Radar Antennas

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Christophe Norgeot - One of the best experts on this subject based on the ideXlab platform.

  • shelly cheniers on a modern macrotidal flat mont saint michel bay france internal architecture revealed by ground penetrating Radar
    Sedimentary Geology, 2012
    Co-Authors: Pierre Weill, Bernadette Tessier, Dominique Mouaze, Chantal Bonnotcourtois, Christophe Norgeot
    Abstract:

    Abstract The relationship between short-term morphodynamics and internal structure of shelly chenier ridges is investigated using ground-penetrating Radar and core X-ray analysis, complemented with a comparison of aerial photographs. These cheniers are located on the uppermost part of a macrotidal flat in Mont-Saint-Michel bay (North-Western France). They actively migrate landward over the salt-marshes by washover processes when they are submerged during the coincidence of spring tides and enhanced wave activity. The architecture of the cheniers is imaged using high-frequency Radar Antennas (400 MHz to 2.6 GHz). Three types of cheniers are recognized, featuring differences in morphology and internal structure. The altitude of the banks on the tidal flat relative to the level of tidal flooding, as well as local sediment supply, seem to be important forcing parameters in chenier development and stages of evolution. On a multi-annual time scale, evolution of this chenier system is influenced by a combination of the 18-year and the 4-year tidal cycles, superimposed on wave activity. During minima of the 18-year cycle, spring tide level is globally lower on the tidal flat, allowing salt marsh progradation and chenier ridge development. During peak periods of the tidal cycle, former barriers are reworked by wave action and experience onshore migration associated with salt marsh erosion. The 4-year tidal cycle coupled with enhanced wave activity is probably responsible for the deposition of large washover units, observed in GPR reflection profiles.

  • Shelly cheniers on a modern macrotidal flat (Mont-Saint-Michel bay, France) -- Internal architecture revealed by ground-penetrating Radar
    Sedimentary Geology, 2012
    Co-Authors: Pierre Weill, Bernadette Tessier, Dominique Mouaze, Chantal Bonnot-courtois, Christophe Norgeot
    Abstract:

    The relationship between short-term morphodynamics and internal structure of shelly chenier ridges is investigated using ground-penetrating Radar and core X-ray analysis, complemented with a comparison of aerial photographs. These cheniers are located on the uppermost part of a macrotidal flat in Mont-Saint- Michel bay (North-Western France). They actively migrate landward over the salt-marshes by washover processes when they are submerged during the coincidence of spring tides and enhanced wave activity. The architecture of the cheniers is imaged using high-frequency Radar Antennas (400 MHz to 2.6 GHz). Three types of cheniers are recognized, featuring differences in morphology and internal structure. The altitude of the banks on the tidal flat relative to the level of tidal flooding, as well as local sediment supply, seem to be important forcing parameters in chenier development and stages of evolution. On a multi-annual time scale, evolution of this chenier system is influenced by a combination of the 18-year and the 4-year tidal cycles, superimposed on wave activity. During minima of the 18-year cycle, spring tide level is globally lower on the tidal flat, allowing salt marsh progradation and chenier ridge development. During peak periods of the tidal cycle, former barriers are reworked by wave action and experience onshore migration associated with salt marsh erosion. The 4-year tidal cycle coupled with enhanced wave activity is probably responsible for the deposition of large washover units, observed in GPR reflection profiles.

Pierre Weill - One of the best experts on this subject based on the ideXlab platform.

  • shelly cheniers on a modern macrotidal flat mont saint michel bay france internal architecture revealed by ground penetrating Radar
    Sedimentary Geology, 2012
    Co-Authors: Pierre Weill, Bernadette Tessier, Dominique Mouaze, Chantal Bonnotcourtois, Christophe Norgeot
    Abstract:

    Abstract The relationship between short-term morphodynamics and internal structure of shelly chenier ridges is investigated using ground-penetrating Radar and core X-ray analysis, complemented with a comparison of aerial photographs. These cheniers are located on the uppermost part of a macrotidal flat in Mont-Saint-Michel bay (North-Western France). They actively migrate landward over the salt-marshes by washover processes when they are submerged during the coincidence of spring tides and enhanced wave activity. The architecture of the cheniers is imaged using high-frequency Radar Antennas (400 MHz to 2.6 GHz). Three types of cheniers are recognized, featuring differences in morphology and internal structure. The altitude of the banks on the tidal flat relative to the level of tidal flooding, as well as local sediment supply, seem to be important forcing parameters in chenier development and stages of evolution. On a multi-annual time scale, evolution of this chenier system is influenced by a combination of the 18-year and the 4-year tidal cycles, superimposed on wave activity. During minima of the 18-year cycle, spring tide level is globally lower on the tidal flat, allowing salt marsh progradation and chenier ridge development. During peak periods of the tidal cycle, former barriers are reworked by wave action and experience onshore migration associated with salt marsh erosion. The 4-year tidal cycle coupled with enhanced wave activity is probably responsible for the deposition of large washover units, observed in GPR reflection profiles.

  • Shelly cheniers on a modern macrotidal flat (Mont-Saint-Michel bay, France) -- Internal architecture revealed by ground-penetrating Radar
    Sedimentary Geology, 2012
    Co-Authors: Pierre Weill, Bernadette Tessier, Dominique Mouaze, Chantal Bonnot-courtois, Christophe Norgeot
    Abstract:

    The relationship between short-term morphodynamics and internal structure of shelly chenier ridges is investigated using ground-penetrating Radar and core X-ray analysis, complemented with a comparison of aerial photographs. These cheniers are located on the uppermost part of a macrotidal flat in Mont-Saint- Michel bay (North-Western France). They actively migrate landward over the salt-marshes by washover processes when they are submerged during the coincidence of spring tides and enhanced wave activity. The architecture of the cheniers is imaged using high-frequency Radar Antennas (400 MHz to 2.6 GHz). Three types of cheniers are recognized, featuring differences in morphology and internal structure. The altitude of the banks on the tidal flat relative to the level of tidal flooding, as well as local sediment supply, seem to be important forcing parameters in chenier development and stages of evolution. On a multi-annual time scale, evolution of this chenier system is influenced by a combination of the 18-year and the 4-year tidal cycles, superimposed on wave activity. During minima of the 18-year cycle, spring tide level is globally lower on the tidal flat, allowing salt marsh progradation and chenier ridge development. During peak periods of the tidal cycle, former barriers are reworked by wave action and experience onshore migration associated with salt marsh erosion. The 4-year tidal cycle coupled with enhanced wave activity is probably responsible for the deposition of large washover units, observed in GPR reflection profiles.

Dominique Mouaze - One of the best experts on this subject based on the ideXlab platform.

  • shelly cheniers on a modern macrotidal flat mont saint michel bay france internal architecture revealed by ground penetrating Radar
    Sedimentary Geology, 2012
    Co-Authors: Pierre Weill, Bernadette Tessier, Dominique Mouaze, Chantal Bonnotcourtois, Christophe Norgeot
    Abstract:

    Abstract The relationship between short-term morphodynamics and internal structure of shelly chenier ridges is investigated using ground-penetrating Radar and core X-ray analysis, complemented with a comparison of aerial photographs. These cheniers are located on the uppermost part of a macrotidal flat in Mont-Saint-Michel bay (North-Western France). They actively migrate landward over the salt-marshes by washover processes when they are submerged during the coincidence of spring tides and enhanced wave activity. The architecture of the cheniers is imaged using high-frequency Radar Antennas (400 MHz to 2.6 GHz). Three types of cheniers are recognized, featuring differences in morphology and internal structure. The altitude of the banks on the tidal flat relative to the level of tidal flooding, as well as local sediment supply, seem to be important forcing parameters in chenier development and stages of evolution. On a multi-annual time scale, evolution of this chenier system is influenced by a combination of the 18-year and the 4-year tidal cycles, superimposed on wave activity. During minima of the 18-year cycle, spring tide level is globally lower on the tidal flat, allowing salt marsh progradation and chenier ridge development. During peak periods of the tidal cycle, former barriers are reworked by wave action and experience onshore migration associated with salt marsh erosion. The 4-year tidal cycle coupled with enhanced wave activity is probably responsible for the deposition of large washover units, observed in GPR reflection profiles.

  • Shelly cheniers on a modern macrotidal flat (Mont-Saint-Michel bay, France) -- Internal architecture revealed by ground-penetrating Radar
    Sedimentary Geology, 2012
    Co-Authors: Pierre Weill, Bernadette Tessier, Dominique Mouaze, Chantal Bonnot-courtois, Christophe Norgeot
    Abstract:

    The relationship between short-term morphodynamics and internal structure of shelly chenier ridges is investigated using ground-penetrating Radar and core X-ray analysis, complemented with a comparison of aerial photographs. These cheniers are located on the uppermost part of a macrotidal flat in Mont-Saint- Michel bay (North-Western France). They actively migrate landward over the salt-marshes by washover processes when they are submerged during the coincidence of spring tides and enhanced wave activity. The architecture of the cheniers is imaged using high-frequency Radar Antennas (400 MHz to 2.6 GHz). Three types of cheniers are recognized, featuring differences in morphology and internal structure. The altitude of the banks on the tidal flat relative to the level of tidal flooding, as well as local sediment supply, seem to be important forcing parameters in chenier development and stages of evolution. On a multi-annual time scale, evolution of this chenier system is influenced by a combination of the 18-year and the 4-year tidal cycles, superimposed on wave activity. During minima of the 18-year cycle, spring tide level is globally lower on the tidal flat, allowing salt marsh progradation and chenier ridge development. During peak periods of the tidal cycle, former barriers are reworked by wave action and experience onshore migration associated with salt marsh erosion. The 4-year tidal cycle coupled with enhanced wave activity is probably responsible for the deposition of large washover units, observed in GPR reflection profiles.

Bernadette Tessier - One of the best experts on this subject based on the ideXlab platform.

  • shelly cheniers on a modern macrotidal flat mont saint michel bay france internal architecture revealed by ground penetrating Radar
    Sedimentary Geology, 2012
    Co-Authors: Pierre Weill, Bernadette Tessier, Dominique Mouaze, Chantal Bonnotcourtois, Christophe Norgeot
    Abstract:

    Abstract The relationship between short-term morphodynamics and internal structure of shelly chenier ridges is investigated using ground-penetrating Radar and core X-ray analysis, complemented with a comparison of aerial photographs. These cheniers are located on the uppermost part of a macrotidal flat in Mont-Saint-Michel bay (North-Western France). They actively migrate landward over the salt-marshes by washover processes when they are submerged during the coincidence of spring tides and enhanced wave activity. The architecture of the cheniers is imaged using high-frequency Radar Antennas (400 MHz to 2.6 GHz). Three types of cheniers are recognized, featuring differences in morphology and internal structure. The altitude of the banks on the tidal flat relative to the level of tidal flooding, as well as local sediment supply, seem to be important forcing parameters in chenier development and stages of evolution. On a multi-annual time scale, evolution of this chenier system is influenced by a combination of the 18-year and the 4-year tidal cycles, superimposed on wave activity. During minima of the 18-year cycle, spring tide level is globally lower on the tidal flat, allowing salt marsh progradation and chenier ridge development. During peak periods of the tidal cycle, former barriers are reworked by wave action and experience onshore migration associated with salt marsh erosion. The 4-year tidal cycle coupled with enhanced wave activity is probably responsible for the deposition of large washover units, observed in GPR reflection profiles.

  • Shelly cheniers on a modern macrotidal flat (Mont-Saint-Michel bay, France) -- Internal architecture revealed by ground-penetrating Radar
    Sedimentary Geology, 2012
    Co-Authors: Pierre Weill, Bernadette Tessier, Dominique Mouaze, Chantal Bonnot-courtois, Christophe Norgeot
    Abstract:

    The relationship between short-term morphodynamics and internal structure of shelly chenier ridges is investigated using ground-penetrating Radar and core X-ray analysis, complemented with a comparison of aerial photographs. These cheniers are located on the uppermost part of a macrotidal flat in Mont-Saint- Michel bay (North-Western France). They actively migrate landward over the salt-marshes by washover processes when they are submerged during the coincidence of spring tides and enhanced wave activity. The architecture of the cheniers is imaged using high-frequency Radar Antennas (400 MHz to 2.6 GHz). Three types of cheniers are recognized, featuring differences in morphology and internal structure. The altitude of the banks on the tidal flat relative to the level of tidal flooding, as well as local sediment supply, seem to be important forcing parameters in chenier development and stages of evolution. On a multi-annual time scale, evolution of this chenier system is influenced by a combination of the 18-year and the 4-year tidal cycles, superimposed on wave activity. During minima of the 18-year cycle, spring tide level is globally lower on the tidal flat, allowing salt marsh progradation and chenier ridge development. During peak periods of the tidal cycle, former barriers are reworked by wave action and experience onshore migration associated with salt marsh erosion. The 4-year tidal cycle coupled with enhanced wave activity is probably responsible for the deposition of large washover units, observed in GPR reflection profiles.

Chantal Bonnot-courtois - One of the best experts on this subject based on the ideXlab platform.

  • Shelly cheniers on a modern macrotidal flat (Mont-Saint-Michel bay, France) -- Internal architecture revealed by ground-penetrating Radar
    Sedimentary Geology, 2012
    Co-Authors: Pierre Weill, Bernadette Tessier, Dominique Mouaze, Chantal Bonnot-courtois, Christophe Norgeot
    Abstract:

    The relationship between short-term morphodynamics and internal structure of shelly chenier ridges is investigated using ground-penetrating Radar and core X-ray analysis, complemented with a comparison of aerial photographs. These cheniers are located on the uppermost part of a macrotidal flat in Mont-Saint- Michel bay (North-Western France). They actively migrate landward over the salt-marshes by washover processes when they are submerged during the coincidence of spring tides and enhanced wave activity. The architecture of the cheniers is imaged using high-frequency Radar Antennas (400 MHz to 2.6 GHz). Three types of cheniers are recognized, featuring differences in morphology and internal structure. The altitude of the banks on the tidal flat relative to the level of tidal flooding, as well as local sediment supply, seem to be important forcing parameters in chenier development and stages of evolution. On a multi-annual time scale, evolution of this chenier system is influenced by a combination of the 18-year and the 4-year tidal cycles, superimposed on wave activity. During minima of the 18-year cycle, spring tide level is globally lower on the tidal flat, allowing salt marsh progradation and chenier ridge development. During peak periods of the tidal cycle, former barriers are reworked by wave action and experience onshore migration associated with salt marsh erosion. The 4-year tidal cycle coupled with enhanced wave activity is probably responsible for the deposition of large washover units, observed in GPR reflection profiles.