ROSS DESERT ; TEMPERATURE ; FATIGUE ; MODELS |
WOS类目 | Geography, Physical ; Geosciences, Multidisciplinary |
WOS研究方向 | Physical Geography ; Geology |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/157009 |
作者单位 | 1.Univ Pretoria, Dept Geog Geoinformat & Meteorol, ZA-0002 Pretoria, South Africa; 2.Insubria Univ, Fac Sci, Varese, Italy; 3.Univ Milan, Dipartimento Sci Terra, I-20133 Milan, Italy |
推荐引用方式 GB/T 7714 | Hall, Kevin,Guglielmin, Mauro,Strini, Andrea. Weathering of granite in Antarctica: I. Light penetration into rock and implications for rock weathering and endolithic communities[J],2008,33(2):295-307. |
APA | Hall, Kevin,Guglielmin, Mauro,&Strini, Andrea.(2008).Weathering of granite in Antarctica: I. Light penetration into rock and implications for rock weathering and endolithic communities.EARTH SURFACE PROCESSES AND LANDFORMS,33(2),295-307. |
MLA | Hall, Kevin,et al."Weathering of granite in Antarctica: I. Light penetration into rock and implications for rock weathering and endolithic communities".EARTH SURFACE PROCESSES AND LANDFORMS 33.2(2008):295-307. |
条目包含的文件 | 条目无相关文件。 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。