Order of the National Green Tribunal in the matter of Residents Welfare Association Savita Vihar Vs Irrigation & Flood Control Department & Others dated 28/05/2025. The applicant raised the grievance against throwing of construction debris and sewage obstruction in the Ghazipur drain. According to the applicant this drain flows behind …
In the Himalayan terrain, the Kosi river is formed by the confluence of seven smaller streams, viz. Indravati, Sun Kosi, Tama Kosi, Likhu Kosi, Dudh Kosi, Arun Kosi and Tamar Kosi at different places in China, Tibet and Nepal, before its entry into the Indian state of Bihar. The Kosi …
Multiple lines of evidence have shown that the isotopic composition and concentration of calcium in seawater have changed over the past 28 million years. A high-resolution, continuous seawater calcium isotope ratio curve from marine (pelagic) barite reveals distinct features in the evolution of the seawater calcium isotopic ratio suggesting changes …
The Kosi river in north Bihar plains, eastern India presents a challenge in terms of long and recurring flood hazard. Despite a long history of flood control management in the basin for more than 5 decades, the river continues to bring a lot of misery through extensive flooding. This paper …
The most important practical and critical problem related to the performance of reservoirs is the estimation of storage capacity loss due to sedimentation process. The problem to be addressed is to estimate the rate of sediment deposition and the period of time at which the sediment would interfere with the …
The recent Kosi megaflood, caused by a breach in the Kosi embankment in Nepal on August 18, 2008 and a sudden change in the course of the Kosi River, was one of the most significant and damaging flood events ever to hit Bihar. The Kosi disaster also ranks as one …
The recent Kosi floods have proved once again that inadequate control measures have been responsible for the recurring disasters. Typically flood control and riverine studies focus on hydrological information, whereas a much more integrated approach that pays attention to specific morphological factors is required. Since Kosi is a dynamic river …
A combination of short- and long-term measures that gives importance to both structural (traditional) means and non-structural techniques is required to solve the perennial flood problem in north Bihar.
The strategy of building embankments to constrain river flow and to prevent floods in north Bihar has proven to be questionable and flawed. Reliance on a dam-and-reservoir system for that purpose only offers limited protection and even greater risks of flooding in case of damage. Learning to cope with floods …
The recent Kosi floods have proved once again that inadequate control measures have been responsible for the recurring disasters. Typically flood control and riverine studies focus on hydrological information, whereas a much more integrated approach that pays attention to specific morphological factors is required. Since Kosi is a dynamic river …
Nature cannot offer services without payment anymore The dejected eyes of Kartar Chand Rana, 52, panned the breached checkdam in his village, Kuhan. As head of the gram vikas samiti he ordered the breaking of the embankment of the very dam that fed his half hectare land until last year. …
Canals are poorly maintained This is not the first time that Narmada canals have breached. In June this year, there was a major breach near Kadi in Mehsana, leading to the flooding of Sujaatpur village. This is the third breach in Kadi in four years. A kilometre away at Narsinhpura …
In a majestic release of bottled-up fury, the Kosi has swept across half of Bihar. The river has gone back to a course it once followed many years ago, inundating roadways and farmlands and leaving an estimated three million people homeless. None of the manmade structures meant to tame the …
Sediment deposition as a result of soil erosion is a significant problem in the village water tanks. In order to increase the rainwater storage capacity, removal of sediments from water tanks was taken up under the State Government Water Conservation Programme in Medak District, Andhra Pradesh, India. The feasibility of …
Can Bihar avert another Kosi disaster? On September 16, the Special Task Force constituted by the prime minister put a figure on the destruction caused by floods in Bihar
A perusal of environment impact assessments for hydel projects in Uttarakhand brings out various deficiencies in the reports, and the unstudied manner in which such projects have been embarked upon. That many more of such projects have been proposed points to the muddled direction adopted for energy supply, reminding us …
The processes that control climate in the tropics are poorly understood. We applied compound-specific hydrogen isotopes (D) and the TEX86 (tetraether index of 86 carbon atoms) temperature proxy to sediment cores from Lake Tanganyika to independently reconstruct precipitation and temperature variations during the past 60,000 years. Tanganyika temperatures follow Northern …
A considerable amount of research has focused on how and when the Tibetan plateau formed in the wake of tectonic convergence between India and Asia1. Although far less enquiry has addressed the controls on river incision into the plateau itself, widely accepted theory predicts that steep fluvial knick points (river …
