Depth Collection (#10)

USA, California, Lake Tahoe. Lupine (Lupinus perennis) blooming at Lake Tahoe

Feather Star Detail, Puerto Gallera, Philippines, SE Asia

Anthias fish (Pseudanthias squamipinnis) Underwater Sea Life at Verde Island near Puerto Gallera, Philippines, SE Asia

Indonesia, Sulawesi. Crater of Gunung Lokon volcano near Manado, Manado Tua island in distance

The Rock Room, Arsameia Ruins of Commagene Kingdom, Adiyaman, Turkey

Roving coral grouper, Plectropomus pessuliferus (marisrubri), with Scalefin anthias, Anthias squamipinnis, Red Sea, Egypt

Lionfish (Pterois voliants) by corals and Red Sea Racoon Butterflyfish (Chaetodon fasciatus) in the background, Red Sea, Egypt

Old wheel home to corals and fish with scuba divers in the background, Numidia shipwreck, Brother Islands, Red Sea, Egypt

Titan triggerfish (Balistoides viridescens) and Scalefin Anthias (Anthias Squamipinnis), with corals, Red Sea, Egypt

Scalefin Anthias, Anthias squamipinnis, swimming over coral of genus Acropora, Red Sea, Egypt

Red Sea Racoon butterflyfish, Chaetodon fasciatus, Abu Soma Arbaa (Safaga area), Red Sea, Egypt

Arabian Picasso triggerfish, Rhinecanthus assasi, Panorama Reef (Abu Alama), Red Sea, Egypt

Above and underwater shot of dive boats and corals at Panorama Reef (Abu Alama), Red Sea, Egypt

Humphead wrasse, Cheilinus undulatus and anthiases at Elphinstone Reef, Red Sea, Egypt

Rusty parrotfish (Scarus ferrugineus) pectoral fin, Um Halhla, Red Sea, Egypt

Coral hind, Cephalopholis miniata, at Elphinstone Reef, Red Sea, Egypt

Rusty parrotfish (Scarus ferrugineus), Um Halhla, Red Sea, Egypt

Clearfin lionfish, Pterois radiata, at Siyull Island (Fury Shoal area), Red Sea, Egypt

School of Scalefin anthias, Anthias squamipinnis, at Habili Ali (St. Johns Reef area), Red Sea, Egypt

Lionfish (Turkeyfish), Pterois volitans, at Daedalus Reef (Abu el-Kizan), Red Sea, Egypt

School of Masked Butterflyfish, Chaetodon semilarvatus, Red Sea, Egypt

Mine laying submarine, WW1
An illustration showing a mine-laying submarine during the First World War, and the different stages involved -- the mine leaving the submarine, the mine rising and reaching the surface

British drifters in harbour, Taranto, Italy, WW1
British drifters which took part in the Otranto Barrage, an allied naval blockade in the Adriatic during the First World War, seen here at anchor in the harbour at Taranto, Italy

Stratification Diagrams
Two diagrams to explain stratification: the books represent the different stratas in a depth of about 5 miles; the hand indicates depth of the coal strata Date: 19th century

Water depth gauge in reedbed -Minsmere nature reserve Suffolk

Water depth gauge in marsh RSPB Minsmere Suffolk

Water level depth gauge in pond at edge of fen, in valley fen reserve, Market Weston Fen, Market Weston, Suffolk, England, november

Water level depth marker in chalk stream, River Piddle, Dorset, England, november

Green Turtle (Chelonia mydas) adult, swimming, with two other turtles swimming below, Sipadan Island, Sabah, Borneo, Malaysia

Muller-Lyer illusion. The two lines with arrows at each end appear to be different lengths on the left. In fact they are the same length

Using vernier calipers
Using Vernier calipers. This measuring device is being used to measure the diameter of a metal ball bearing. The external jaws are being used

Vernier calipers. These are calipers (a type of measuring device) that have a Vernier scale to allow accurate measurements

Water depth marker. Marker indicating the depth of a body of water

Rising river level
Rising water level on the River Eden in Appleby-in-Westmorland prior to flooding

Africa. Computer artwork, based on a satellite image, of Africa. North is at top. Water is blue, vegetation is green and desert is yellow

Mir-2 deep submersible in Lake Baikal
Deep water exploration. The Mir-2 submersible seen being lowered into the waters of Lake Baikal, Russia. Mir-2 is one of a pair of manned deep submergence vehicles designed in Russia

Gold ore open cast mining
Open cast mine. View across a large open cast mine that contains gold ore. Open cast mines are used where the ore is diffuse in the surrounding rocks, and thus not suitable for tunnelling

Dead Sea altitude marker. Marker at 300 metres below sea level at the Dead Sea, Israel. The dead sea is the lowest place on earth reaching a maximum of 418 metres below sea level

Earth, topographic and bathymetric map. Computer generated image showing the varying heights and depths of the Worlds landmasses, oceans and seas

Geothermal power in Iceland, artwork
Geothermal power in Iceland. Cutaway artwork showing the drilling of a borehole in Iceland to a depth of 5 kilometres to extract geothermal power

Geothermal power in the USA, artwork
Geothermal power in the USA. Cutaway artwork showing the drilling of a borehole in the USA to a depth of 6 kilometres to extract geothermal power

Geothermal mapping, USA. Map of the USA, showing the temperature at a depth of six kilometres below the surface. This shows areas with a high potential for boreholes to be drilled to those depths

Geothermal mapping, Iceland. Map of iceland, showing the temperature at a depth of two kilometres below the surface. This shows areas with a high potential for boreholes to be drilled to those

Geothermal mapping, Europe. Map of Europe, showing the temperature at a depth of five kilometres below the surface. This shows areas with a high potential for boreholes to be drilled to those depths

Refraction in water waves. Waves of water travel more slowly in shallower areas. Therefore when waves move into a shallower area they bend (refract) at the boundary

Reflection of straight waves on a ripple tank

Circular waves in a ripple tank

Oceanography research. Niskin bottle container being lowered into the sea. This measuring device collects water samples from different depths of the ocean

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"Exploring the Depths: Unveiling Earth's Hidden Secrets" Embark on a journey through the depths of our planet, where hidden wonders await. From the towering mountains to the mysterious ocean floors, discover the true depth of Earth's beauty. Starting with topographic and bathymetric maps, we unravel the intricate landscapes that shape our world. Witness the majestic peaks and valleys etched across continents like Australia and Africa, revealing nature's artistic touch. Delve even deeper into uncharted territories as we explore Mariana Trench's sea floor topography. Plummeting to unimaginable depths, this abyss holds secrets yet to be fully understood by mankind. At University of Oxford's College of the University, scholars delve into intellectual depths unparalleled elsewhere. Here, knowledge is nurtured and minds are shaped to comprehend life's complexities in all their dimensions. Intriguing tales emerge from these profound realms too – like that of a female bather who was saved from treacherous waters by an unexpected hero. A testament to human resilience and compassion found in even the most challenging circumstances. Artistic expressions also capture depth in unique ways. "Life Guitar, " an oil canvas masterpiece from 1913 measuring 26 x 39½ inches (66 x 100. 3 cm), evokes emotions through its layers of colors and textures – a visual representation beyond physicality. History takes us back centuries ago when Christopher Columbus stood at La Rabida in 1872, contemplating his own voyage into uncharted waters. His determination exemplifies humanity's ceaseless quest for exploration and understanding. Beneath Earth’s surface lies another realm teeming with fascinating creatures – deep-sea anglerfish illuminate their surroundings with bioluminescent lures amidst pitch-black darkness. These mesmerizing beings remind us that depth harbors both mystery and enchantment. Charting oceanic sections such as Madeira, Portugal to St. Vincent, we navigate the vastness of our planet's waters.