To balance development with conservation of the coastal environment.Resilient measures for mitigating impacts of Climate Change and high-intensity Cyclones.Improving the lives of coastal communities like fishing communities.Protection of ecologically Sensitive Areas like mangroves, coral reefs which act as a shield against tsunami and cyclone.Importance of Regulation of Coastal Zones Except for fishing and related activities, all actions impugning on the sea and tidal water will be regulated in this zone. CRZ-IV: includes the water area covered between Low Tide Line and 12 nautical miles seaward.However, constructions of dwelling units in the plot area lying between 200-500m of the high tide line is allowed. No new construction of buildings allowed in this zone except repairing of the existing ones. CRZ-III: includes relatively undisturbed areas, mainly rural areas.Construction activities are allowed on the landward side only. CRZ-II: includes designated urban areas that are substantially built up.CRZ-I: includes ecologically sensitive areas, where no construction is allowed except activities for atomic power plants, defense. These are called spring tides and they occur twice a month, one on full moon period and another during new moon period.ĬRZs have been classified into 4 zones for the purpose of regulation: When the sun, the moon and the earth are in a straight line, the height of the tide will be higher. Spring tides: The position of both the sun and the moon in relation to the earth has direct bearing on tide height.Low Tide Line: Similarly, it means the line on the land up to which the lowest water line reaches during the spring tide.
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