A comprehensive flood-management
program should
revolve around improving flood-coping mechanisms and
flood-preparedness. Some key areas that must be
addressed in India include sustaining and improving natural systems’
ability to absorb
floodwaters; improving dam management, and instituting clearly defined
and transparent operating
rules that are stringently enforced; improving the maintenance of
existing flood infrastructure
rather than spending money on new dams and embankments; undertaking a
credible performance
appraisal of existing infrastructure in a participatory way, and
removing embankments that
are found to be ineffective; and producing transparent disaster
management plans intended to be
implemented in a participatory way. Perhaps most importantly, India
needs to assess the
potential impacts of climate change on rainfall and on the performance
of flood-related
infrastructure, and begin planning for the necessary adaptation to the
changing climate.
In addition, the two following programs, both of which are already
being tried in India, deserve much wider implementation:
River Basin friends: People-driven flood forecasting The River Basin
Friends is a people’s network of more than 300
organizations located in the Ganga-Brahmaputra-Meghna basin. Official
flood forecasting from the
central government is often insufficient to predict impacts at the
local level, and the information
cannot usually reach people in vulnerable locations. So River Basin
Friends began its own initiative
to commence an early flood warning mechanism which reaches people all
the way downstream in
Bangladesh. It has more than 1,000 members of different disciplines,
living in different parts
of the basin, each of whom helps circulate flood forecasting messages
from upstream locations to
downstream locations, using phones and email. People in the central hub
in Assam collect
information from different sources, and the peoples’ network in
upstream locations of the Brahmaputra basin
process and analyze it.
The final flood early warning messages are then formulated for
different vulnerable locations and disseminated to these locations.
This has been going on quite effectively at least for the last three
years. More in-depth study of this remarkable initiative needs to be
done, as it has the potential to
provide lessons for many other communities.
Groundwater Recharging to Manage Floods: The Central Ground Water Board
of the Government of India completed a study that estimates the
additional
groundwater resources that could be available by arresting the surplus
monsoon run-off and storing
in sub-surface aquifers. The salient features of the plan are:
« The estimated surplus
monsoon run-off in India's 20 river
basins is864.7 billion cubic meters (BCM). It would be possible to
create surplus potential storage of
59.06 million hectares by saturating the aquifer. Out of this storage,
it would be possible to
retrieve 436.4 BCM.
« However, on the basis of
the available surplus monsoon run-off,
which is not uniform in time and space, the ground water storage that
could be feasible has been
estimated as 214.2 BCM, of which about 160 BCM is considered
retrievable; and
« The above resource could be harnessed to create an irrigation
potential of 32 million hectares.2 Reduction of even a fraction of this
quantity of 214.2 BCM from the
rivers during floods would have tremendous impact on the floods
in the river basins. However, there has
been no attempt to realize this potential. The Government of India’s
Finance Minister in February
2007 proposed spending US$419 million on a new groundwater recharge
scheme. It remains to be
seen how the scheme will be formulated, how it would be implemented and
what is the impact. In conclusion, there is mounting evidence that
structural measures have
been largely ineffective in its claims of controlling floods, and in
fact, have worsened flooding
in many parts of the country.
Yet the state and national governments in India – with support by
international agencies like the
World Bank, the Asian Development Bank and the Japanese Bank for
International Cooperation – is pushing for more, not less of the same
structural solutions. The
opportunity provided by the report of the World Commission on Dams in
reviewing planning and
decision-making frameworks for large dams appears to have been
completely lost on India's water
managers. The people, however, are fighting against such measures in a
number of places. One
notable example is growing opposition to building embankments in Bihar.
The mounting
opposition to India’s River Linking Plans is another indication of this
trend. SANDRP has called
for a national, independent enquiry into the issue of flooding in India
during the 2006 monsoon,
especially with regards to sudden releases from dams. We are calling
for more transparency in dam
operations, and a review of operating procedures. We hope that public
pressure from these
various campaigns, along with the good example of initiatives like
people-centered flood forecasting
and groundwater recharge projects, will help lead India toward a more
sensible approach to
floods.
http://www.sandrp.in/floods/Dams_Embankments_and_Floods_June2007.pdf