| 摘要: |
| 太阳短波辐射反射率与水体理化特性关系密切,鱼塘水体除具有一般水体反射率特性外,还与鱼塘中浮游植物生产量存在良好的负相关。在一定温度条件下,浮游植物的生长速度与光合有效辐射呈正相关,而随着浮游植物的增加,又降低了太阳辐射的反射效应,从而水体对光合有效辐射的吸收,随着浮游植物的增加而增加。增加的光合有效辐射,除一部分引起蒸发量及水温、长波有效辐射的变化外,另一部分进一步促进了水体浮游植物的生长,经与对照塘比较,可以认为肥水鱼塘比瘦水鱼塘的光能利用率要大。 |
| 关键词: 太阳总辐射 反射率 鱼塘水体 |
| DOI：10.18307/1996.0305 |
| 分类号: |
| 基金项目:国家"八五"攻关课题(项目号85—006-01一01) |
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| Water albedo of fish pond in northwest Shandong Province |
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Sun Zhifang
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Nanjing Institute of Geogrophy and Limnology, Chinese Academy of Sciences, Nanjing 210008
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| Abstract: |
| Water albedo of fish pond has close relation with its physico-chemical features.As compared with most other free actual surfaces, water surface in this region is characterized by lower reflection ratio and higher absorption.Except the features of reflection ratio on general water surfaces, the reflection ratio on fish ponds has good negative relation with produciiviiy of phytoplankton in the fish ponds for this reason, utilization ratio of light energy has positive relation with primary productivity in fish ponds. |
| Key words: Solar radiation reflection ratio fish pond |
