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India accounts for 18% of the world's population and about 4% of the world's water resources. One of the proposed solutions to solve the country's water woes is the Indian rivers interlinking project. [2] Some 80 percent of its area experiences rains of 750 millimetres (30 in) or more a year. However, this rain is not uniform in time or geography.
Water resources are natural resources of water that are potentially useful for humans, for example as a source of drinking water supply or irrigation water. These resources can be either freshwater from natural sources, or water produced artificially from other sources, such as from reclaimed water or desalinated water (). 97% of the water on Earth is salt water and only three percent is fresh ...
India's total renewable water resources are estimated at 1,907.8 km 3 a year. [80] Its annual supply of usable and replenishable groundwater amounts to 350 billion cubic metres. [81] Only 35% of groundwater resources are being utilised. [81] About 44 million tonnes of cargo is moved annually through the country's major rivers and waterways. [63]
Water system: Not Available (a century old) 38: Kangla Moats: Manipur: Imphal West: Others: 1652-1666 39: Tank System of Bundelkhand: Madhya Pradesh: Chhattarpur, Mahoba, Panna: Tank: Since early medieval period 40: Mandu (Malwa Plateau) System Of Water Collection in over 1200 tanks supporting the city: Madhya Pradesh: Dhar: Tank: 15th century ...
Most water in Earth's atmosphere and crust comes from saline seawater, while fresh water accounts for nearly 1% of the total. The vast bulk of the water on Earth is saline or salt water, with an average salinity of 35‰ (or 3.5%, roughly equivalent to 34 grams of salts in 1 kg of seawater), though this varies slightly according to the amount of runoff received from surrounding land.
There are 111 officially notified Inland National Waterways (NWs) in India identified for the purposes of inland water transport, [1] as per The National Waterways Act, 2016. Out of the 111 NWs, 106 were created in 2016. [2] The NW network covers around 20,275.5 km. NW-1, 2, & 3 are already operational.
The ocean plays a key role in the water cycle as it is the source of 86% of global evaporation. [2] The water cycle involves the exchange of energy, which leads to temperature changes. When water evaporates, it takes up energy from its surroundings and cools the environment. When it condenses, it releases energy and warms the environment.
The continuous occurrence of high intensity rainfall for a few days is the primary factor contributing to the extreme floods in the State. Other factors include wrong land use practices and mismanagement of the water resources and forests. The human interventions contributing to flood problems are predominantly in the form of reclamation of ...