Search result Speleology

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© Gabriel Barathieu / Biosphoto

Cave diver in an underwater cave of karstic origin at a depth of 75 meters during the Gumbo La Baharini 2 expedition, which aimed to produce a complete 3D model of this karstic cave using photogrammetry. Passe Bateau Sud, Mayotte lagoon

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© Mathieu Foulquié / Biosphoto

Underground diver descending into the first well of the Buèges spring, Hérault, France

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• Sale prohibited by some Agents
• Use for the promotion of hunting prohibited

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© Brandon Cole / Biosphoto

Diver into the light shining down through a cenote opening

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© Gabriel Barathieu / Biosphoto

Tek (Trimix) speleologist diver in a karstic underwater cave over 70 meters deep, Photogrammetry, twiglight zone, Mayotte

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© Gabriel Barathieu / Biosphoto

View of the entrance to the karstic cave of Passe Bateau Sud at a depth of 60 metres, Mayotte

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© Gabriel Barathieu / Biosphoto

View of the entrance to the karstic cave of Passe Bateau Sud at a depth of 60 metres, Mayotte

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© Gabriel Barathieu / Biosphoto

Speleologist diver taking photographs in a karstic cave at Passe Bateau Sud at a depth of 60 metres, Mayotte

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© Gabriel Barathieu / Biosphoto

Tek rebreather diver at a depth of 70 meters with a DPV specially equipped with 60,000 lumen lighting and 12 Gopro to carry out a 3D survey of a karstic cave submerged for over 14,000 years, Passe Bateau Sud, Mayotte Lagoon

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© Gabriel Barathieu / Biosphoto

Closed-circuit trimix rebreather diver in a karstic underwater cave submerged for over 14,000 years, Passe Bateau Sud, Mayotte Lagoon

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© Gabriel Barathieu / Biosphoto

Cave diver in a karst underwater cave at a depth of 60 metres for the Gumbo La Baharini 2 expedition, Passe Bateau Sud at a depth of 60 metres, Mayotte

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© Gabriel Barathieu / Biosphoto

Potholing diver in a karstic cave at Passe Bateau Sud, 60 metres deep in Mayotte's lagoon.

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© Gabriel Barathieu / Biosphoto

Cave diver in an underwater cave of karstic origin at a depth of 75 meters during the Gumbo La Baharini 2 expedition, which aimed to produce a complete 3D model of this karstic cave using photogrammetry. Passe Bateau Sud, Mayotte lagoon

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© Mathieu Foulquié / Biosphoto

Underground diver descending into the first well of the Buèges spring, Hérault, France

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• Sale prohibited by some Agents
• Use for the promotion of hunting prohibited

2559876

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© Mathieu Foulquié / Biosphoto

Sunbeams in the entrance of the Buèges spring, Hérault, France

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• Sale prohibited by some Agents
• Use for the promotion of hunting prohibited

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© Mathieu Foulquié / Biosphoto

Sunbeams in the entrance of the Buèges spring, Hérault, France

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• Sale prohibited by some Agents
• Use for the promotion of hunting prohibited

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© Mathieu Foulquié / Biosphoto

Underground diver installing emergency diving cylinders in the first well of the Buèges spring, Hérault, France

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© Mathieu Foulquié / Biosphoto

Underground diver above the first well in the Buèges spring, Hérault, France

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© Mathieu Foulquié / Biosphoto

Diver crossing the entrance to the Buèges spring, Hérault, France

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2559869

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© Mathieu Foulquié / Biosphoto

Diver above the entrance to the Buèges spring, Hérault, France

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• Sale prohibited by some Agents
• Use for the promotion of hunting prohibited

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© Mathieu Foulquié / Biosphoto

Underground diver in the Buèges spring, Hérault, France

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• Sale prohibited by some Agents
• Use for the promotion of hunting prohibited

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© Mathieu Foulquié / Biosphoto

Underground diver in the Buèges spring, Hérault, France

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• Sale prohibited by some Agents
• Use for the promotion of hunting prohibited

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© Mathieu Foulquié / Biosphoto

Underground diver in the exsurgence of Font Estramar / Fontaine de Salses, Pyrénées-Orientales, France

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© Mathieu Foulquié / Biosphoto

Underground diver in the exsurgence of Font Estramar / Fontaine de Salses, Pyrénées-Orientales, France

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• Sale prohibited by some Agents
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© Mathieu Foulquié / Biosphoto

Underground divers in the exsurgence of Font Estramar / Fontaine de Salses, Pyrénées-Orientales, France

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© Mathieu Foulquié / Biosphoto

Underground diver descending into the first well of the Buèges spring, Hérault, France

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• Sale prohibited by some Agents
• Use for the promotion of hunting prohibited

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© Jean-Philippe Delobelle / Biosphoto

Chimney cave, in the Vercors, vast cavity dug in the Urgonian limestone, whose ceiling has collapsed (doline) thus creating a remarkable window near the entrance of the cave, Plateau d'Herbouilly, PNR du Vercors, Isère, France

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© Jean-Philippe Delobelle / Biosphoto

Chimney cave, in the Vercors, vast cavity dug in the Urgonian limestone, whose ceiling has collapsed (doline) thus creating a remarkable window near the entrance of the cave, Plateau d'Herbouilly, PNR du Vercors, Isère, France

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© Gabriel Barathieu / Biosphoto

Alone in the Dark. A view of the cave after a progression of about 60 meters from the entrance to a depth of about 65 meters. Underwater cave, Mayotte

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© Gabriel Barathieu / Biosphoto

The cave in panoramic view. A panorama made up of 12 photos to capture the grandeur and beauty of this underwater cave. Here we are about 90 metres from the entrance and 70 metres deep. We can see that the ground, covered with a thin layer of sediment, is strewn with fragments of stalactites. A place that has not changed since the cave was last immersed, some 12,000 years ago.Underwater cave, Mayotte

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© Gabriel Barathieu / Biosphoto

Underwater cave panoramic view. A 267 million pixel panoramic view to try to capture the atmosphere of this very special place. Underwater cave, Mayotte

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© Gabriel Barathieu / Biosphoto

The exit. Panorama of the exit of the cave. Photo taken at a depth of 55 metres. You can see the sand bank that has been accumulating for thousands of years at the entrance to the cave. Underwater cave, Mayotte

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© Gabriel Barathieu / Biosphoto

And in the middle, stalagmites. Panorama taken at a depth of 70 metres and 100 metres from the cave entrance. You can see the concretions in the foreground and some fragments of stalactites. Underwater cave, Mayotte

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© Gabriel Barathieu / Biosphoto

Panorama in an underwater cave. A 100 million pixel panorama to try and capture the scene as best as possible. We are 60 metres from the entrance. There is almost no light coming in at this point. But we can still see some concrete stalagmites. The next ones won't be. Underwater cave, Mayotte

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© Gabriel Barathieu / Biosphoto

Stalagmites. A panoramic view composed of 10 photos for more than 300 million pixels. At a depth of 70 metres, and 80 metres from the entrance, these stalagmites have stood in the dark for thousands of years. We are the first people to have discovered them. A strong and unique feeling in front of a testimony of the past of Mayotte. Underwater cave, Mayotte

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© Gabriel Barathieu / Biosphoto

The entrance to the underwater cave. A panorama taken at the entrance to the cave at a depth of just under 60 metres. Underwater cave, Mayotte

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© Gabriel Barathieu / Biosphoto

Light of dark. The light of my partner's lamp illuminating the first stalagmites of the cave. Depth: 65 m.Underwater cave, Mayotte

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© Gabriel Barathieu / Biosphoto

Crab guarding the cave. A close-up of this crab encountered in the depths of the cave. There is a strong chance that it is a species still unknown to science. Indeed, cave environments such as this cave are conducive to the creation of endemic species. Underwater cave, Mayotte

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© Gabriel Barathieu / Biosphoto

The three stalagmites. Photo taken from a bird's eye view of the three stalagmites which are 70 metres deep and about 80 metres from the cave entrance. Underwater cave, Mayotte

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© Gabriel Barathieu / Biosphoto

A collapse more than 12,000 years old. The floor of the last room is covered with rock fragments that fell from the ceiling. These fragments collapsed before the cave was last submerged by rising sea levels about 12,000 years ago. This can be confirmed because there are small stalagmites forming on different parts of the blocks. Underwater cave, Mayotte

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© Gabriel Barathieu / Biosphoto

Stalagmites. In the foreground we can see some small stalagmites "sprinkled" with sediment. In the distance, you can see Olivier's lighthouse which lights up the 3 stalagmites that dominate this part of the cave. I am 73 metres deep and 100 metres from the entrance. Underwater cave, Mayotte

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© Gabriel Barathieu / Biosphoto

Go to the dark. My friend Olivier "leads the way" down to the deepest point of the cave. Underwater cave, Mayotte

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© Gabriel Barathieu / Biosphoto

The stalagmite field. Another bird's eye view from a slightly different angle than the previous photo.Underwater cave, Mayotte

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© Gabriel Barathieu / Biosphoto

The stalagmite field. A bird's eye view of the stalagmite field that adorns the penultimate room. They are located at a depth of 70 metres. Underwater cave, Mayotte

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© Gabriel Barathieu / Biosphoto

Scientific expedition. Here we are at a horizontal progression of more than 60 m for a depth of more than 65 m. Olivier is setting up markers every 10 metres on the Ariane line. They will be used for the topographic surveys of the next dives.Underwater cave, Mayotte

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© Gabriel Barathieu / Biosphoto

Enter of the cave. Our return to the exit of the cave after spending half an hour exploring. Half an hour under 60 metres and 10 minutes over 70 metres for a maximum depth of 75 metres. At this point, we have 50 minutes of DTR (Total Ascent Time).Underwater cave, Mayotte

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© Gabriel Barathieu / Biosphoto

Rebreather diver. Photo taken at a depth of 70 m in this cave which has been underwater for 18,000 years. It's a great feeling to know that we are the first two humans to discover this place. Moreover, the information that this cave will be able to offer us, through the analysis of stalagmites and stalactites, will teach us a lot about the geology of Mayotte and the atmosphere of the cave at that time. Underwater cave, Mayotte

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© Gabriel Barathieu / Biosphoto

Underwater Stalagmite. In the south boat pass cave, 70 metres deep and about 100 metres from the entrance. This stalagmite is an irrefutable proof that this cave was emerged at one time. We are probably the first people to see this place. A real discovery that still has many secrets to reveal. Underwater cave, Mayotte

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© Gabriel Barathieu / Biosphoto

Stalagmites, Underwater cave, Mayotte

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© Gabriel Barathieu / Biosphoto

Stalagmites, Underwater cave, Mayotte

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© Gabriel Barathieu / Biosphoto

Rebreather diver. Diver who has just taken a piece of stalactite which was lying on the ground. This sample will allow us to know more about this cave and perhaps discover the date of its immersion. Underwater cave, Mayotte