impact of climate change on coastal agriculture
IMPACTS OF CLIMATE CHANGE ON COASTAL AGRICULTURE OF BANGLADESH
Introduction
Climate change (CC) is the most alarming issue facing the world today. The consequences of climate variability and climate change are potentially more significant for the poor in developing countries .The impact of climate change on agriculture will be huge and substantive. Coastal people are highly exposed to a range of natural hazards, from storms and cyclones to widespread flooding and coastal erosion.
Table: Potential Change of Climatic Variability
Year Mean Temperature Change (0C) Mean Rainfall Change(mm) Sea Level
Rise(cm)
Annual Dec, Jan, Feb June, July Aug Annual Dec, Jan, Feb June, July Aug Baseline Average 2030 1.0 1.1 0.8 +3.8 -1.2 +4.7 14
2050 1.4 1.6 1.1 +5.6 -1.7 +6.8 32
2.4 2.7 1.9 +9.7 -3.0 +11.8 88
Source: Agrawala et al 2003:IPCC2001, 2007
Objectives of the Study
To know the present scenarios of the climate change (CC) impacts on agricultural sector in the South-West coastal region of Bangladesh.
To identify the potential impacts of climate change (CC) on agricultural sector in the South-West coastal region of Bangladesh.
Floods
Flood affects agricultural production considerably. Prolonged floods would tend to delay Aman plantation, resulting in significant loss of potential Aman production. The flood in1988 caused reduction of agricultural production by some 45 percent. In 1998, Aman production potential of some 2 to 2.3 Mha could not be realized.
Figure: Crop damage (MT) due to historical flood
Source: Overview of Climate Change Impacts in Bangladesh: Consequences on Development, 2009
Cyclones-Storm Surges
In terms of CC, 1°C increase in sea surface temperatures could increase tropical cyclone intensity by 10 percent. Cyclones bring severe winds, storm surges, and flood that impact on lives, crops and property. Cyclone SIDR, on 15 November 2007, struck the South-West coastal region of Bangladesh and total
Introduction
Climate change (CC) is the most alarming issue facing the world today. The consequences of climate variability and climate change are potentially more significant for the poor in developing countries .The impact of climate change on agriculture will be huge and substantive. Coastal people are highly exposed to a range of natural hazards, from storms and cyclones to widespread flooding and coastal erosion.
Table: Potential Change of Climatic Variability
Year Mean Temperature Change (0C) Mean Rainfall Change(mm) Sea Level
Rise(cm)
Annual Dec, Jan, Feb June, July Aug Annual Dec, Jan, Feb June, July Aug Baseline Average 2030 1.0 1.1 0.8 +3.8 -1.2 +4.7 14
2050 1.4 1.6 1.1 +5.6 -1.7 +6.8 32
2.4 2.7 1.9 +9.7 -3.0 +11.8 88
Source: Agrawala et al 2003:IPCC2001, 2007
Objectives of the Study
To know the present scenarios of the climate change (CC) impacts on agricultural sector in the South-West coastal region of Bangladesh.
To identify the potential impacts of climate change (CC) on agricultural sector in the South-West coastal region of Bangladesh.
Floods
Flood affects agricultural production considerably. Prolonged floods would tend to delay Aman plantation, resulting in significant loss of potential Aman production. The flood in1988 caused reduction of agricultural production by some 45 percent. In 1998, Aman production potential of some 2 to 2.3 Mha could not be realized.
Figure: Crop damage (MT) due to historical flood
Source: Overview of Climate Change Impacts in Bangladesh: Consequences on Development, 2009
Cyclones-Storm Surges
In terms of CC, 1°C increase in sea surface temperatures could increase tropical cyclone intensity by 10 percent. Cyclones bring severe winds, storm surges, and flood that impact on lives, crops and property. Cyclone SIDR, on 15 November 2007, struck the South-West coastal region of Bangladesh and total