tailieunhanh - Light Pollution Shaina Meyer
The creeks are comparatively less along Tamil Nadu coast and the analysis of LandSat and Thematic Mapper data of April 1983 and December 1983 shows that the 'creeks are dynamically changing due to the seasonal variations. The study of Ennore and Kovalam creeks are also dynamically changing during the southwest monsoon and suffer excessive sedimentation during this period. The already exiting Jetties near Kalpakkam and Madras harbour cause excessive sedimentation near the Kovalam creeks and Ennore creeks. In the Pulicat backwater, the mouth is silted much (Durariraj, 1988; Manivel et al., 1995). Ennore creek was once the paradise. | What is light pollution The alteration of the natural quantity of light in the night environment due to the introduction of excess artificial light Should be able to see around 2 500 stars under normal nighttime conditions New Ynrk Citv New lUik City Types - Light Trespass - Glare - Over-illumination - Sky .
đang nạp các trang xem trước