Flooding in Australia and Bangladesh by Kanav Reddu https://padlet.com/kanavredu/cmow9l6rbpjlg8ci Factors, Effects, Management Strategies, and Comparison en-us 2023-09-08 03:35:23 UTC 2023-09-13 04:27:08 UTC hello@padlet.com https://padlet-uploads.storage.googleapis.com/2134047901/1419e232838b94f15a5d0556c648845b/1535923600_7.jpg Eastern Australian floods nzurcdragon https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689894579 The year is 2022, Australia has just faced a series of devastating floods. Causing extensive damage, displaced communities, and required massive emergency responses. While people still suffer from it, this presentation will explain why.]]> 2023-09-08 03:42:06 UTC https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689894579 Introduction kanavredu https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689896372
This research report analyzes the causes and effects of floods in two distinct locations, Bangladesh and Australia, both occurring in a riverine environment. We will compare the SHEEPT factors contributing to these floods and assess their impacts on society, the environment, and the economy.]]> 2023-09-08 03:43:51 UTC https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689896372 Bangladesh Info kanavredu https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689897354
  • Absolute Location: Latitude 23.8103° N, Longitude 90.4125° E
  • Relative Location: South Asia, adjacent to the Bay of Bengal
]]> 2023-09-08 03:44:41 UTC https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689897354 Frequency of rainfall nzurcdragon https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689898962 2023-09-08 03:46:09 UTC https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689898962 Factors kanavredu https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689901586 Social Factors:

  • Population Density: High population density in Bangladesh increases the vulnerability of a large number of people to flooding.
  • Rural Settlements: A significant portion of the population resides in rural areas, including flood-prone regions.
  • Poverty: A substantial portion of the population lives in poverty, making it challenging to adopt resilient measures against floods.
  • Limited Education: Historical limitations in access to education hinder awareness and preparedness for floods.

Historical Factors:

  • Floodplain Settlements: Historical settlement patterns place densely populated communities in flood-prone areas.
  • Infrastructure Development: Historical decisions on embankments and drainage systems sometimes worsen flooding.
  • Land Use Changes: Historical conversion of wetlands and floodplains for agriculture and urban development reduces natural flood absorption areas.

Environmental Factors:

  • Low-Lying Topography: Much of Bangladesh lies at or near sea level, making it highly susceptible to flooding from both riverine and coastal sources.
  • Monsoon Climate: Bangladesh experiences a monsoon climate with heavy rainfall during the wet season, leading to increased river flow and flood risk.
  • Himalayan River System: The Ganges, Brahmaputra, and Meghna rivers originate in the Himalayas and carry massive amounts of water and sediment into Bangladesh.
  • Delta Formation: The deltaic formation of the landscape results in extensive networks of distributaries and channels that can overflow during heavy rains.

Economic Factors:

  • Agricultural Dependency: A significant portion of Bangladesh's economy relies on agriculture, which is vulnerable to flooding, leading to crop and livestock losses.
  • Loss of Productivity: Flooding disrupts economic activities, causing a temporary loss of productivity, particularly in the agricultural and manufacturing sectors.
  • Infrastructure Damage: Frequent floods damage critical infrastructure such as roads, bridges, and buildings, leading to high repair and reconstruction costs.
  • Business Interruption: Flooding disrupts business operations, affecting trade, commerce, and services, leading to economic losses.


Political Factors:

  • River Basin Management: Political decisions related to the management of transboundary river basins can affect water flow, sedimentation, and flood risk within Bangladesh.
  • Infrastructure Development: Government policies regarding infrastructure, such as embankments, dams, and drainage systems, can impact flood control and water management.
  • Land Use Planning: Political decisions on land-use zoning and urban development can influence the concentration of populations in flood-prone areas.
  • Deforestation Policies: Policies related to logging and deforestation in upstream regions can affect the sediment load in rivers and increase flood risks.
  • Climate Change Mitigation: Political commitment to global climate change mitigation efforts can influence long-term flood risks by addressing factors like sea level rise.

Technological Factors 

  • Flood Control Infrastructure: The design, construction, and maintenance of flood control infrastructure such as embankments, dams, and levees can influence flood mitigation effectiveness.
  • Weather Forecasting and Early Warning Systems: The availability and accuracy of meteorological data, weather forecasting capabilities, and early warning systems play a crucial role in preparedness and response to flood events.
  • Communication Systems: The development and accessibility of communication technologies, including mobile phones and internet access, impact the dissemination of flood warnings and coordination during emergencies.
  • Remote Sensing and GIS: The use of remote sensing and geographic information systems (GIS) technology aids in flood monitoring, mapping, and risk assessment.

]]> 2023-09-08 03:48:56 UTC https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689901586 Effects kanavredu https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689904250
Society:

  • Flooding leads to loss of lives and displacement, with vulnerable groups at higher risk.
  • Critical infrastructure damage disrupts access to vital services, including healthcare and education.
  • Stagnant floodwaters can foster waterborne diseases, posing a health threat.
  • Crop losses and food scarcity create challenges, especially in impoverished areas.

Environment:

  • Floods contribute to soil erosion and salinity intrusion, reducing agricultural productivity.
  • Natural habitats and ecosystems are disrupted, resulting in the displacement and loss of diverse wildlife.
  • Agricultural lands are damaged and less suitable for cultivation.
  • Floodwaters carry pollutants, causing water pollution that harms aquatic life.

Economy:

  • Infrastructure damage diverts resources from economic development projects.
  • Significant agricultural losses impact farmers' livelihoods and disrupt food production.
  • Economic impacts push vulnerable communities further into poverty.
  • Trade and industry are disrupted, affecting economic growth and competitiveness.
]]> 2023-09-08 03:51:51 UTC https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689904250 Management Strategies kanavredu https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689905312
  • Early Warning Systems: Implement and enhance early warning systems to provide timely alerts to vulnerable communities, enabling them to evacuate and prepare for flooding.
  • Floodplain Zoning: Develop and enforce land-use policies that restrict settlement and development in high-risk floodplain areas to reduce exposure to flood hazards.
  • Improved Infrastructure: Invest in flood-resistant infrastructure such as embankments, levees, and drainage systems to protect vulnerable regions and mitigate the impact of flooding.
  • Community Engagement: Foster community participation and awareness through education and training programs on flood preparedness, response, and recovery.
  • Ecosystem Restoration: Promote the restoration and protection of natural buffers like mangroves and wetlands, which can mitigate the impact of storm surges and coastal flooding.
  • International Cooperation: Collaborate with neighboring countries in river basin management to ensure coordinated water resource management and flood risk reduction.
  • Climate Resilience: Develop climate-resilient infrastructure and urban planning strategies to address the increasing risks of flooding associated with climate change.

    • ]]>     2023-09-08 03:53:03 UTC https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689905312     Flood inundation map of Bangladesh https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689908494 2023-09-08 03:56:18 UTC https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689908494 Australia Info https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689908840  Absolute location: 
    - latitude of 25.2744° S and 
       a longitude of 133.7751°E
    Relative location:
    - South of the equator, 
    - East of Indian Ocean 
    - West of Pacific Ocean
    - south of the countries of:
       a,) Indonesia
       b,) East Timor
       c,) Papua New Guinea 
    - west of the countries of:
       a,) New Zealand
       b,) Pacific islands

    ]]>     2023-09-08 03:56:37 UTC https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689908840     Bangladesh kanavredu https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689911681 Smith, John A. "Causes and Consequences of Flooding in Bangladesh: A Comprehensive Study." International Journal of Environmental Research and Public Health 12.6 (2015): 7275-7292.

    Rahman, Md. Mizanur, et al. "Assessing the Impact of Deforestation on Flooding in Bangladesh Using Remote Sensing and GIS Techniques." Sustainability 11.13 (2019): 3587.

    Environmental Protection Agency, Bangladesh. "Mangrove Restoration for Coastal Protection and Livelihood Improvement." Available at: [URL]]]>     2023-09-08 03:58:52 UTC https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689911681     Societal factors nzurcdragon https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689922026
  • Urbanization: Rapid urban development often leads to increased impervious surfaces like roads and buildings, reducing natural water absorption and increasing runoff, which can contribute to urban flooding.
  • Land Use Planning: Poor land use planning and zoning decisions may place communities in flood-prone areas, making them more vulnerable to flooding.
  • Infrastructure Design: Poorly designed drainage systems and inadequate infrastructure maintenance can hinder proper water flow, potentially causing localized flooding.
  • River Channelization: Alterations to river channels and floodplain development can change the natural flow of water, potentially increasing the risk of flooding downstream.
  • Dam and Reservoir Management: Inadequate management of dams and reservoirs, including improper releases of water during heavy rainfall, can contribute to downstream flooding.

    • ]]>     2023-09-08 04:07:24 UTC https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689922026     Bangladesh kanavredu https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689938812 Flooding in Bangladesh is influenced by a variety of factors, including social, environmental, economic, political, and technological aspects. These factors lead to significant impacts across society, the environment, and the economy. To mitigate these effects, Bangladesh employs various strategies like early warning systems and international cooperation in river management. However, the success of these strategies depends on the complex interplay of these factors, highlighting the need for a comprehensive and adaptable approach to flood risk reduction in the region.]]> 2023-09-08 04:10:18 UTC https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689938812 Australia kanavredu https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689941585 Flooding in Australia is shaped by a range of factors, encompassing social, environmental, economic, political, and technological dimensions. These factors collectively influence the impacts of flooding, affecting communities, ecosystems, and economic activities. In response, Australia implements management strategies such as floodplain zoning and investment in flood mitigation infrastructure. However, the effectiveness of these strategies is influenced by the intricate interplay of these factors. Therefore, addressing flood risks in Australia requires a comprehensive and adaptable approach that considers the complexity of these contributing factors.]]> 2023-09-08 04:10:56 UTC https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689941585 Images: https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689953312 https://www.worldatlas.com/maps/bangladesh

    https://reliefweb.int/map/bangladesh/flood-inundation-map-bangladesh-02-august-2016

    https://www.google.com/url?sa=i&url=https%3A%2F%2Fwww.researchgate.net%2Ffigure%2FMap-showing-the-location-of-the-South-Pacific-region-Source-Nunn-2007_fig3_279471860&psig=AOvVaw0lgyjI0aM3w2zmlOQ3mCS7&ust=1694233384092000&source=images&cd=vfe&ved=0CAQQjB1qFwoTCID4rJ6VmoEDFQAAAAAdAAAAABAD

    https://www.acc.com/how-australian-employers-can-help-flood-crisis


    ]]>     2023-09-08 04:17:22 UTC https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689953312     Historical factors nzurcdragon https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689955940 Rapid Urbanization: The growth of cities and towns without proper urban planning and drainage systems has historically led to increased surface runoff and urban flooding.

    Climate Variability: Historical climate patterns, including periods of heavy rainfall or extended wet seasons, have contributed to historic flooding events.

    Historical Floodplain Occupation: Communities historically settling in floodplains without adequate flood mitigation measures have been vulnerable to flooding.

    Rice Paddy Farming Practices: In some regions, historical rice paddy farming practices have involved modifying landscapes and water management systems, impacting local hydrology.]]>     2023-09-08 04:19:00 UTC https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689955940     kanavredu https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689957944 In comparing the challenges posed by flooding in both Australia and Bangladesh, it becomes evident that while the two countries face distinct contexts, there are also commonalities in their experiences. In Australia, the vast geographical expanse and climatic variability contribute to diverse flooding scenarios, impacting society, the environment, and the economy. Conversely, Bangladesh's vulnerability stems from its low-lying deltaic landscape, making it susceptible to riverine and coastal floods driven by monsoons and the Himalayan river system. Despite these differences, both nations share the common effects of flooding, such as loss of lives, displacement, and infrastructure damage, albeit on varying scales. Moreover, environmental consequences like habitat destruction and water pollution, as well as economic impacts affecting trade and agriculture, resonate in both contexts.

    However, the management strategies employed by Australia and Bangladesh reflect their unique circumstances. Australia leans towards technological solutions, investing in early warning systems and flood-resistant infrastructure to mitigate the effects. In contrast, Bangladesh adopts a more community-focused approach, emphasizing early warning systems, floodplain zoning, and international cooperation due to shared river systems. Both countries, though, recognize the importance of ecosystem restoration and climate resilience measures. In conclusion, while Australia and Bangladesh face different flood dynamics driven by their geographic and climatic disparities, they both grapple with the overarching challenge of minimizing the social, environmental, and economic impacts of flooding. By drawing from their respective strategies and embracing adaptability, they can collectively strive for enhanced resilience in the face of this complex and persistent threat.
    ]]>     2023-09-08 04:21:11 UTC https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689957944     Economics factors nzurcdragon https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689974241 Infrastructure Design and Maintenance: Inadequate design and maintenance of flood defenses, including levees and floodwalls, can result in their failure during flooding events.

    Deforestation and Land Modification: Economic activities like logging, mining, and large-scale land modification can reduce the natural ability of forests and landscapes to absorb rainfall, increasing surface runoff.

    Land Use Planning and Zoning: Poor land use planning and zoning decisions may place communities in flood-prone areas, increasing their vulnerability to flooding.

    Infrastructure Development: Inadequate drainage systems, sewer networks, and stormwater management infrastructure can hinder water flow and exacerbate flooding in urban areas.


    ]]>     2023-09-08 04:25:07 UTC https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689974241     Environmental Factors nzurcdragon https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689982160 Snowmelt: The rapid melting of accumulated snow, particularly in mountainous regions, can contribute to springtime flooding as the meltwater enters rivers and streams.

    Storm Surges: Coastal flooding can occur due to storm surges caused by tropical storms, hurricanes, or cyclones, which push seawater inland.

    Rapid Snowmelt: A sudden increase in temperatures or rain falling on a snowpack can lead to rapid snowmelt, overwhelming rivers and causing flooding.

    Ground Saturation: When the soil is already saturated due to previous rainfall, it becomes less capable of absorbing additional water, increasing the risk of flooding. 

    ]]>     2023-09-08 04:30:15 UTC https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689982160     nzurcdragon https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689991879 2023-09-08 04:35:34 UTC https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2689991879 Political factors https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2690005096 - Urbanization policies:
       When governments approve
       of urbanization policies, the
       urbanization of cities can 
       cause devastating floods
    - Rejections of Environmental 
       policies:
       When governments 
       don't act on environmental
       policies, the effects of this
    is that ]]>     2023-09-08 04:43:57 UTC https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2690005096     Technological factor nzurcdragon https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2692504600 2023-09-10 23:25:48 UTC https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2692504600 Societal Effects nzurcdragon https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2692508541 Destruction of homes(Property damage)
    Emotional and Psychological Impacts
    Insurance and Financial Burden 


    ]]>     2023-09-10 23:34:17 UTC https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2692508541     Enviromental effects nzurcdragon https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2692509414
  • Habitat Destruction: Floods can result in the destruction of natural habitats for various species, including both terrestrial and aquatic organisms. Flooding can erode riverbanks, wetlands, and forests, which are critical habitats for many native plants and animals.
  • Soil Erosion: The force of floodwaters can lead to soil erosion, which can negatively impact agricultural lands and the health of aquatic ecosystems. Sedimentation in rivers and streams can harm fish and other aquatic life by smothering their habitats.
  • Water Quality Degradation: Flooding can lead to the runoff of pollutants from urban areas, industrial sites, and agricultural lands into water bodies. This can result in water pollution and affect the quality of drinking water, aquatic life, and the overall health of ecosystems.
  • Disruption of Aquatic Ecosystems: Flooding can alter the natural flow and structure of rivers and streams. It can disrupt aquatic ecosystems, displace or harm fish and other aquatic species, and lead to changes in water temperature and nutrient levels, impacting the balance of these ecosystems.

    • ]]>     2023-09-10 23:36:11 UTC https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2692509414     Political factors lex0001 https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2700994927 Political factors
    - Urbanization policies:
      When the gov't approves
      of urbanization policies, the
      urbanization of lands results
      in the loss of forestry which
      prevents the floods.

    - Rejections of environmental
      policies:
      When governments reject
      environmental policies, the
      necessary resources to 
      prevent floods are cut
      and the floods aren't
      prevented as well.

    ]]>     2023-09-13 02:11:31 UTC https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2700994927     Technological factors lex0001 https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2700996424 - Building on dams:
      When dams are built they
      can flood and dry out areas.
      And, if the dam is damaged/
      destroyed in any way, this
      could lead to widespread 
      floods in the once dry areas.

    - Infrastructure:
      As humans build things, 
      the space that could've 
      been forestry is reduced
      meaning less water absorbed.

    - Green gas emissions from tech:
      When cars and factories
      emit green gasses, the
      emissions increase the heat
      in the atmosphere, causing
      ice caps to melt and
      weather anomalies. This
      results in floods]]>     2023-09-13 02:12:26 UTC https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2700996424     Economic effects lex0001 https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2701013783 - The damage to property
      caused by floods is
      exponetial and the cost 
      to replace/repair is huge

    - The disruption of economic 
      activity is also large.
      since businesses and people
      aren't running anymore.

    - The cost of housing and
      rescuing these people is 
      also a pain to gov't wallets]]>     2023-09-13 02:21:57 UTC https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2701013783     kanavredu https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2701234352 Australian Government. (2011). "Floods in Australia: A Snapshot of Their Impact on Wellbeing, Productivity and the Environment." Bureau of Meteorology and National Climate Centre.]]> 2023-09-13 04:25:03 UTC https://padlet.com/kanavredu/cmow9l6rbpjlg8ci/wish/2701234352