Arunachal Pradesh · Assam · brahmaputra · Floods

2012 Floods Displaced 6.9 Million in Northeast-IDMC: Staggering but Highly Exaggerated

According to a new report, the largest climate induced displacement in the world for the year 2012 happened

Cover of the IDMC Report on Disaster Induced Displacement
Cover of the IDMC Report on Disaster Induced Displacement

in two states of Northeast India, Assam and Arunachal Pradesh in June 2012 due to the monsoon floods which displaced 6.9 million people, constituting about 21.2% of the population of the two states[1]. This staggering fact was revealed in the report named “Global Estimates 2012 – People Displaced by Disasters” published by The Internal Displacement Monitoring Centre (IDMC) based in Geneva, Switzerland in May 2013. More people were displaced in India by natural disasters last year than in any other country, says the report. A closer scrutiny shows that the figure seems highly exaggerated, raising question mark over the accuracy of the work of IDMC and Norwegian Refugee Council (NRC), who jointly published the report.

IDMC is an international body monitoring internal displacement worldwide. This was established in 1998 by the NRC. IDMC defines displacement as a non volunteer nature of movement. People who are compelled to evacuate their homes in order to avoid the impacts or the threat of a disaster will come under this definition. But from this definition it is also clear that those people who are affected by any disaster but have not evacuated their place living will not be defined as displaced. IDMC states that majority of people who face displacement are internally displaced people (IDPs).[2]

Displacement by type of related hazard, 2012 and 2008-2012

Total displaced

Type of hazard

2012

2008-12

Flood

22,010,000

89,181,000

Storm/ Typhoon

9,603,100[3]

29,051,000

Earthquake(Seismic activity)

637,000

23,604,000

Extreme Cold

2,000

923,000

Landslide(wet)

47,000

577,000

Volcano

40,000

472,000

Wildfire

59,000

103,000

Landslide (dry)

200

3,200

Extreme Heat

1,700

1,700

TOTAL

32 400 000

143 900 000

This report states that in 2012, an estimated 32.4 million people in 82 countries were newly displaced by disasters associated with natural hazard events. Over five years from 2008 to 2012, around 144 million people were forced from their homes in 125 countries. The majority of this displacement (98% in 2012 and 83% over five years) occurred due to climate and weather related hazards which include floods, storm, etc.

Disaster-induced Displacement Worldwide in 2012  Source: http://idmcnrc.files.wordpress.com/2013/05/world-map-global-estimates-2012.jpg
Disaster-induced Displacement Worldwide in 2012
Source: http://idmcnrc.files.wordpress.com/2013/05/world-map-global-estimates-2012.jpg

In the year 2012, twenty disaster-induced displacement events were recorded, which were induced by flood and storm related disasters.  Out of these, fourteen happened in Asia which includes the mass displacement in India, China and Philippines. Large scale flood displacements also happened in African countries of Nigeria, Chad, Niger and South Sudan. In fact the Nigerian floods also displaced over six million people.  Hurricane Sandy brought the disaster for the west which rendered 775,000 people homeless in America and 343,000 people in Cuba.

Why Disaster Induced Displacements are Increasing The report says that related and interconnected global changes like population growth, rapid urbanisation and the exposure of vulnerable communities, homes and livelihoods to hazards will increase the risk of global disasters. Even though increasing use of life saving drugs have brought down mortality rate related with weather related hazards, number of disaster survivors getting displaced will not decrease.

Global Disaster-Induced Displacement  Source: http://www.nrc.no/?did=9675023
Global Disaster-Induced Displacement
Source: http://www.nrc.no/?did=9675023

The analysis done in the report shows that disaster induced displacement takes a toll on both high income and low income countries.  However, it is the middle and low income countries where majority of the people were displaced.  The report states that for the year 2012, 96.09% of disaster induced displacement happened in the middle and low income countries, whereas for the period of 2008-2012 it was 98.27%.  The report also identifies that the South Asia region had the highest disaster related displacement (36.4%) for the year 2012. From 2008 to 2012, the highest disaster induced displacements have happened in China (49,782,000) which is followed by India (23,775,000) and Pakistan (14,991,000).

Risk of the Unseen – Climate Change The impact of climate change on disaster induced displacement has been emphasized in the report. The report states that climate change is an important concern which will impact extreme weather events which could lead to more displacement. Intergovernmental Panel on Climate Change (IPCC) published a report in March 2012, Managing the Risks of Extreme Events and Disasters to Advance Climate Change Adaptation (SREX) in which relationship between extreme weather or climate events (“climate extremes”) and displacement has been acknowledged, “Although data on climate change-forced displacement is incomplete, it is clear that the many outcomes of climate change processes will be seen and felt as disasters by the affected populations. For people affected by disasters, subsequent displacement and resettlement often constitute a second disaster in their lives.”[4] Evidence suggests that climate extremes are becoming more and more unpredictable due to the impact of climate change which has changed the frequency and magnitude of these climate extremes. This could be very serious issue considering the impact climate extremes can have on displacement. The report however fails to point out that while high income countries have been responsible for the climate change to the greatest extent, the impacts of their emissions are being felt by the poorest people in the low income countries and middle income countries.

Displacement in Northeast The report says that that around 900,000 people were evacuated in Arunachal Pradesh in June-July 2012; two thirds of the state’s population. In Assam, the report says, quoting Central Water Commission that as many as six million, 20 per cent of the state’s population, were forced to flee by rising waters. It says, officials claimed the 2012 floods were the worst since 2004 when eight times more houses were recorded as damaged than in an average year.

Rainfall in June 2012 does not corroborate IDMC claims – Monsoon rain is the reason for the floods in June 2012. The table below presents the rainfall figures of Assam and Arunachal Pradesh during June 2012.

1-13 June 14-20 June 21-27 June 28 June – 4 July
Arunachal Pradesh 191.6 (+1%) 64.1 (-47.1%) 249 (+78%) 66.2 (-51%)
Assam & Meghalaya 189.4 (-3.5%) 123.7 (-9%) 251.8 (+105%) 65.2 (-51%)

Note: Rainfall in mm, figures in bracket indicate the % departure from Normal, all figures from weekly and seasonal rainfall maps of India Meteorological department.

It is clear from the above table that rainfall in June 2012 in Assam and Arunachal Pradesh was normal or below normal in all weeks except during June 21-27, 2012. Even the excess rain in this period is not too high to cause unprecedented flood displacement. This raises some doubt about the figures in the IDMC report.

Flood Effected Districts in Assam in 2012 Source: http://www.downtoearth.org.in/content/assam-arunachal-pradesh-face-worst-ever-floods-recorded-june
Flood Effected Districts in Assam in 2012
Source: http://www.downtoearth.org.in/content/assam-arunachal-pradesh-face-worst-ever-floods-recorded-june

Assam suffers annually from flood disasters. The havoc of floods paralyses the state for several months every year.  International recognition of this problem is very important for the state. However, that seems to be some significant exaggeration in the figure of displacement in NE India due to floods in June 2012.

The total population Arunachal Pradesh is 1,382,611 according to 2011 census[5] and displacement of 900,000 people would mean displacement of massive 65% population of the state. But we could not find any report or news confirming displacement of this huge extent. There was news about floods in several districts in Arunachal Pradesh in June and July 2012, but none corroborated the displacement figure of 900,000. In fact displacement of 65% population of Arunachal Pradesh due to floods have never been heard of for even the worst ever floods in the state.

For Assam, the flood in June 2012 was recorded as the worst floods in last ten years. The flood in June 2012 was termed as unprecedented by Dr. Partha Jyoti Das, a senior researcher working on flood and environment related issues in Assam. He said that the flood occurred quite earlier than the previous years, i.e. in the first few weeks of June.[6]  However we found it difficult to find any document corroborating the displacement figure of six million in Assam due to floods in June 2012.

On the National Disaster Management website of Government of India (http://ndmindia.nic.in/flood-2012/floods2012.htm) the highest number of people affected during the month of June and July was 1,992,727 (reported on 2nd July 2012). The highest number of people evacuated during this time was 383,421 (reported on 4th July 2012). The highest number of people found in the relief camps was 484,555 (reported on 15th July 2012). The Assam State Disaster Management Authority also corroborated this figure as the highest number of people reported in the relief camps during that period. Two tables providing extent of damage (cumulative figures) and rescue and relief (provisional) are given in Annexure1 and Annexure 2.

A mahout moves an elephant to higher ground as villagers paddle with their belongings through flood waters in the Pobitora Wildlife Sanctuary, some 55 km from Guwahati, the capital city of Assam, India on June 28, 2012. Source: http://photoblog.nbcnews.com/_news/2012/06/29/12478381-india-floods-displace-more-than-850000?lite
A mahout moves an elephant to higher ground as villagers paddle with their belongings through flood waters in the Pobitora Wildlife Sanctuary, some 55 km from Guwahati, the capital city of Assam, India on June 28, 2012.  Source: http://photoblog.nbcnews.com/_news/2012/06/29/12478381-india-floods-displace-more-than-850000?lite

Figures from Oxfam India, one of the leading organizations providing flood relief in the state also validated the fact that the flood in June 2012 was unprecedented early flood and worst in last ten years. They maintained that due to this flood nearly 2.4 million people have been affected and half a million people have been displaced.[7] The IDMC report also refers to the information gathered from Sphere India and Inter Agency Group (IAG). We found that in a Joint Assessment Report of IAG Assam on Assam Flood 2012 (published on 6th July, 2012) the number of affected people was stated as 2,391,369 in 4,540 villages. In the same report 383,421 inmates were reported to be staying in 650 relief camps in 15 districts of the state.

We had written to IDMC (at the email address idmc@nrc.ch as provided in the document for any further information and referred documents) on June 13, 2013, for copies of the documents referred in end note 11 and in table A2.1, and also request to “provide any other report that provides details and support for the figure of 6.9 million people displaced by flood disaster in North East India in June July 2012”. Our email remains unanswered as we write this.

Dr. Arupjyoti Saikia, an environment historian working on northeast after seeing the report said that “I have no accurate estimate of the people being displaced. But equally the estimate provided by the IDMC seems little awkward. The numbers of people affected in AP is surely less for very natural reasons. Often IDMC reports are criticized for their over-reaction. Official figures matter a lot as this numbers help in procuring relief from the GOI as well as other agencies. I presume GOA reports will come closer to the truth.” Dr. Dulal Chandra Goswami, another senior scholar from northeast, said that the displacement figures for northeast, quoted in the report appear to be highly exaggerated. Dr. Partha Jyoti Das also expressed similar opinions saying that the figures mentioned in the IDMC report for northeast are overestimated. Many reporters may accept the figures in such reports uncritically and report them, which lead to spreading of wrong information. This was evident from the reports published in Down to Earth[8] and Thomson Reuters Foundation[9].

Moreover, displacement in Assam is not only induced by floods but also by erosion. The report does mention “Shelter needs were a primary humanitarian concern as the authorities encouraged IDPs to leave relief camps and return to water-logged villages, destroyed houses and eroded land”.  But this is not completely correct as erosion leads to permanent displacement of people from their original land. Floods lead to inundation of a certain area for a period of time displacing people temporarily from their homes. But erosion displaces people permanently from their land. In displacements induced by floods the displaced people have the option of going back to their houses. Erosion leaves no option for that. People who get affected by erosion have to shift their homes before the actual erosion happens. In 2007 it was stated in the State Assembly that in 15 out of 23 districts in the state 40,414.98 bighas of land was lost due to erosion.  10,075 families have lost their houses due to erosion in that year. Many people who get displaced due to erosion opt to live on the side of the embankments in poor living conditions for years due to their inability to buy new land. They might not come to relief camp during floods which may result in their non-recognition in official displacement figures.

Such kind of reports also need to recognise clearly that among the disaster induced displacement, it is the poor people who are most at risk even in a fast growing country like India and climate change is making them even more vulnerable. Hence there is an urgent need to ensure that the climate action plans address the vulnerabilities of the poor. Unfortunately, Indian government’s National Action Plan on Climate Change (NAPCC) does not even recognise the vulnerable classes of people. In fact NAPCC increases the vulnerability of the poor, since it basically follows the business as usual development path.

This report by IDMC is an important initiative to document the plight of the people who face displacement due to the disasters. Recording and documentation of displacement is very important for policy formulation as well as for all related discussions and debates. The numbers presented are shocking but are clearly unsubstantiated and exaggerated. However exaggerated facts will also not lead to healthy policy formulation. Besides, factual inaccuracies may lead to questioning the credibility of such reports. We hope that IDMC will acknowledge these errors and bring more factual accuracy in their future reports. Such reports also need to highlight the issue of climate justice.

Parag Jyoti Saikia and Himanshu Thakkar
South Asia Network on Dams, Rivers & People (www.sandrp.in)

Email: ht.sandrp@gmail.com / meandering1800@gmail.com


Annexure 1: Extent of Damage (cumulative figures) (Provisional)

Name of States/

UTs

Date when updated

Population affected

 

No. of

human lives lost

No. of districts affected

No. of villages affected

No. of cattle/

Live- stock lost

Cropped area affected

(in ha)

No. of houses damaged

Fully Partially
15.06.12 13.06.2012 7 13 326
18.06.12 17.06.2012 66915 11 10 11783 07 02
28.06.12 27.06.2012 386762 14 19 23134.15 141 6592
02.07.12 01.07.2012 1992727 81 27 1564 657558.07
03.07.12 02.07.2012 1233970 95 27 1543 657558.07
04.07.12 03.07.2012 916801 104 27 1281 U/ Assesment
15.07.12 14.07.2012 2391369 125 30 4540 2.55
19.07.12 18.07.2012 2391369 126 30 4540 2.55 awaited awaited
24.07.12 23.07.2012 2391369 126 30 4540 2.55
31.07.12 23.07.2012 2391369 126 30 4540 0 2.55 0 0

Source: Flood Situation Report for June and July, 2012 available at http://ndmindia.nic.in/flood-2012/floods2012.htm

 

Annexure 2: Rescue and Relief (Provisional) 

Name of States/ UTs

Date when updated

No. of persons evacuated

No. of relief camps opened

No. of persons accommodated in the relief camps

15.06.2012

18.06.2012

17.06.2012

245

27

14100

28.06.2012

27.06.2012

24647

187

175750

02.07.2012

01.07.2012

370265

622

439548

03.07.2012

02.07.2012

370265

551

255677

04.07.2012

03.07.2012

383421

650

255677

15.07.2012

14.07.2012

383421

622

484555

24.07.2012

23.07.2012

383421

622

484555

31.07.2012

23.07.2012

383421

622

484555

Source: Flood Situation Report for June and July, 2012 available at http://ndmindia.nic.in/flood-2012/floods2012.htm


[2] As defined by the 1998  Guiding Principles on Internal Displacement, internally displaced people (IDPs) are individuals or groups of people “who have been forced or obliged to flee or to leave their homes or places of

habitual residence […] and who have not crossed an internationally recognised state border.”

[3] This figure is clearly gross error. The total Disaster induced displacement in 2012 by all types of hazards is 32.4 million, so storm related disaster cannot displace 95.7 million people. We have used a corrected figure in the table here, based on total displacement subtracted by displacement by other (than storm) factors.

[4] SREX, p.80. Citing Oliver-Smith, 2009

Assam · brahmaputra · Embankments · Floods

NDMA Commissioned IIT Roorkee Study on Brahmaputra River Erosion: A Biased and Structural Solution Oriented Report?

 

Image

Pic:  1  Erosion in Rohmoria in the Upstream of Dibrugarh. Source: The Assam Tribune

The National Disaster Management Authority (NDMA) has recently published a report named “Study of Brahmaputra River Erosion and Its Control”. NDMA had commissioned this study to the Department of Water Resources Development and Management of IIT Roorkee. NDMA is an apex body constituted under the Disaster Management Act, 2005 to prepare the country to face natural and human-made disasters. NDMA is headed by the Prime Minster of India. Under the natural disasters category it includes earthquake, flood, tsunami, land slide and avalanches while nuclear, chemical or biological disasters have been categorized as human-made disasters. This report provides a lot of information and data on the Brahmaputra and its tributaries. The information about erosion is also very much detailed and descriptive. The report can be found at http://ndma.gov.in/ndma/latestdisasterupdates/NDMA%20Final%20Report%20Brahmaputra%20River.pdf

Image

Pic:  2 Recent News Reports of Erosion in Subansiri River, One of the Largest Tributaries of Brahmaputra on the North Bank. Source: Dainik Janambhumi

ImagePic:  3 Houses on the side of the Old Embankment in Matmora. Source: Parag Jyoti Saikia

This reports deals with a very serious issue of erosion in the Brahmaputra river basin in Assam. Erosion should not be confused with floods even though both are annual phenomena in the Brahmaputra river basin. Erosion can be seen to have a more severe impact than floods because erosion leads to permanent loss of land and property. During floods land and houses are submerged for a period of time. But erosion displaces people from their land and property for good. Erosion inflicts severe damage to agriculture, economy and cultural relations of people. Erosion compels people to migrate to different places. Villages get eroded one after another and people living in those villages have to move to another location with their belongings. But this may not be possible and affordable for all those who lost their land in erosion. So for many of them, living on the side of embankments in very poor living conditions remains as the only option. Erosion also leads to migration of rural youths to urban areas in search of jobs. In the last few decades erosion has posed as a greater threat to the people of Assam than floods. The severity of erosion can be seen from the Table 7 of the report in which Satellite Based Estimation and Comparison of Area Eroded In Brahmaputra during the Period 1990 to 2007-08 and 1997 to 2007-08 have been presented.

Image

Map of the Study Area from the Report

The study divides the river length into twelve segments from Dhubri to Dibrugarh and that is why there are 12 reaches mentioned in the table.  It is clear from this table that the while the erosion prone length of the river is 10% higher along the South Bank of Brahmaputra compared to the same along North Bank. Areas facing erosion is 123% higher in South bank during the last decade (1998-2008) of the study period. The highest erosion area/per km of erosion prone bank is upstream of Dibrugarh, where the river enters the plains from the hills.

Areawise division into 12 reaches in the river

North Bank

South Bank

Total Erosion Length

(in km)

1990 to 2007 – 08 (in sq. km)

1997 to 2007-08 (in sq. km)

Total Erosion Length

(in km)

1990 to 2007 – 08 (in sq. km)

1997 to 2007-08 (in sq. km)

1. Dhubri

40.19

124.461

94.129

7.05

194.983

10.791

2. Goalpara

39.5

79.046

40.902

4.85

17.816

5.052

3. Palasbari

54.87

48.668

42.914

14.02

23.006

15.859

4. Guwahati

21.02

7.92

1.654

24.38

5.385

12.079

5. Morigaon – Mangaldai

6

35.606

2.138

47.91

96.979

103.7

6. Morigaon – Dihing

24.86

29.057

7.275

47.8

10.795

56.72

7. Tezpur

8.58

38.758

4.733

52.95

16.628

44.774

8. Tezpur-Gohpur

8.85

31.187

5.794

44.16

26.098

71.227

9. Majuli-Bessamora

24.69

25.562

12.327

47.17

32.788

28.998

10. Majuli Sibsagar

16.93

60.657

16.878

54.95

44.018

42.118

11. Dibrugarh

37.86

37.506

43.529

43.89

46.595

6.066

12. U/s Dibrugarh

70.5

20.376

55.454

57.54

399.529

333.416

Total

353.85

538.805

327.726

389.13

914.62

730.8


The Study Report:
There have been a lot of studies done on the river, to find a solution to the issue. But what comes as a surprise is the attempt to shy away with some of the crucial issues of the riverine eco-system in the northeast. But before going into crucial issues, a brief note about the report is provided.

The March 2012 study is divided into two phases. The first phase is named as ‘Sattelite Data Based Assessment of Stream Bank Erosion of Main Stem Brahmaputra and Its Major Tributaries’. In the second phase processing and analysis of the hydrological data of the Brahmaputra and its tributaries has been done.

In the first phase of the study information and data of 18 years (1990 to 2008) has been put together. The study pertains to a reach of 620 km on the main stem of Brahmaputra River, i.e., its entire course in Assam from upstream of Dibrugarh up to the town Dhubri near Bangladesh border.  23 major tributaries (13 northern and 10 southern) within India have also been considered. The data for this whole area was collected using an integrated mechanism of Remote Sensing and Geographical Information System.

In the second phase of the study a new method of analysis called Artificial Neural Networks (ANNs) has been used. The data processed through this analysis has been used for modeling the rainfall-runoff process and runoff-sediment process for the study area.

The report identifies inherent ‘sediment overloading’ of the river fluvial system as the main cause for river bank erosion vis-à-vis channel instability in Brahmaputra. The report recommends by proposing river training works for two pilot areas on Brahmaputra River. The first site is in Bhuragaon of Morigaon district and second one is near the Guwahati airport.

Critical issues:

The team of investigators for this study was led by Prof Nayan Sharma of the Department of Water Resources Development and Management at IIT Roorkee. This is a very descriptive report from the point of information and data about the river Brahmaputra and its tributaries. But even then there are several things that the report does not mention at all.

The report mentioned that inherent ‘sediment overloading’ as the prime cause for erosion in the river Brahmaputra. But another study named “River Bank Erosion and Restoration in the Brahmaputra River in India” has identified several other factors responsible for bank erosion.[1] That study states “The salient hydraulic and bank material factors responsible for bank erosion of the Brahmaputra system are i) rate of rise and fall of river water level, ii) number and position of major channel active during flood stage, iii) angle at which the thalweg approaches the bank line, iv) amount of scour and deposition that occurs during flood, v) variability of cohesive soil in bank material composition, vi) formation and movement of large bed forms, vii) intensity of bank slumping, and viii) progression of abandoned river courses to present-day channel.”

Identifying only ‘sediment overloading’ as the main reason for a dynamic river system like Brahmaputra seems an over simplification that overlooks the critical issues.

 Image

Pic:  4  A view of the Balijan Tea Estate Eroded by the Brahmaputra in Rohmoria in Dibrugarh district of Assam. Source: The Hindu

Even though the report identifies sediment overload as the prime cause of erosion, it has provided insufficient analysis as to why the sediment load is actually increasing in Brahmaputra. The report rightly states “Accelerated erosion has occurred in this region due to intensive deforestation, large – scale road construction, mining and cultivation on steep slopes.”

Pro Hydro Bias: Here the report completely ignores case of hydropower development in Arunachal Pradesh and its impact on Brahmaputra and its tributaries. The report nowhere mentions about the proposals for 168 hydroelectric dams in Arunachal Pradesh and its impact in the rivers in Assam. In the recent times, the state has witnessed mass protest against hydropower development in Arunachal Pradesh. In fact the report shows a pro-hydro bias when it laments that “less than 5% of the existing hydropower potential” have been put to use so far. At a time when people are demanding for cumulative impact assessment of dams on the rivers of Assam, reports like this attempt to create confusion among people. It is to be noted that when Assam was witnessing the mass protest against big dams, it was Dr. Nayan Sharma who appeared in the electronic media advocating for big dams.

Image

Pic:  5  Erosion protection work at Nimatighat on the Brahmaputra in Jorhat District on May 5th 2013.       Source: http://www.prokerala.com[2]  

Bias for Structural Intervention: This report advocates for structural intervention for flood protection and reiterates the need for more embankments. Lots of analysis has been done on the ill effects and poor performance of embankments. Embankments essentially transfer the problems to the downstream. There are ample examples of how structural interventions made for erosion protection have failed. We can take the example of Rohmoria, located in the upstream of Dibrugarh town in this regard. There were a series of structural interventions made to control erosion but it failed.[3]

The embankments proposed in this report for the two pilot-study areas are proposed to be constructed using geo synthetic bags. The geo-synthetic bags will be put inside polymer rope gabions[4] and installed in the critical toe of the bank line. The efficacy of controlling erosion through geo-tube embankments still not established, but even then geo-tubes have become the buzz-word for flood protection in Assam. The Asian Development Bank has offered a loan of $12 million for erosion protection through construction of geo-tube embankments. But Assam government engineers working on Brahmaputra and its tributaries are critical of ADB’s programme of erosion control through geo-tube. In a report published in regional news paper on March 2010, it was stated that revetments like geo-bags cannot be successful in Brahmaputra because it creates a permanent deep channel along the existing river bank.[5] The report also stated that geo-synthetic bags which were installed for bank protection in Palashbari-Gumi area were washed away by Brahmaputra. This area is in the downstream of Saraighat Bridge and close to Guwahati airport area where one of the pilot projects has been proposed.

Impact of Structural Interventions Ignored: The report provides structural solution for erosion control but ignores erosions which were a result of structural interventions in the river. Studies on Brahmaputra basin have shown that during and after the construction of bridges in the river Brahmputra erosion and floods have increased in the downstream areas.[6] In the case of Saraighat Bridge, unprecedented flood and erosion was witnessed in Palasbari and Gumi area. Morigaona and Nagaon districts suffered the same after the construction of Koliabhomora Bridge. Construction of Naranarayan Setu, led to flood and erosion in Dakshin Salmara, Pancharatna and Mancachar.

Similar fears have been expressed for the fourth bridge on Brahmaputra which is under construction between Bogibeel of Dibrugarh district and Kareng Chapori of Dhemaji district. The river is nearly 9 km wide at this point. But for the construction of this bridge, the river had been shrunk to almost 5 km through the boulder spurs. This is posing a great threat of flood and erosion for the downstream areas which include famous river island Majuli and Matmora, where India’s first geo-tube embankment was constructed. Engineers who are involved in the construction of the dykes of the fourth bridge had been reported saying that Matmora area would come under severe threat due to the increased river pressure in the area. The report completely ignores all these facts and shows ‘sediment overloading’ as the cause of erosion.

Besides, the study gives a feeling that erosion in the river Brahmaputra operates in ceteris paribus[7]. The report made no mention about climate change and how it is going to impact a river like Brahmaputra which is flowing right from the Himalayan mountain range. At a time when impacts of climate change are taken into account for every possible environment related matters, ignoring this is another major lacuna of this report.

These critical lacunas put a question mark over the usefulness of the otherwise informative study. Credibility of IIT Roorkee reports have been questioned in the past too.[8] NDMA may keep this in mind and focus on more basic issues. For starters as monsoon sets in and rounds of floods start along Brahmaputra, NDMA’s flood forecasting links have stopped functioning for five days as we publish this in the 1st week of June 2013.

 Parag Jyoti Saikia 

South Asia Network on Dams, Rivers & People (www.sandrp.in)

Email: meandering1800@gmail.com


[4] Gabions are sausages made of Polymer ropes that are appropriately woven by a special process to fabricate the Gabions in various sizes. Gabions are generally available in a prefabricated collapsible form. Images of polymer rope gabions can be found here – http://www.garwareropes.com/polymer_rope_pro_g.htm

[6] Mahanta, C; Mahanta, A., ‘Bridge over The Brahmaputra’ Economic and Political Weekly, pp 579-581, 2006

[7] Ceteris paribus is a Latin phrase which can be literally translated as “holding other things constant” and usually rendered in English as “all other things being equal”