Rainfall and other forms of Precipitation

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Featured Articles
May 8, 2024
Ecosystem-based approach to water management: Key to Karnataka’s water future
What is the ecosystem based approach to water management? How can it help in solving the water woes of states in the Deccan Plateau?
An ecosystem based approach to water management (Image Source: India Water Portal)
January 25, 2024
Decoding the moody monsoon
This report by CEEW discusses the findings of a study on India’s first sub-district -level monsoon variability assessment to decode changing rainfall patterns across India during the southwest and northeast monsoon.
The moody monsoon (Image Source: Mayank Makhija via IWP Flickr photos)
August 16, 2023
Raindrops and Ripples
India Water Portal is hosting a photo competition on World Photography Day. Hurry, send us your photos before 31st August!
May 8, 2023
Adaptation and mitigation for monsoon extremes in the Indo Gangetic Plains
Warming will not only lead to a decline, but also trigger monsoon extremes in the Indo Gangetic Plains.
A woman wades through knee-deep water with her belongings. (Picture courtesy - 101Reporters) (Source: IWP Flickr photos)
May 4, 2023
The changing face of monsoon
Climate change is expected to have significant impacts on the Indian monsoon
As per the India Meteorological Department (IMD), instances of heavy rainfall have increased by almost 85% in the country since 2012 (Image: Marina, 2009,Wikimedia Commons)
April 4, 2023
Forests, water fountains of the skies
Forests greatly help in maintaining the water balance of nature by storing water during monsoons and making this water available during dry seasons. India urgently needs to save its forests to prevent droughts and the adverse effects of climate induced global warming.
Forests and soil moisture can act as buffers to store water during dry spells (Image Source: India Water Portal)
Proposal for groundwater recharge in National Capital Region - A report by SK Sharma and Green Systems
This study by SK Sharma and Green Systems, details the current situation of the National Capital Region (NCR) area, in terms of geohydrology, climate and water usage.
Green Systems
Sk Sharma
Posted on 22 Apr, 2011 11:53 AM

It also explains the various laws that have been put in place to increase groundwater replenishment.
Country to have normal monsoon this year - PIB release
The country will have normal monsoon this year. There is very low probability for season rainfall to be deficient (below 90% of LPA) or excess (above 110% of LPA).
Press Information Bureau
Posted on 21 Apr, 2011 03:21 PM

 Releasing Long Range Forecast for coming June to September period, Union Minister for Science and Technology and Earth Sciences, Shri Pawan Kumar Bansal said, “The rainfall for the country as a whole is most likely to be normal i.e. 96-104% of Long Period Average (LPA).  Quantitatively, monsoon season rainfall is likely to be 98% of the LPA with a model error of + 5%.
Heavy rains and dry lands don t mix: Reflections on the 2010 Pakistan flood - Article from NASA Earth Observatory
Each summer, monsoon rains soak India and Bangladesh. In nearby Pakistan, the rains are usually less intense, more intermittent, and centred in the northeast.
Michon Scott
Posted on 16 Apr, 2011 03:42 PM


Flooding forced millions of Pakistanis to flee their homes in July and August 2010.Flooding forced millions of Pakistanis to flee their homes in July and August 2010.

 

The summer of 2010 was different. In July and August, rain fell over most of Pakistan and persisted in some places for weeks.

Lingering floods in Pakistan - Updates from Earth Observatory
Monsoon rains fall on Pakistan every summer, but the summer of 2010 was extraordinary.
NASA
Posted on 15 Apr, 2011 09:49 AM

 

A combination of factors, including La Niña and a strange jet stream pattern, caused devastating floods. The Indus River rapidly rose, and a dam failure in Sindh Province sent part of the river down an alternate channel. The resulting floodwater lake lingered for months, leaving crops, roads, airports, even entire communities underwater.
Water turns the tide - A barren district of Rajasthan is seeing development, thanks to rains last year and floods in 2006
In 2010, this part of the Thar saw rains as never before. Rainfall was recorded 98 per cent more than the average of the past 50 years.
Ankur Paliwal
Posted on 12 Apr, 2011 11:31 AM

Article and Image Courtesy: Down To Earth
Author: 

A barren district of Rajasthan is seeing development, thanks to rains last year and flood in 2006.

Administration has revived a man-made pond in Nagarda village that was drying up (Photo: Sayantoni Palchoudhuri)Administration has revived a man-made pond in Nagarda village that was drying up.
Photo: Sayantoni Palchoudhuri

World Water Day in Kerala- Call to address issues of water security
Discussions were held by experts from various fields on the topic ‘Urban water issues in Kerala
Centre for Water Resources Development and Management (CWRDM)
Posted on 07 Apr, 2011 05:52 PM

Centre for Water Resources Development and Management (CWRDM) organised a panel discussion at Sasthra Bhavan on Saturday, 19th March 2011, in connection with the celebration of World Water Day which falls on March 22.

Review of Krishna Water Disputes Tribunal - A report on Krishna river water allocations
Recently, Justice Brijesh Kumar Tribunal (Krishna Water Disputes Tribunal - 2) has given the report allocating Krishna river water among the riparian states.
N. Sasidhar
Posted on 08 Mar, 2011 04:42 PM

This is a review of KWDT-2 report analysing how it has failed to protect the long term sustainable productivity and ecology of the river basin. It has also failed to understand the water allocations done by previous KWDT-1. KWDT-2 also negated the earlier KWDT-1 allocations at the same time categorically stating that it cannot change water use allocations of previous award.
Steps to create awareness about rainwater harvesting and encouragement to states for implementation of rainwater harvesting projects - PIB release
The Parliament has been informed that the mean annual rainfall is 1,170 mm with wide regional variation.
Press Information Bureau
Posted on 25 Feb, 2011 10:41 AM

 Giving this information in written reply to a question in the Lok Sabha on the average annual rainfall and rainwater harvesting, Shri Salman Khurshid, Minister of Water Resources, said that rain water is harvested through surface storages and recharge of ground water.The total storage capacity created through major and medium projects is around 225 BCM. The data on quantum of rainwater harvested through groundwater recharging is 433 BCM. Ministry of Water Resources does not maintain the data on quantum of water harvested due to manmade structures separately.It is estimated that the water utilized in 2010 is about 681 BCM.

Groundwater assessment using remote sensing data - A case study of the Bhadra river basin - Paper presented at the National Seminar on Water and Culture (2007)
This paper assesses groundwater balance using the water table fluctuation method.
G Ranganna
MV Jayaraman
Sameena
Posted on 13 Feb, 2011 11:21 PM

This method is a mathematical model, in which all the components in the water balance equation are known, and the only component which is considered unknown is the rainfall recharge.
Seasonal prediction of the Indian monsoon – An assessment using atmospheric general circulation models (AGCMs) - An article from Current Science
This article presents a project where prediction of Indian summer monsoon rainfall by five atmospheric general circulation models (AGCMs) during 1985–2004 was done.
J Srinivasan
Sulochana Gadgil
Posted on 13 Feb, 2011 03:57 PM

The project was a collaborative effort of the coordinators and scientists from the different modelling groups across the country. All the runs were made at the Centre for Development of Advanced Computing (CDAC) at Bangalore on the PARAM Padma supercomputing system.

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