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Field School: Sylhet Tectonics

Geohazards in Bangladesh - Fri, 03/07/2014 - 06:46
Eating breakfast at the Nazimgarh Resort.

Eating breakfast at the Nazimgarh Resort.

The drive from Tangail to Sylhet turned out to be grueling. We took a longer route that skirted Dhaka to avoid the traffic jams that people hit earlier in the week. Unfortunately, with the slower buses that route took 13 hours. We didn’t hit our lunch stop until 4:30 p.m., where Badrul and Ashraf had been waiting to join us for five hours.  It was dark by the time we drove past the first anticlines, and we didn’t get to the resort until 11 p.m.  We picked our roommates, got our rooms and had a very late dinner. Most field trips have a “death march” hiking a long way through forest, swamps, hills or deserts to get to a remote outcrop. We have a “death bus ride” instead.

View of the Shari River.

View of the Shari River.

The new resort where we were staying was tucked away in a corner of Bangladesh along the Shari River about a kilometer from the Indian border. With a cold pool and only slightly warmer not-hot tub, views of the woods and hills, this is by far the nicest place I’ve stayed in Bangladesh. Given the late arrival, we delayed the start of the classroom day by an hour.  The classroom was in a separate building closer to the river The first classroom day covered the stratigraphy and structure of the sediments and rocks we would see the next day. With lots of questions, the day ran late.

We started early and argued over an outcrop on the driveway of the resort. We continued down to the Shari River, where I had previously visited the geology by boat. Numerous

Riding Johnny the elephant.

Riding Johnny the elephant.

country boats were mining and transporting sand from the river. We worked along the shore, climbing over and visiting outcrops.  The beds dipped steeply into the ground, folded by the tectonics, but also provided evidence that a large braided river used to flow here. One possibility is that it was the Brahmaputra from a time before the uplift of the 2 km-high Shillong block pushed it 200 miles to the west. Eventually, we could not go farther along the river. We took an inland path farther north, but when we rejoined the shore, we were blocked again. A short time later, after a conversation with the Bangladeshi border guards stationed here, they flagged us a passing boat. It ferried us across the river, but not before

Badrul explaining the significance of the rock outcrop.

Badrul explaining the significance of the rock outcrop.

several on our party practiced their cliff jumping technique.

After spending some time on an outcrop where we were filmed last year, we took an inland path. Along the way we met Johnny the elephant, and a few groups of students got elephant rides. We continued past tea gardens and rice paddies and finally emerged to a large outcrop of shallow marine sediments along the river. At this earlier time, the coastline was north of us, and the delta was prograding to the south as a result of all the sediments eroding from the Himalayas. The younger river sediments we had seen earlier had been deposited after the coast had pushed past here. We stopped for lunch, looking across the river at the India-Bangladesh border and a pile of watermelons waiting for a

Overview of where the Dauki River exits the Shillong Plateau and enters Banglaedsh.

Overview of where the Dauki River exits the Shillong Plateau and enters Bangladesh.

boat to take them downstream. Two students swam across and purchased two for dessert. Then Badrul flagged down a large boat to taxi us downstream back to where we started.

After a few geology stops along the way, we reached Jaflong.  At this site, there is a mixture of mining of sands and gravels from the river, and tourists looking to view the massive Shillong uplift in India. We stopped at an overlook near our GPS and seismology stations. Then a group of us descended to some outcrops and the chance to join the tourists at the international border. The river had shifted a little since I last was here, and now the best viewing site was officially in India. The Indian and Bangladeshi border guard let us and everyone else cross the

Standing in India by the Dauki River and Shillong Plateau at Jaflong..

Standing in India by the Dauki River and Shillong Plateau at Jaflong.

border to the little spit of land for a better view. Many photos later, we walked back to the buses and returned to the resort. Dinner was delayed and about half of us took the opportunity for a dip in the freezing pool to rinse off the sweat and grime.

Our final classroom day conversation included multiple aspects of the interaction of the rivers and the tectonics that our project focuses on. We ended with several students presenting their research from places across the globe. The last item was a group photo close to the Shari River. The last field day took us farther southwest to Sylhet City itself. The Cricket Stadium is surrounded by outcrops that we walked around, passing a pet monkey as well.  After lunch at the stadium and a peek inside, we had to make a decision. There was not enough time for

Celine wading through a river to get to better outcrop.

Celine wading through a river to get to better outcrop.

both the outcrops at the airport and shopping in Sylhet. The group split, and each bus went to one of the sites. I chose the outcrop. The river sediments at the airport were clearly different from the stadium and showed that the sediments were deposited while the 80m-high Sylhet anticline was growing.  They were muddier where the anticline was tilting the land northwards, and sandier with gravels on the other side of the anticline where the southward tilting had steepened the river.  We headed back, stopping to at least buy some tea from the region. However, we got back too late to hold the bus vs. bus cricket match. Just some practice would have to do, until the BBQ that evening.

Jim Best examining the outcrop near the airport.

Jim Best examining the outcrop near the airport.

The pet monkey we saw near the cricket stadium.

The pet monkey we saw near the cricket stadium.

Rebecca and Nichole in the saris they purchased.

Rebecca and Nichole in the saris they purchased.

A Climate Analyst Clarifies the Science Behind California's Water Woes - New York Times Dot Earth

Featured News - Thu, 03/06/2014 - 12:00
NOAA scientist Martin Hoerling echoes Lamont climate scientist Richard Seager's view that California's ongoing drought is due to natural climate variation and not global warming.

Sixty-eight Million Ton Landslide in Alaska - Anchorage Daily News

Featured News - Thu, 03/06/2014 - 12:00
New pictures and information about the Alaska landslide discovered by Lamont's Colin Stark, Goran Ekstrom and Clement Hibert.

Laying the groundwork

Sugar - Wed, 03/05/2014 - 22:56

We have just arrived in sunny Americus, GA from the cold north to ramp up for the SUGAR project. The peaceful, pastoral landscapes of southern Georgia mask geological structures created by a series of dramatic events that were central to the formation of the North American continent.  During SUGAR, we will use sound waves to image these geological structures.   Less than 2 weeks from now, we’ll deploy 1200 small seismographs along a 200-mile-long line that extends from north of Columbus to south of Valdosta with the help of a cadre of students from across Georgia and beyond. These instruments will record sound waves generated by a series of controlled blasts in deep drill holes.
Spanish moss lined trees along our transect south of ValdostaCollecting these data will involve a week of intense work by >30 people. However, just laying the groundwork for this effort has already required a long list of (sometimes novel) tasks.  When we conceived of this project, we drew a couple of straight lines on a map that would enable us to capture the geological features that we wish to study: the South Georgia Basin, the Suwanne Suture, and frozen magmas from the huge Central Atlantic Magmatic Province.  In reality, we must create this line by knitting together a patchwork of roads.  During a couple of planning trips, we bumped along on dirt roads, cruised county lanes, and zoomed down state highways mapping out the best route. 
Dan and Steve scouting our route. Our seismometers will line county and state roads across southwestern Georgia, and both seismometers and seismic sources will cross private properties. Identifying private landowners to request permission has transformed us into detectives. In most cases, the name and address of the owner are easily found on the tax assessor's website for each county.  But actually getting in touch with people is not so easy! We mailed letters. We put flyers directly into people’s mailboxes. We searched for phone numbers online and left messages (sometimes multiple messages…). We found websites and email addresses for companies, and sometimes wrote to people about our project through website forms (including those for a bank, a dentist's office and a website selling organic beef!).  Happily, once we made contact, individuals and companies have been very welcoming and graciously granted us permission – southern hospitality in action!  A litany of other preparations have already been completed or are currently underway. Drilling of the holes for seismic sources has just begun, and the seismometers will arrive very soon. We are definitely ready for the transition from preparing to doing....  
Donna Shillington
5 March 2014

If No One's around to See a Landslide, Does It Make a Noise? You Bet. - (Juneau, Alaska) Capital City Weekly

Featured News - Wed, 03/05/2014 - 12:00
The massive landslide in Alaska's Glacier Bay National Park discovered by Lamont's Colin Stark, Goran Ekstrom and Clement Hibert discussed.

Imagining, and Measuring, the Unimaginable - Oculus

Featured News - Wed, 03/05/2014 - 12:00
Lamont's Klaus Jacob speaks at the Center for Architecture about earthquake risk in New York City.

Finding New Worlds in New York City’s Old Snow Piles - New York Times

Featured News - Tue, 03/04/2014 - 12:00
Lamont's Kirsty Tinto takes a saw to a New York City snow pile to see what can be learned about recent weather patterns.

Field School: The Brahmaputra River

Geohazards in Bangladesh - Mon, 03/03/2014 - 23:29
With our students all finally arrived, we started the classroom component to provide the background on the geology of Bangladesh.

With our students all finally arrived, we started the classroom component to provide the background on the geology of Bangladesh.

It has been an incredibly busy week. We have had between 42 and 48 people here for the field school, including 35 students and 12 instructors (seven to 10 at a time). The first day was very light for the jet-lagged students, just a short introduction to the field school and some background, and then introductions all around as we started to get to know each other. The final group of nine students finally arrived around 9 p.m. They were the most worn-out, bedraggled bunch of travelers I have ever seen.

After a good night’s sleep we started on the first classroom day. Our full five days near the Brahmaputra River would focus on the river processes and the stratigraphy they produce. We stopped the lectures at 4 and all piled into the bus

We rented country boats to get a view of the embankment at Sirajganj from the Brahmaputra River

We rented country boats to get a view of the embankment at Sirajganj from the Brahmaputra River

to see the embankment built to protect the city of Sirajganj from the westward migrating river. As is often the case in the dry season, they were repairing the embankments from last summer’s collapses. We rented two country boats and sailed along the embankment and walked back to the buses on the top of it. It is an impressive structure, but in need of continual repair to keep up with the river.

The next two days were spent on the river and its mobile islands, called chars. Setting up the equipment for the river surveying was hampered by a lack of power for drilling holes. A Bangladeshi drill and bow solved the problem, but not before rearranging the schedule. On the first day we all visited the char near the 5 km

One of the students collecting a sample for OSL dating for her research while we visited  the char on the Brahmaputra River.

One of the students collecting a sample for OSL dating for her research while we visited the char on the Brahmaputra River.

Bangabandu Bridge over the river. We spent the day viewing sedimentary structures and seeing the villages on this island that is almost entirely underwater during the monsoon. For the second day, we had to split the group. One contingent joined Jim Best as we surveyed the river with an ADCP, which measures water velocities from the top to the bottom of the river, and a sidescan that provides images of the bottom on either side of the boat using sound. The other, yielding to student requests, went to Tangail, the nearest city, for shopping. When everyone returned, we held a cricket match, with most Americans learning the rules on the fly. We finished the five overs per side as darkness fell.

We went back to the classroom the next day for more lectures on remote sensing of changes on the delta, stratigraphy,

A group of students measure magnetic susceptibility of well samples that were collected the day before. The measurements help distinguish whether the sediments were deposited by the Brahmaputra or other rivers.

A group of students measure magnetic susceptibility of well samples that were collected the day before. The measurements help distinguish whether the sediments were deposited by the Brahmaputra or other rivers.

subsidence and arsenic contamination. The hands-on experience was analysis of two sets of well samples that had been drilled the days before. Everyone had a chance to describe the samples, measure magnetic susceptibility and use a portable XRF machine to measure chemistry. We have found that magnetic susceptibility and strontium content are a good way to characterize whether sediments have come from the Brahmaputra River or not.

Finally, our last field day here was doing a resistivity imaging survey over the two bore holes and across the boundary between the Brahmaputra floodplain and the upland strata of the Madhupur tract. Generations have debated whether the transition is a fault contact or not. We would collect some data to try to answer the question. The students also got

One of the Bangladeshi students checks the resistivity meter during the experiment while a local resident looks on.

One of the Bangladeshi students checks the resistivity meter during the experiment while a local resident looks on.

to visit another tube well being drilled. Tube wells, drilled primarily for drinking water, is a local drilling method whereby a team of a handful of people can drill a 100m well in a day by hand. After everyone helped set up the 750m long resistivity line, most of the American students went to see the tube well drilling. The Bangladeshis, who have all seen tube well drilling, stayed with me to help run the resistivity line. As it turns out, Liz Chamberlain was pulled into a local villager’s home to have her hands tattooed with henna by a woman and her daughters. She missed the tube well drilling, but gained an exciting personal experience. It was also the first time the students were in a Bangladeshi village. We were the center of attention and many photos were snapped by both sides. We gathered up the resistivity equipment and then had informal student

Sunset over the  Brahmaputra River as we prepare to depart the region for NE Bangladesh.

Sunset over the Brahmaputra River as we prepare to depart the region for NE Bangladesh.

presentations before the final night barbeque. We had successfully completed the first half of the course, and all the students (and instructors) were bonding.

El Niño May Return Late this Year, Experts Say - Los Angeles Times

Featured News - Sun, 03/02/2014 - 12:00
Lamont's Richard Seager and the IRI's Tony Barnston comment on the odds of an El Nino event developing this year in the tropical Pacific.

As quakes rise, Texas still seeking answers - Fort Worth Star Telegram

Featured News - Sat, 03/01/2014 - 12:00
Seismographs installed by Lamont-Doherty scientists near Youngstown, Ohio, in 2011 linked a string of earthquakes to wells used for disposal of waste fracking fluid.

Some of Earth's Biggest Landslides Are Surprisingly Hard to Find - Wired Science

Featured News - Fri, 02/28/2014 - 12:00
Describes detection of remote landslide in Alaska by Lamont's Colin Stark, Goran Ekstrom and Clement Hibert.

Solar Heartbeat

Geopoetry - Fri, 02/28/2014 - 08:00
 from Charboneau and Smolarkiewicz, Science 2013

Image: from Charboneau and Smolarkiewicz, Science 2013

 

Upon our little spinning rock,
Cosmic rays and debris knock.
Through great fields and waves we race,
Not empty, our broad path through space!
We’re touched, long fingers from afar:
Energy from our bright star.
A fusing, roiling dynamo,
Magnetic fields induced by flow.
Eleven circuits round our wheel,
Her heartbeat’s pulses we can feel.
In search of answers, models run,
Probing rhythms of the sun.

________________________________________________

Further reading: Modeling the Solar Dynamo, Science 2013

This is one in a series of poems based on science news, written by Katherine Allen, a researcher in geochemistry and paleoclimate at the Lamont-Doherty Earth Observatory. First posted 4/5/13 on Allen’s website.

Tangail and the Start of the Field School

Geohazards in Bangladesh - Wed, 02/26/2014 - 11:21
The Shahid Minar in Dhaka, the monument to language day on the site of the killings.  There are many smaller copies around Bangladesh.  On Language Day, they are covered by wreaths of flowers placed by everyone from politicians to school children.

The Shahid Minar in Dhaka, the monument to Language Day on the site of the killings. There are many smaller copies around Bangladesh. On Language Day, they are covered by wreaths of flowers placed by everyone from politicians to school children.

Feb. 21 is Language Day in Bangladesh. It is a holiday, now adopted by the UN as International Mother Language Day. It commemorates a day in 1952 when a crowd of Bengali students protesting Pakistan’s adoption of “Urdu and only Urdu as the official language of Pakistan” were fired upon by the police. It marks the beginning of the move towards the independence of East Pakistan, the future Bangladesh, from Pakistan. It is a time of plays, book fairs and poetry reading celebrating the Bengali/Bangla language. There are also laying of flower wreaths at the Shahid Minar, the monument where the killings occurred near Dhaka University, and many smaller copies throughout the country.

For us, it was a travel day. A long eight-hour drive from Khulna in SW Bangladesh across the Ganges River and the Jamuna River, as this section of the Brahmaputra is known, to our home for the next week. The eight of us in our

We examined the roof for the GPS.  It would be a good site, but the columns were unfinished rebar rods.  We would have to wait until they were finished.

We examined the roof for the GPS. It would be a good site, but the columns were unfinished rebar rods. We would have to wait until they were finished.

party left the Bawali in two vans, stopped to pickup equipment, and settled in for a long uneventful drive, or as uneventful as driving in Bangladesh can be.

The next day my group went to Mawlana Bhashani Science and Technology University to try to install a new GPS. After various meetings and cups of tea, we explored the rooftops looking for the perfect site for the antenna. Unfortunately, the building we were in was not quite finished. It was a good site, except the columns on the roof were still a mass of rebar and the concrete was yet to be poured. More meetings, coffee, sweet desserts, and we checked out other roofs. Many buildings at the relatively new university are unfinished. The older finished ones are lower and the clear view of the sky we need is blocked by trees. The

Meeting the the Vice Chancellor of the University (left) and the Dean who helped us with arrangements

Meeting the the Vice Chancellor of the University (left) and the Dean who helped us with arrangements.

first roof was the best choice, but would not be ready for three months. The best we could do was to set up the GPS box and leave all the equipment there. Humayun will come and finish the job in May. Without the installation work, we continued to meet people and have tea, lunch and more tea. We finally left around 4. Time to go back to the Elenga Resort, where we were staying, and prepare for the arrival of students for the Field School.

Our NSF grant from the PIRE (Partnerships for International Research and Education) has a large emphasis on providing American students with international research experience. One of the things we proposed was a two-week Field School in Bangladesh. We have 15 U.S. students, 15

Our first set of American students pose in front of the Martyr's Memorial from the 1971 War of Independence.

Our first set of American students pose in front of the Martyr’s Memorial from the 1971 War of Independence.

Bangladeshi, a few other invitees (France, Singapore, India) plus the scientists and students from our project and our advisory board. Most were scheduled to arrive on Sunday. During the day, I started receiving messages about delayed and cancelled flights. My nightmare scenario was arrivals scattered over several days with no way to know where or when. Most of the delays were absorbed by the long layovers at JFK and O’Hare, where experienced Bangladesh hands would lead them to the promised Field School.  Our travel agent shifted one of the cancellations to another flight.Then I learned that Steve Goodbred, leader of the JFK troop, had his flight cancelled and would fly a day later. Mike Howe, a grad student with one trip to Bangladesh, was in charge. Worse, the flight was delayed and could miss its connection in

The American and Bangladeshi students, along with our instructors get to know each other on the bus as we transition from metropolitan traffic to driving by green rice fields.

The American and Bangladeshi students, along with our instructors, get to know each other on the bus as we transition from metropolitan traffic to driving by green rice fields.

Abu Dhabi. One student was MIA. I stayed up late to follow the flight and, yes, it missed the connection. I went to bed thinking that most of the U.S. students would be a day late.

I awoke early to find that they had been rebooked through Delhi and would arrive late afternoon. Better still, I learned that the missing student had been rebooked to the Chicago route. Then Humayun called and asked if I was meeting the on-time group for breakfast. I rushed out and Babu drove Chris and myself to the Parjatan restaurant across from the Martyr’s memorial. We got there just after they did. We had breakfast and then dodged traffic to cross the street to the memorial. While there, the Dhaka University contingent arrived for breakfast and we joined them. The Field School was on. Three-quarters of the people had arrived; most of the rest would be here by dinner. Only Steve and Ryan would be a day late.

NY State Expects All Utilities to Prep for Climate Change - Climate Central

Featured News - Tue, 02/25/2014 - 12:00
Lamont's Klaus Jacob comments on a new measure encouraging utilities in New York state to prepare for the warmer temperatures and greater risk of flooding expected under climate change.

Study Links Temperature to a Peruvian Glacier’s Growth and Retreat - New York Times

Featured News - Tue, 02/25/2014 - 12:00
Lamont's Aaron Putnam comments on new results showing that warmer temperatures, more than reduced snowfall, are responsible for the spectacular retreat of tropical glaciers in recent centuries.

Huge Landslide Photographed in Alaska - LiveScience

Featured News - Tue, 02/25/2014 - 09:02
New images confirm the location of a landslide detected by Lamont geophysicists Colin Stark and Goran Ekstrom last week in southeastern Alaska.

Shag, Before It Was Cool

Geopoetry - Fri, 02/21/2014 - 14:20
woolly rhino

Science, 2011

More cuddly than a dino,
The Zanda woolly rhino!
This pioneer of old
Grew shag before the cold.
The high Tibet plateau
Was higher then, you know!
And when the ice expanded,
(with you I will be candid):
They did some procreation
And made a woolly nation!
We still have some Tibetan yak …
But I want that rhino back!

________________________________________________

Further reading: Out of Tibet: Pliocene Woolly Rhino Suggests High-Plateau Origin of Ice Age Megaherbivores, Tao Deng et al., Science 2011

This is one in a series of poems based on science news, written by Katherine Allen, a researcher in geochemistry and paleoclimate at the Lamont-Doherty Earth Observatory. First posted 9/2/11 on Allen’s website.

Atlantic Current Can Shut Down for Centuries, Disrupting Climate - Science

Featured News - Fri, 02/21/2014 - 12:00
Lamont's Jerry McManus comments on new results suggesting that overturning currents in the North Atlantic slowed or even stopped during a warm period 100,000 years ago.

Antarctic Glacier Thinned As Rapidly in the Past - Climate Wire

Featured News - Fri, 02/21/2014 - 11:34
West Antarctica's Pine Island Glacier may continue thinning at a high rate based on new results of the glacier's past behavior published in Science by Lamont geochemist Joerg Schaefer and colleagues.

GPS in Khulna and the Hidden Temple

Geohazards in Bangladesh - Fri, 02/21/2014 - 04:27
Allan walking on the embankment, or polder.  The land on the river side (left) is about a meter higher than on the inside of the polder.

Allan walking on the embankment, or polder. The land on the river side (left) is about a meter higher than on the inside of the polder (right).

When we got cell phone signal back, we found things did not go according to plan. Scott’s flight had a medical emergency that required a stop in London, so he missed his connection. So did the GPS box, so they both arrived the morning of the 18th.  He was not in Khulna already working. He wasn’t working on the compaction site. Between the flight delays and the ship delays, we had lost a day.

Since I couldn’t meet Scott, it was best for me to go to Polder 32 to check on the GPS there. However, not knowing the situation, we had sailed up the wrong channel. We wouldn’t get to the Polder 32 site until the afternoon. Polder is a Dutch term for an embankment. They have been built around much of the land in coastal Bangladesh to protect it from flooding from the brackish water and

Soyee with some of the local women and their water jugs on Polder 32.

Soyee with some of the local women and their water jugs on Polder 32.

improve farming. An unexpected side effect is that the protected land inside the polder, with no flooding or sediments, has sunk by over a meter. It is lower than the land outside the wall and lower than high tide. When Cyclone Aila hit the area in 2009, it breached the polder and the island was flooded for almost two years. We are studying both the physical environment and the human impact. My part is measuring the subsidence with GPS. The receiver here has a modem so the data can be collected by phone, but it hasn’t worked since Jan. 1. We went to the school that houses it, and I managed to correct the problem.

Mr Islam serves Scott and myself more of the delicious lunch they had prepared.  Eaten with our hands, of course.

Mr Islam serves Scott and myself more of the delicious lunch they had prepared. Eaten with our hands, of course.

Now it was time to join Scott. I left the boat for a bumpy 2.5-hour drive to Khulna and the hotel. We had allotted two days for servicing and installing GPS in Khulna, but we also wanted to visit a 400-year-old temple in the Sundarbans. It is being looked at to measure subsidence since it was built. We could only visit the temple if we could do the GPS work in one day. We started a 7 a.m., picking up Hafizur and heading to his family’s house, where the compaction meter is.  We hoped to finish it quickly, but there were problems with the GPS. The solar panel controller was bad and had to be replaced. Then I found the settings of the GPS were bad; I couldn’t communicate with it. After a struggle, I managed.  The system went bad last June and had recorded no data since then. Scott collected data from the compaction meter and surveyed the monuments, while

Scott adjusting the GPS antenna at the new Khulna site, working into the night.

Scott adjusting the GPS antenna at the new Khulna site, working into the night.

I got the GPS going again.  When it was time to leave, we found that the Islamic family had prepared a huge lunch for us, and we had to stay and eat: sweet rice appetizer, two kinds of fish, chicken, vegetable, rice and a rice pastry in palm juice for dessert.

When we left to go to Khulna University (KU), our chance for the temple looked bleak. We met Professor Rakib Uddin, who did not get our sense of urgency.  The GPS at KU hadn’t been working for years. Set up in the Urban Planning Department, the 20-year-old receiver needed constant care to keep going. We had installed these obsolete instruments when we first started working in Bangladesh and had almost no funding. We would be reestablishing the site, replacing everything.

Scott falls asleep on the M/V Mowali sailing to join everyone on the larger ship after a very long and successful day.

Scott falls asleep on the M/V Mowali sailing to join everyone on the larger ship after a very long and successful day.

Then we would install a new receiver in Rakib’s office in Environmental Sciences. As long as we had some overlap of the two receivers, we could combine the measurements for a longer record. After various formalities, we went to the office. We would need to buy some extra equipment, but the professor had to leave. We called everyone to say we could not do the temple. Then Rakib got the professor to leave the key so we could keep working. It was now a maybe. We arranged for the forest permits not knowing if we could use them. Allan and Towfique went shopping while Scott and I did what we could. By the time they got back and we finished, with multiple time-stealing problems along the way, it was dark. Rakib stayed late and Scott and I rushed to install the new GPS. The new ones are easier to work with, but

Sailing up a small channel to the Shakher Temple with our armed guards and a local fisherman guide (at prow).

Sailing up a small channel to the Shakher Temple with our armed guards and a local fisherman guide (at prow).

everything takes time. By the time we finished it was almost 9 p.m.

We rushed to the hotel and packed overnight bags. Bachchu’s other boat, the Mowali, would take us to the Bawali. We left at 10 p.m. after less than 24 hours in Khulna. It took 4 hours to reach the Bawali west of Polder 32. It was 2 a.m., but we made it. No dinner, but a chance to see the only Hindu Temple in the Sundarban. With two armed guards for tigers and a local guide, we sailed to a small channel south of the temple and took the launch to go into the forest. The channel got smaller, with branches occasionally sweeping across the boat. We got stuck, but the tide was rising. Then we had a long hike through the muddy forest, across a log bridge and more mud.

Dan crossing the log bridge on the way to the temple with helpers holding up a railing.

Dan crossing the log bridge on the way to the temple with helpers holding up a railing.

Finally we got there. After examining the temple, we decided more work was needed before we accepted the low subsidence rate estimated for the site. We also visited the rubble of the home for the local community and their protective wall. They were sent here to protect the region from Arakan and Portuguese pirates. They were the ones who built the Shakher temple. We could head back down the channel and return to Khulna on the Bawali. Despite all the problems, we had accomplished all of our goals for this part of the trip.

The group that made the trek to the temple pose in front of the ruins of the house (bari) that the people lived in.

The group that made the trek to the temple pose in front of the ruins of the house (bari) that the people lived in.

The ruins of the ~400 year old Shakher Temple to the Hindu goddess Kali.

The ruins of the ~400 year old Shakher Temple to the Hindu goddess Kali.

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