Effective Groundwater Recharge Methods for Sustainable Water Management in India.pdf

Discover innovative groundwater recharge methods supported by India Water Portal. Learn how sustainable practices can enhance water conservation and management in India's diverse landscapes. Explore strategies and success stories that contribute to effective groundwater recharge. Click to Know More: https://www.indiawaterportal.org/articles/groundwater-recharge-needs-grassroots-solutions-study-two-techniques-kerala

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RECH
ARGE
RECH
ARGE

2. Types and Categories of
Groundwater Recharge Methods
Types and Categories of
Groundwater Recharge Methods
Infiltration: This is the process where water
on the Groundwater recharge methods
surface enters the soil. It occurs naturally
through precipitation, riverbank infiltration,
and from lakes and ponds.
Natural Recharge Methods

3. After infiltration, percolation is the process by
which water moves deeper into the soil,
eventually reaching the aquifers. Soil properties
and vegetation cover significantly influence
percolation rates.
PercolationPercolation

4. River and
Stream Inflow
River and
Stream Inflow
Rivers and streams can naturally
recharge aquifers as they flow over
permeable soil and rock formations. This
inflow is a crucial natural recharge
mechanism, especially in regions with
abundant surface water.
Excessive withdrawal
of groundwater for
agricultural,
industrial, and
domestic use is a
leading cause of
depletion.
Changes in
precipitation patterns
and increased
evaporation rates due
to global warming
contribute to reduced
Groundwater recharge
methods.
Climate
Change
Climate
Change
Over-
extraction
Over-
extraction

5. Artificial Recharge
Methods
Artificial Recharge
Methods
These are shallow pits filled
with porous materials like
gravel and sand, which
facilitate the percolation of
surface water into the
ground. They are commonly
used in areas with
impermeable surface layers.
These are deep wells
drilled into aquifers to
directly inject water.
They are effective in
areas where surface
infiltration is inadequate.
Large, shallow basins are
created to hold water,
allowing it to slowly
infiltrate into the ground.
They are used extensively
in agricultural regions.
Recharge Pits
Recharge
Wells
Spreading
Basins

6. Symptoms
and Signs of
Depleted
Groundwater
Symptoms
and Signs of
Depleted
Groundwater
A significant indicator of groundwater
depletion is a drop in the water table,
making it harder to access water for
various uses.

7. Dried-up WellsDried-up Wells
Wells that previously provided reliable water supplies
may go dry, indicating that the groundwater levels
have fallen below the well depth.
Reduced River Flows: Decreased base flow in rivers
and streams, often resulting in seasonal drying, is a
symptom of reduced groundwater contributions.

8. SAY NO TO SINGLE-
USE PLASTICS
CHOOSE REUSABLE
ALTERNATIVES
BUY PRODUCTS WITH
MINIMAL PACKAGING
Impact on
Agriculture
Reduced groundwater availability
can lead to decreased crop yields,
affecting food security and
livelihoods in agricultural
communities.

9. T
h a n k
You
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