Energy budget of the water body of the Nanhu lake in Changchun city was studied at ecosystem level.The water surface received 4969635.4kJ·m -2 radiant energy annually,which was used to conduct the physical and bi...Energy budget of the water body of the Nanhu lake in Changchun city was studied at ecosystem level.The water surface received 4969635.4kJ·m -2 radiant energy annually,which was used to conduct the physical and biological reactions in the lake,as well as the energy exchanges with surroundings.Loss by evaporation amounted to 55 9% of the total radiant energy received by the lake body,with reflection 17 8%,exchange with atmosphere 14 0%,increase of water temperature 6 6%,ice melting 4 9%,primary production 0 6%,and exchange with bottom 0 2%.Finally, the energy budget of the Nanhu Lake was compared with other water bodies.展开更多
文摘Energy budget of the water body of the Nanhu lake in Changchun city was studied at ecosystem level.The water surface received 4969635.4kJ·m -2 radiant energy annually,which was used to conduct the physical and biological reactions in the lake,as well as the energy exchanges with surroundings.Loss by evaporation amounted to 55 9% of the total radiant energy received by the lake body,with reflection 17 8%,exchange with atmosphere 14 0%,increase of water temperature 6 6%,ice melting 4 9%,primary production 0 6%,and exchange with bottom 0 2%.Finally, the energy budget of the Nanhu Lake was compared with other water bodies.
