Note: Intro -- Contents -- Introduction to the Atlas -- Bedform Analysis and Main Physical Processes -- 1 Bedform Mapping: Multibeam Data Processing, Metadata and Spatial Data Services -- Abstract -- 1.1 Introduction: Multibeam Data Processing -- 1.2 Metadata -- 1.3 Spatial Data Services -- 1.4 The INSPIRE Directive -- 1.5 Conclusions -- References -- 2 Methods for Analysing Bedform Geometry and Dynamics -- Abstract -- 2.1 Introduction -- 2.2 Review of Methods -- 2.2.1 Bedform Orientation and Wavelength -- 2.2.2 Superimposed Bedforms and Identification of Crests and Troughs -- 2.2.3 Bedform Dynamics -- 2.3 Discussion -- 2.4 Conclusions -- Acknowledgments -- References -- 3 Principles of Physical Modelling of Bedforms Under Waves and Currents -- Abstract -- 3.1 Introduction -- 3.2 Physical Modelling in Three Steps -- 3.3 Two Simple Cases -- 3.4 Concluding Remarks -- Acknowledgments -- References -- 4 Modelling Bedforms on the Continental Shelf -- Abstract -- 4.1 Introduction -- 4.2 Tidal Sand Waves -- 4.3 Tidal Sand Banks -- 4.4 Long Bed Waves -- 4.5 Shoreface-Connected Sand Ridges -- 4.6 Future Perspectives -- Acknowledgements -- References -- 5 Internal Waves and Bedforms -- Abstract -- 5.1 Introduction -- 5.2 Internal Wave Impact on Sediment -- 5.3 Observational Setup -- 5.4 Discussion -- References -- 6 Turbidity Current Bedforms -- Abstract -- 6.1 Turbidity Current Bedforms -- 6.2 Bedform Stability Diagram for Turbidity Currents -- 6.3 Discussion -- References -- 7 Dense Shelf Water Cascading and Associated Bedforms -- Abstract -- 7.1 Introduction -- 7.2 Dense Shelf Water Cascading in the Western Mediterranean -- References -- 8 Currents in the Western Mediterranean Basin -- Abstract -- 8.1 Introduction -- 8.2 The Mediterranean Basin -- 8.3 Methods and Observations -- 8.4 Surface Circulation -- 8.5 Intermediate Circulation -- 8.6 Deep Circulation. , Acknowledgments -- References -- Bedforms in the Coastal Zone -- 9 Bedforms as Self-organized Patterns -- Abstract -- 9.1 Introduction -- 9.2 Forced or Self-organized Response? -- References -- 10 Beach Cusps -- Abstract -- 10.1 Introduction -- 10.2 Modelling Beach Cusp Formation -- Bibliography -- 11 Km-Scale Shoreline Sand Waves -- Abstract -- 11.1 Shoreline Undulations -- 11.2 Km-Scale Shoreline Sand Waves -- 11.3 Self-organized Origin and Evolution -- Acknowledgments -- References -- 12 KM-Scale Shoreline Sand Waves In The Western Mediterranean Sea -- Abstract -- 12.1 Introduction -- 12.2 Open Coasts -- 12.3 Deltas -- 12.4 Sheltered Shores -- Acknowledgments -- References -- 13 Nearshore Sand Bars -- Abstract -- 13.1 Motivation -- 13.2 Classification and Morphological Characteristics and Dynamics -- 13.2.1 Shore-Parallel Bars (Straight or Crescentic) -- 13.2.2 Transverse Bars -- 13.3 Physical Processes for Their Development and Dynamics -- 13.3.1 Shore-Parallel Straight Bars -- 13.3.2 Crescentic Bars and Transverse TBR Bars (Type 1) -- 13.3.3 Transverse Medium-Energy Finger Bars (Type 2) -- 13.3.4 Transverse Low-Energy and Large-Scale Finger Bars (Types 3 and 4) -- Acknowledgments -- References -- 14 Nearshore Sand Bars on Western Mediterranean Beaches -- Abstract -- 14.1 Introduction -- 14.2 Observations of Nearshore Sand Bars in the Western Gulf of Lions, France -- 14.3 Observations of Nearshore Sand Bars on Catalan Beaches, Spain -- 14.3.1 Ebro Delta -- 14.3.2 Llobregat Delta (Barcelona and Castelldefels) -- 14.4 Summary and Comparison with Nearshore Bars on Other Coasts -- Acknowledgments -- References -- 15 Contemporary Subaqueous Dune Field Development Over an Abandoned River Mouth (Ebro Delta) -- Abstract -- 15.1 Introduction -- 15.2 General Setting -- 15.3 Data Collection -- 15.4 Results and Discussion -- 15.5 Conclusions. , Acknowledgments -- References -- 16 Bedforms on the Lowermost Reach of the Tiber River (Rome, Italy): Preliminary Results from Integrated Geophysical Surveys and Samplings -- Abstract -- 16.1 Introduction -- 16.2 Methods -- 16.3 Results -- 16.4 Final Remarks -- Acknowledgments -- References -- Bedforms in Prodeltas and Sorted Bedforms -- 17 Holocene Muddy Bedforms on the Llobregat River Prodelta Wedge -- Abstract -- 17.1 Introduction-Study Area -- 17.2 Methods -- 17.3 Results-Discussion -- 17.4 Conclusions -- Acknowledgments -- References -- 18 Prodeltaic Undulations and Hyperpycnal Flows (I): Morphological Observations -- Abstract -- 18.1 Introduction -- 18.2 Sediment Supply of Short, Mountainous Rivers -- 18.3 Morphological Observations -- 18.4 Diagnostic Morphological Criteria Compatible with Hyperpycnal Flow Genesis -- Acknowledgments -- References -- 19 Prodeltaic Undulations and Hyperpycnal Flows (II): Evolutionary Trends -- Abstract -- 19.1 Introduction -- 19.2 Holocene Prodeltaic Wedges in the Mediterranean Sea -- 19.3 Evidence of Progressive Undulation Development -- 19.4 Evolutionary Trends Compatible with Sediment Flow Activity -- Acknowledgments -- References -- 20 Sorted Bedforms Along the Egadi Islands Continental Shelf (Southern Tyrrhenian) -- Abstract -- 20.1 Introduction-Study Area -- 20.2 Methods -- 20.3 Results-Discussion -- 20.4 Conclusions -- Acknowledgments -- References -- 21 Sorted Bedforms Developed on Sandy Deposits Derived from Small Ephemeral Streams (Catalan Continental Shelf) -- Abstract -- 21.1 Introduction -- 21.2 Methods -- 21.3 Results -- 21.4 Discussion and Conclusions -- Acknowledgments -- References -- 22 Dynamics of Sorted Bedforms on a Shallow Infralittoral Prograding Wedge Influenced by Dredging (El Masnou, NW Mediterranean) -- Abstract -- 22.1 Introduction -- 22.2 Methods -- 22.3 Results. , 22.3.1 Sorted Bedform Characteristics -- 22.3.2 Short-Term Bedform Evolution -- 22.4 Discussion and Conclusions -- Acknowledgments -- References -- 23 Sorted Bedforms Along the Continental Shelf of Western Sardinia -- Abstract -- 23.1 Introduction -- 23.2 Methods -- 23.3 Results -- 23.4 Discussion and Conclusions -- Acknowledgments -- References -- Bedforms in the Continental Shelf -- 24 Sedimentary Bedforms in the Menorca Channel Region, Balearic Islands (Western Mediterranean) -- Abstract -- 24.1 Study Area -- 24.2 Methods -- 24.3 Results and Discussion -- Acknowledgments -- References -- 25 Dome Dunes on the Inner to Middle Shelf Transition on a Temperate-Water Carbonate Sediment Shelf. Pitiusas Islands -- Abstract -- 25.1 Introduction -- 25.2 Methods -- 25.3 Results -- 25.4 Discussion and Conclusions -- Bibliography -- 26 Trawl Marks and Dredge Spoils as Examples of Seabed Anthropic Alteration on Sediments (Menorca Shelf) -- Abstract -- 26.1 Introduction -- 26.2 Methods -- 26.3 Results -- 26.3.1 Trawl Marks -- 26.3.2 Dumping of Dredged Sediment -- 26.4 Discussion and Conclusions -- Acknowledgments -- Bibliography -- 27 Sand Ridges on the Mid-Outer Valencia Continental Shelf -- Abstract -- 27.1 Introduction, Study Area and Methods -- 27.2 Results and Discussion -- 27.3 Conclusions -- Acknowledgments -- References -- 28 Subaqueous Dune Fields on the Marine Protected Area Around the Cabrera Archipelago (Balearic Islands) -- Abstract -- 28.1 Introduction -- 28.2 Methods -- 28.3 Results -- 28.3.1 The Northern Dune Field (Na Foradada Island) -- 28.3.2 The Eastern Dune Field (Sa Conills and Na Redona Islands) -- 28.3.3 The Southern Dune Field (Es Estells islands) -- 28.4 Discussion and Concluding Remarks -- Acknowledgments -- References -- 29 Subaqueous Dunes Over Sand Ridges on the Murcia Outer Shelf -- Abstract -- 29.1 Introduction -- 29.2 Methods. , 29.3 Results -- 29.3.1 Sand Ridges -- 29.3.2 Subaqueous Dunes -- 29.4 Discussion and Conclusions -- Acknowledgments -- References -- Bedforms and Benthos -- 30 Bedforms as Benthic Habitats: Living on the Edge, Chaos, Order and Complexity -- Abstract -- 30.1 Study Area -- 30.2 Methodology -- 30.3 Results -- Acknowledgments -- References -- 31 Benthic Communities on Shallow Sedimentary Bottoms in the Western Mediterranean -- Abstract -- 31.1 Introduction -- 31.2 Benthic Communities -- 31.2.1 Very Coarse Bottoms -- 31.2.2 Sandy Bottoms -- 31.2.3 Fine-Grained Bottoms -- 31.2.4 Meadows -- 31.2.5 Maërl Beds -- 31.3 Concluding Remarks -- References -- 32 Characterization of Benthic Communities in a Subaqueous Dune Field on the Continental Shelf (Mar Menor, Western Mediterranean) -- Abstract -- 32.1 Introduction -- 32.2 Methods -- 32.3 Results -- 32.3.1 Subaqueous Dunes -- 32.3.2 Habitat Types and Benthic Communities -- 32.3.2.1 The Maërl Community -- 32.3.2.2 The Transition Community -- 32.3.2.3 The Fine-Sediment Community -- 32.4 Concluding Remarks -- Acknowledgments -- References -- 33 Bio and Anthropogenic Disturbance of Maërl Communities Settled on Subaqueous Dunes on the Mar Menor Continental Shelf (Western Mediterranean) -- Abstract -- 33.1 Introduction -- 33.2 Maërl Beds -- 33.3 Biogenic Disturbance -- 33.4 Anthropogenic Disturbance -- 33.5 Concluding Remarks -- Acknowledgments -- References -- Beforms in Submarine Canyons -- 34 Bedforms in the Southern Submarine Canyons of the Balearic Islands (Western Mediterranean) Interpreted as Cyclic Steps -- Abstract -- 34.1 Introduction -- 34.2 Methods -- 34.3 Results-Discussion -- 34.4 Conclusions -- Acknowledgments -- References -- 35 Cyclic Steps at the Head of Channelized Features Along the Calabrian Margin (Southern Tyrrhenian Sea, Italy) -- Abstract -- 35.1 Introduction and Study Area -- 35.2 Methods. , 35.3 Results and Discussion.