Schéma des couches du sol et aquifère

A diagrammatic cutaway illustration of the earth showing soil layers, an unsaturated zone, a water table, an unconfined aquifer, impermeable rock, and a confined aquifer with a stone well extending into the water.

Flat colour illustration of a cutaway earth diagram showing groundwater aquifers, soil layers, water table, and a stone well in earthy tones Voir plus

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A cross-section diagram of soil layers showing grass on top, followed by layers labeled Humus, Topsoil, Subsoil, and Bedrock.

A cross-section diagram of a volcano showing the magma chamber, vent, crater, lava flow, and ash cloud with labels.

A colorful educational illustration depicting the geological rock cycle, featuring a volcanic eruption, a river flowing into the sea, and underground layers showing the formation of igneous, sedimentary, and metamorphic rocks.

An isometric 3D diorama of terraced rice paddies with a small village of thatched-roof huts, set against a pale jade background with soft lighting.

An isometric 3D diorama shows a cross-section of the Strokkur geyser erupting, with a column of water and steam rising from a snowy landscape, revealing subterranean layers of rock and a geothermal chamber below.

A diagram illustrating the water cycle, featuring a sun, clouds, rain, a mountain, a lake, and arrows indicating the processes of evaporation, condensation, and runoff.

A cross-section illustration of a stratovolcano showing a central conduit, branching magma dikes, and a large magma chamber beneath layers of rock and ash against a blue sky with clouds.

A diagram illustrating the states of matter, showing an ice cube labeled 'Solid', a glass of water labeled 'Liquid', and water vapor labeled 'Gas', with arrows indicating the processes of 'Melting' and 'Evaporation'.

A colorful, stylized cutaway illustration of a volcano showing the magma chamber, conduit, and lava layers beneath a grassy, mountainous landscape.

A 3D isometric diagram illustrates the components and operation of a hydroelectric dam, featuring a reservoir, penstock, turbine, generator, and power lines.

A detailed cross-section illustration of an underground ant colony featuring tunnels, a queen's chamber, nursery, fungus gardens, and food storage areas.

An isometric 3D diorama shows a flooded cranberry bog during harvest, with a floating crimson carpet of berries corralled by a boom, workers in the water, and a cross-section revealing submerged vines, all set against a backdrop of golden tamarack trees under soft light.

A flat vector illustration of the Earth with a quarter-section cut away to reveal its internal layers, including a glowing orange core, a red mantle, and a thin brown crust, set against a plain blue background with decorative stars.

A stylized, flat vector world map featuring simplified landmasses in green and tan with white ice caps, set against a two-tone blue ocean background.

A close-up, macro view of parched, cracked white earth forming hexagonal patterns under bright, harsh sunlight.

An isometric 3D diorama of a small island with a single thatched-roof farmhouse on a mound, surrounded by turbulent water, under a dark, stormy sky with rays of light breaking through.

An infographic illustration titled 'How a Canal Lock Works' shows a five-step process of a red canal boat rising through a lock system using paper-cut style graphics.

A stylized, vintage-style infographic illustration titled 'HOW A WIND TURBINE WORKS' depicts the components of a wind turbine, including wind, blades, a gearbox, a generator, and a connection to the power grid.

A circular illustration divided into four quadrants depicting a single oak tree throughout the four seasons, with spring buds, lush summer foliage, autumn leaves, and winter snow.

An educational cutaway illustration of the water cycle featuring a green valley, a winding river, a lake, and clouds with rain, evaporation, and groundwater flow.

A flat-style educational illustration shows a cutaway view of the San Andreas Fault, depicting the Pacific Plate and North American Plate sliding past each other with visible geological layers.

A cross-section diagram of the Earth showing its internal layers, including the crust, mantle, outer core, and inner core, with the surface of the Earth visible on the left side.

A flat vector infographic on a turquoise background illustrates the course of a river from a snowy mountain source, down a waterfall, through meandering curves, to a fan-shaped delta at the sea, with labels for each feature.

An educational illustration showing a cross-section of a cumulonimbus thunderstorm cloud with labeled internal air currents, precipitation, and a lightning bolt.

An isometric infographic titled 'Great Rivers of the World' displays six stylized, square-cut landscape blocks, each featuring a different river, including the Mississippi, Amazon, Danube, Nile, Yangtze, and Murray, with iconic landmarks or wildlife associated with each.

A flat vector infographic illustrates the water cycle with a green hill, a blue lake, a white cloud, and curved arrows connecting the stages of evaporation, condensation, precipitation, and collection.

An isometric 3D cutaway illustration of an ochre pigment production site featuring settling basins with color-graded slurry, drying racks for pigment bricks, and workers in a rustic workshop setting beneath cliffs.

A paper-craft style illustration of the water cycle featuring a sun, clouds, rain, water, and hills, with arrows labeled 1. Evaporation, 2. Condensation, 3. Precipitation, and 4. Collection.

A blueprint-style educational diagram on a blue grid background illustrates the three states of matter: solid, liquid, and gas, using particle models and corresponding icons of an ice cube, a water drop, and a curl of steam.

A cross-section illustration of a pond featuring green frogs on lily pads above the water surface, silver fish swimming among aquatic plants, and dragonfly larvae in the bottom silt, all illuminated by sunlight filtering through the water.

A flat vector infographic on a green background features a central seedling in a clay pot surrounded by four circular icons representing sun, water, soil, and air, each labeled with its respective name.

A stylized vector illustration depicts a river flowing from snow-capped mountains through a winding valley into a wide delta at the sea, rendered in a soft pastel color palette.

An educational watercolor-style illustration titled 'How Photosynthesis Works' depicting a plant absorbing sunlight, carbon dioxide, and water while releasing oxygen and glucose.

A 3x3 grid of nine flat vector-style earth science icons featuring a volcano, a globe, a compass, mountains, a rain cloud, a tornado, a seismograph, a tree, and a spiral pattern, all rendered in terracotta and sky blue on an off-white background.

An isometric 3D diorama of a limestone plateau featuring dragon's blood trees with umbrella-shaped crowns, a deep wadi with a teal pool, and sharp shadows cast on a pale camel-colored background.

A close-up view of a textured rammed earth wall featuring horizontal layers of ochre and rose-colored soil, illuminated by low-angle sunset light with a small bird nest visible in a crevice near the top.

A cross-section diagram showing an oceanic plate subducting beneath a continental plate, with magma rising to form a volcanic arc.

An educational illustration of the water cycle showing evaporation from the ocean, condensation into clouds, precipitation over mountains, surface runoff into a river, and groundwater collection.

A cross-section illustration of an underground ant colony with tunnels connecting various chambers containing ants, larvae, and eggs, set beneath a grassy mound.

A cross-section diagram of a volcano labeled with its parts including the magma chamber, main vent, lava flow, crater, and ash cloud.

An educational infographic illustration titled 'The Water Cycle' depicts the four stages of the water cycle: evaporation, condensation, precipitation, and collection, featuring a sun, clouds, mountains, and a body of water.

A diagram of the rock cycle showing the transformation between igneous, sedimentary, and metamorphic rocks and magma, with arrows indicating the processes.

A flat vector illustration depicts a cross-section of a mountain with distinct climate zones ranging from a lush green base with a river to a snow-capped peak against a light blue sky.

A stylized illustration of the water cycle featuring the sun, clouds, rain falling over green hills, a river, and the sea with evaporation arrows.

An educational illustration of a tree showing its parts, including leaves, branches, trunk, bark, and roots, set on a cross-section of earth.

A stylized, layered infographic illustration showing the five layers of the Earth's atmosphere, labeled from 1 to 5 starting from the troposphere at the bottom to the exosphere at the top.

An educational infographic illustration titled 'How Solar Panels Work' showing sunlight hitting solar panels on a house roof, which then connect to an inverter to power the home.

A view looking straight down a deep, moss-covered stone well, with a porcelain doll's face floating in the center of the water at the bottom, which reflects the bright sky above.

A vintage-style educational illustration titled 'How Glaciers Carve Valleys' showing four sequential stages of glacial formation and erosion.

An instructional infographic titled 'How to Plant a Tree' features six illustrated steps showing the process of digging, root preparation, planting, backfilling, watering, and mulching a young oak tree.

An aerial view of the Holuhraun lava field in Iceland, showing a contrast between smooth, ropy pahoehoe lava and jagged, rubbly aa lava next to a strip of grey sand.

An isometric 3D diorama shows a cross-section of a sandy riverbank with a kingfisher nest tunnel containing chicks, while another kingfisher dives into the clear resin water to catch a fish under dappled morning light.

A cross-section illustration of plate tectonics showing an oceanic plate subducting beneath a continental plate, creating a trench, volcanic arc, and mountain range.

A cross-section diagram illustration shows a geyser erupting a plume of water and steam from an underground network of pipes and heated rock layers.

A flat-style digital illustration depicts the water cycle, featuring a mountain range with rain, surface runoff flowing into the ocean, and evaporation rising from the sea under a bright sun.

A flat illustration of the water cycle featuring a blue lake in a green valley, with arrows showing evaporation, condensation, precipitation, surface runoff, and infiltration.

A cross-section diagram of the Earth showing its four layers labeled as crust, mantle, outer core, and inner core.

A digital illustration of the Earth with a cutaway section revealing its internal layers, including the crust, mantle, outer core, and inner core, labeled with text and accompanied by a color-coded legend.

A cross-section illustration of a tropical coral reef featuring clownfish in anemones, brain coral, a sea turtle, and a deep blue drop-off under bright daylight.

A flat vector infographic of the Earth with a wedge cut away to reveal its four internal layers, labeled 'Crust', 'Mantle', 'Outer Core', and 'Inner Core' against a deep violet background.

A diagram showing the five layers of the Earth's atmosphere, labeled from bottom to top as Troposphere, Stratosphere, Mesosphere, Thermosphere, and Exosphere, with corresponding illustrations for each layer.

An isometric 3D diorama of a glacier section showing a blue ice cave with a meltwater stream flowing over rocky ground, featuring visible layers of black ash within the ice and soft daylight filtering through the roof.

A digital vector illustration showing a cross-section of an ant colony underground, featuring tunnels connecting various chambers filled with white larvae, stored seeds, and a large queen ant beneath a grassy hill.

A low-poly 3D cross-section diorama shows a cavern with a central stone walkway and turquoise water, illuminated by a single shaft of sunlight streaming through a hole in the jungle-covered ceiling.

A cross-section illustration of a cone volcano showing a magma chamber, a central conduit, lava flowing down one side, and a large plume of grey ash rising into the sky.

A flat vector illustration of a glacier face featuring geometric ice blocks in shades of blue and white, with a warm orange band of light along the top edge.

A soft digital illustration of the water cycle featuring a green hill, a blue lake, and a smiling cloud, with labels for evaporation, condensation, precipitation, and collection.

An isometric view of a Minecraft floating island base featuring a treehouse, a small house, a farm with cows, and a waterfall cascading off the edge against a clear blue sky.

A flat-color illustration of a concrete hydroelectric dam situated in a steep mountain valley, featuring a deep blue reservoir and a spillway releasing water into the river below.

A close-up view of parched, cracked earth forming a network of geometric polygons under bright, direct sunlight.

An isometric 3D diorama of the Maras salt terraces in the Sacred Valley, featuring numerous terraced pans filled with water and salt deposits, set against a cloudy sky.

A bird's-eye view illustration depicts a river flowing from a mountain spring through a green valley with meanders and agricultural fields, ending in a silty delta at the sea.