Climate and Weather
Still reporting rainfall in inches and dam gauges in feet
Posted on 09 Jul, 2010 12:18 PMWe have adopted the metric system long back (1957) and there was a grace period of 10 years for transition from British units to metric units.
Systematic procedure for the computation of evaporation from lakes - A research report by National Institute of Hydrology
Posted on 08 Jul, 2010 10:49 PMThe report presents a systematic procedure for the computation of evaporation from lakes. Water balance of a lake depends upon the relative importance of various inputs and outputs to and from the lake. In Indian conditions, evaporation loss constitutes one of the major outputs from a lake and as such, the water regime of a lake and yield are influenced by it. In order to conserve and use the water, there is an urgent need for a first hand reasonable accurate estimate of its water balance.
Indian floods leave 50 people dead, almost half a million displaced - Nita Bhalla
Posted on 08 Jul, 2010 04:15 PMArticle Courtesy : Reuters AlertNet
Written by: Nita Bhalla
NEW DELHI (AlertNet) - Floods triggered by heavy monsoon rains have killed more than 50 people and displaced almost half a million more in India's south and northeast, say government officials.
Overflowing rivers and reservoirs have inundated low-lying villages mainly in India's oil and tea-rich state of Assam, but also on the opposite side of country in the southwestern coastal state of Kerala.
Flood-affected people sit in a damaged hut
as they wait for relief supplies in Lakhimpur
district, in India's northeastern state of Assam.
FILE PHOTO, July 2009. REUTERS/Stringer
According to the ministry of home affairs, almost one million people have been hit by the floods, forcing almost half a million to leave their water-logged villages and seek shelter in government relief camps.
Mountainous Assam, where five people have drowned, has been the worst-affected with 13 out of 27 districts hit by flooding, including Kokrajhar, Lakhimpur, Baksa and Bongaigaon.
Study of impact of wet and dry spells in rainfall records on the water availability estimates – A research report by National Institute of Hydrology
Posted on 07 Jul, 2010 07:38 PMThe report examines the effect of periodicity in the rainfall records on the water availability of Damanganga basin in Nasik and Thane districts of Maharashtra. Based on the rainfall-runoff record of a shorter period, runoff series for a longer period is developed using a water balance model. The per cent deviation in water availability estimations computed using short term wet and dry records from the complete records is examined. The effect of length of time-series on the water availability estimates is also studied.
Screening of the film- Mean Sea Level. Directed by Pradip Saha for CSE, Bangalore
Posted on 07 Jul, 2010 10:45 AMOrganizer: Pradip Saha
Topic: Screening of the film- Mean Sea Level. Directed by Pradip Saha for CSE
Venue: Alliance Francaise De Bangalore
Description:
Around 7500 Kms from the heart of the Intergovernmental Panel on Climate Change [IPCC] in Geneva or the United Nations Framework Convention on Climate Change [UNFCCC] secretariat in Bonn, Ghoramara and Sagar islands are going through their own testimony of climate change related phenomena.
Sensitivity analysis of melt runoff due to temperature and precipitation – A research report by National Institute of Hydrology
Posted on 06 Jul, 2010 11:36 PMThe study aims to assess the impacts of various climate scenarios on the hydrological response of the high altitude Spiti river in the Himalayas. The climatic scenarios were constructed on the basis of simulations of the Hamburg coupled atmosphere-ocean climate model for the study region.
Feasibility study of rainwater harvesting in semi-arid region – A research report by National Institute of Hydrology
Posted on 05 Jul, 2010 11:50 PMThe report gives an account of a feasibility study of rainwater harvesting in semi-arid regions. A review of water harvesting systems is followed by a section wherein numerical solutions for surface flow equations are explained.
Overland flow modeling for urban catchment considering random roughness coefficient and irregular land surface – A research report by National Institute of Hydrology
Posted on 05 Jul, 2010 11:32 PMIn this study, a two-dimensional overland flow model has been developed considering random roughness coefficients and irregular land surface for the analysis of surface flow component. The one-dimensional Richards equation for subsurface flow component has been used for calculating the infiltration from the pervious area.
Orissa, the first state to draft the Climate Action Plan
Posted on 02 Jul, 2010 04:42 PMOrissa becomes the first state in the country to have earned the distinction of having action plan on climate change. Following the National Action Plan of India started in 2008 the document of Orissa provides the action for the period of 2010-2015 having a budget of 17,000 crore.
Hydrological problems of India – A compilation of news items for the year 1997-98
Posted on 01 Jul, 2010 02:10 PMThis report is a compilation of the hydrological news in the print media in the country for the year 1997-98. The report is an attempt to put forth diverse hydrologic information and events reflecting the problems and indicate solutions for hydrologists, planners and water resource managers in particular. Five national newspapers like Hindustan Times, Indian Express and Hindu etc., have been referred to, for tracking the Indian hydrological events due to flood, drought, quality, demand supply and availability.