Knowledge Resource Center for Ecological Environment in Arid Area
| DOI | 10.2172/9042 |
| 报告编号 | ORNL/TM-1999/44 |
| 来源ID | OSTI_ID: 9042 |
| Perspectives on Temperature in the Pacific Northwest's Fresh Waters | |
| Coutant, C.C. | |
| 英文摘要 | This report provides a perspective on environmental water temperatures in the Pacific Northwest as they relate to the establishment of water temperature standards by the state and their review by the US Environmental Protection Agency. It is a companion to other detailed reviews of the literature on thermal effects on organisms important to the region. Many factors, both natural and anthropogenic, affect water temperatures in the region. Different environmental zones have characteristic temperatures and mechanisms that affect them. There are specific biotic adaptations to environmental temperatures. Life-cycle strategies of salmonids, in particular, are attuned to annual temperature patterns. Physiological and behavioral requirements on key species form the basis of present water temperature criteria, but may need to be augmented with more concern for environmental settings. There are many issues in the setting of standards, and these are discussed. There are also issues in compliance. Alternative temperature-regulating mechanisms are discussed, as are examples of actions to control water temperatures in the environment. Standards-setting is a social process for which this report should provide background and outline options, alternatives, limitations, and other points for discussion by those in the region. |
| 出版年 | 1999 |
| 报告类型 | Technical Report |
| 语种 | 英语 |
| 国家 | 美国 |
| 来源学科分类 | 54 ENVIRONMENTAL SCIENCES ; AMBIENT TEMPERATURE ; COMPLIANCE ; FRESH WATER ; LIFE CYCLE ; TEMPERATURE DEPENDENCE ; US EPA ; WATER WATER TEMPERATURE |
| URL | http://www.osti.gov/scitech/servlets/purl/9042 |
| 资源类型 | 科技报告 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/267833 |
| 推荐引用方式 GB/T 7714 | Coutant, C.C.. Perspectives on Temperature in the Pacific Northwest's Fresh Waters,1999. |
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