Difference between revisions of "Buoys"

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<b style="font-size: large;">Buoys:</b><span class="c16">    There are two main classes of buoys: drifting and moored.  </span><br/>
 
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<span class="c33">    As the name implies,  </span><b>drifting buoys</b><span class="c16">    are not anchored to the seafloor. They are typically used to study currents and circulation patterns. A drogue (a cylindrical or funnel-shaped device) is sometimes added to have the surface buoy follow a subsurface current.  </span><br/>
<b style="font-size: large;">Buoys:</b><span class="c17 c15 c24">    There are two main classes of buoys: drifting and moored.  </span><br/>
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<b>Subsurface drifting buoys</b><span class="c33">    , or  </span><b>floats</b><span class="c16">    , usually have variable buoyancy engines to descend to a predetermined depth where they follow this current and possibly collect environmental data.  </span><br/>
 
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<span class="c33">    The buoyancy engine is programmed to occasionally bring the float to the surface where it can  </span><span class="c15">[https://www.google.com/url?q=https://ocean-innovations.net/resources/marinetech/glossary-marine-technology-terms/%23data-telemetry&amp;sa=D&amp;source=editors&amp;ust=1700238298380661&amp;usg=AOvVaw1CInFJCX3_bgbBuMmd3Nnv telemeter]</span><span class="c16">    its data back to shore. (A telemeter is an electrical apparatus for measuring a quantity—such as pressure, speed, or temperature—and transmitting the result especially by radio to a distant station.) Trajectories of individual floats show how the water moves horizontally, and trajectories of groups of floats show how the water is mixed by eddies. This information is important for understanding how water tracers and pollutants are transported by the ocean. The Advanced    <br/>    Research and Global Observation Satellite (ARGOS) program is a large multinational effort to put thousands of floats in the world’s oceans.  </span><br/>
<span class="c17 c24">    As the name implies,  </span><b>drifting buoys</b><span class="c17 c15 c24">    are not anchored to the seafloor. They are typically used to study currents and circulation patterns. A drogue (a cylindrical or funnel-shaped device) is sometimes added to have the surface buoy follow a subsurface current.  </span><br/>
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<b>Moored buoys</b><span class="c16">    are used for many purposes.    <br/>    Some of the most common uses are:  </span><br/>
 
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<span class="c31">    •  </span><span class="c43"></span><b>Aids to Navigation</b><span class="c16">    (ATON)—used to mark hazards to mariners, harbor entrances and other navigable channels.  </span><br/>
<b>Subsurface drifting buoys</b><span class="c17 c24">    , or  </span><b>floats</b><span class="c17 c15 c24">    , usually have variable buoyancy engines to descend to a predetermined depth where they follow this current and possibly collect environmental data.  </span><br/>
+
<span class="c31">    •  </span><span class="c43"></span><b>Data Collection Platforms</b><span class="c16">    —Mooredbuoys make excellent platforms for collecting data at one location anywhere in the ocean on time scales ranging from weeks to years. Sensors and instruments can be mounted anywhere from the seafloor on up to masts installed on the top of the mooring float  </span><br/>
 
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<span class="c31">    •  </span><span class="c43"></span><b>Marker Buoys</b><span class="c16">    —used to relocate objects on the seafloor  </span><br/>
<span class="c17 c24">    The buoyancy engine is programmed to occasionally bring the float to the surface where it can  </span><span class="c14">[https://www.google.com/url?q=https://ocean-innovations.net/resources/marinetech/glossary-marine-technology-terms/%23data-telemetry&amp;sa=D&amp;source=editors&amp;ust=1698879626502897&amp;usg=AOvVaw2pg-OTJ4_xOYbx_QZJpGRs telemeter]</span><span class="c17 c15 c24">    its data back to shore. (A telemeter is an electrical apparatus for measuring a quantity—such as pressure, speed, or temperature—and transmitting the result especially by radio to a distant station.) Trajectories of individual floats show how the water moves horizontally, and trajectories of groups of floats show how the water is mixed by eddies. This information is important for understanding how water tracers and pollutants are transported by the ocean. The Advanced    <br/>    Research and Global Observation Satellite (ARGOS) program is a large multinational effort to put thousands of floats in the world’s oceans.  </span><br/>
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<span class="c31">    •  </span><span class="c43"></span><b>Ship Moorings</b><span class="c16">    —typically used to moor large commercial or military ships when dock space is not available or near-shore waters are too shallow. Also used for offshore  </span><br/>
 
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<span class="c16">    Other special types of buoys are:  </span><br/>
<b>Moored buoys</b><span class="c17 c15 c24">    are used for many purposes.    <br/>    Some of the most common uses are:  </span><br/>
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<b>Subsurface buoys</b><span class="c16">    : used when surface measurements are not required. They also eliminate vandalism, which can be a big problem with surface buoys.  </span><br/>
 
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<b>Self-deployed buoys</b><span class="c16">    have the anchor, line and sensors packaged in a compact assembly. Air deployed buoys are dropped from a plane.  </span><br/>
<span class="c21">    •  </span><span class="c41 c24"></span><b>Aids to Navigation</b><span class="c17 c15 c24">    (ATON)—used to mark hazards to mariners, harbor entrances and other navigable channels.  </span><br/>
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<span class="c16">    Moored buoys come in a wide variety of shapes and sizes. Hull forms include disk, sphere, cone, boat hull and spar. The typical moored buoy consists of:  </span><br/>
 
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<span class="c31">    •  </span><span class="c43"></span><span class="c16">    Tower for mounting antennas, sensors and solar panels  </span><br/>
<span class="c21">    •  </span><span class="c41 c24"></span><b>Data Collection Platforms</b><span class="c17 c15 c24">    —Mooredbuoys make excellent platforms for collecting data at one location anywhere in the ocean on time scales ranging from weeks to years. Sensors and instruments can be mounted anywhere from the seafloor on up to masts installed on the top of the mooring float  </span><br/>
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<span class="c31">    •  </span><span class="c43"></span><span class="c16">    Float, usually has a well containing batteries  </span><br/>
 
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<span class="c31">    •  </span><span class="c43"></span><span class="c16">    Bridle for attaching the mooring line  </span><br/>
<span class="c21">    •  </span><span class="c41 c24"></span><b>Marker Buoys</b><span class="c17 c15 c24">    —used to relocate objects on the seafloor  </span><br/>
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<span class="c31">    •  </span><span class="c43"></span><span class="c16">    Mooring line to connect the bridle to the anchor  </span><br/>
 
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<span class="c31">    •  </span><span class="c43"></span><span class="c16">    Anchor  </span><br/>
<span class="c21">    •  </span><span class="c41 c24"></span><b>Ship Moorings</b><span class="c17 c15 c24">    —typically used to moor large commercial or military ships when dock space is not available or near-shore waters are too shallow. Also used for offshore  </span><br/>
+
<span class="c16">    Moored buoys are important to the marine technologist because they make excellent platforms for collecting data anywhere in the ocean on time scales ranging from weeks to years. Sensors and instruments can be mounted anywhere from the seafloor on up to masts installed on the top of the mooring float. Anchors are connected to holding lines with acoustic couplings that are released to recall the instruments. Flotation holds the instruments and their tether line upright in the water column and brings them to the surface on release.  </span>
 
 
<span class="c17 c15 c24">    Other special types of buoys are:  </span><br/>
 
 
 
<b>Subsurface buoys</b><span class="c17 c15 c24">    : used when surface measurements are not required. They also eliminate vandalism, which can be a big problem with surface buoys.  </span><br/>
 
 
 
<b>Self-deployed buoys</b><span class="c17 c15 c24">    have the anchor, line and sensors packaged in a compact assembly. Air deployed buoys are dropped from a plane.  </span><br/>
 
 
 
<span class="c17 c15 c24">    Moored buoys come in a wide variety of shapes and sizes. Hull forms include disk, sphere, cone, boat hull and spar. The typical moored buoy consists of:  </span><br/>
 
 
 
<span class="c21">    •  </span><span class="c41 c24"></span><span class="c17 c15 c24">    Tower for mounting antennas, sensors and solar panels  </span><br/>
 
 
 
<span class="c21">    •  </span><span class="c41 c24"></span><span class="c17 c15 c24">    Float, usually has a well containing batteries  </span><br/>
 
 
 
<span class="c21">    •  </span><span class="c41 c24"></span><span class="c17 c15 c24">    Bridle for attaching the mooring line  </span><br/>
 
 
 
<span class="c21">    •  </span><span class="c41 c24"></span><span class="c17 c15 c24">    Mooring line to connect the bridle to the anchor  </span><br/>
 
 
 
<span class="c21">    •  </span><span class="c41 c24"></span><span class="c17 c15 c24">    Anchor  </span><br/>
 
 
 
<span class="c17 c15 c24">    Moored buoys are important to the marine technologist because they make excellent platforms for collecting data anywhere in the ocean on time scales ranging from weeks to years. Sensors and instruments can be mounted anywhere from the seafloor on up to masts installed on the top of the mooring float. Anchors are connected to holding lines with acoustic couplings that are released to recall the instruments. Flotation holds the instruments and their tether line upright in the water column and brings them to the surface on release.  </span>
 
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<br/>
 
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Revision as of 22:29, 29 November 2023

Buoys: There are two main classes of buoys: drifting and moored.
As the name implies, drifting buoys are not anchored to the seafloor. They are typically used to study currents and circulation patterns. A drogue (a cylindrical or funnel-shaped device) is sometimes added to have the surface buoy follow a subsurface current.
Subsurface drifting buoys , or floats , usually have variable buoyancy engines to descend to a predetermined depth where they follow this current and possibly collect environmental data.
The buoyancy engine is programmed to occasionally bring the float to the surface where it can telemeter its data back to shore. (A telemeter is an electrical apparatus for measuring a quantity—such as pressure, speed, or temperature—and transmitting the result especially by radio to a distant station.) Trajectories of individual floats show how the water moves horizontally, and trajectories of groups of floats show how the water is mixed by eddies. This information is important for understanding how water tracers and pollutants are transported by the ocean. The Advanced
Research and Global Observation Satellite (ARGOS) program is a large multinational effort to put thousands of floats in the world’s oceans.

Moored buoys are used for many purposes.
Some of the most common uses are:

Aids to Navigation (ATON)—used to mark hazards to mariners, harbor entrances and other navigable channels.
Data Collection Platforms —Mooredbuoys make excellent platforms for collecting data at one location anywhere in the ocean on time scales ranging from weeks to years. Sensors and instruments can be mounted anywhere from the seafloor on up to masts installed on the top of the mooring float
Marker Buoys —used to relocate objects on the seafloor
Ship Moorings —typically used to moor large commercial or military ships when dock space is not available or near-shore waters are too shallow. Also used for offshore
Other special types of buoys are:
Subsurface buoys  : used when surface measurements are not required. They also eliminate vandalism, which can be a big problem with surface buoys.
Self-deployed buoys have the anchor, line and sensors packaged in a compact assembly. Air deployed buoys are dropped from a plane.
Moored buoys come in a wide variety of shapes and sizes. Hull forms include disk, sphere, cone, boat hull and spar. The typical moored buoy consists of:
Tower for mounting antennas, sensors and solar panels
Float, usually has a well containing batteries
Bridle for attaching the mooring line
Mooring line to connect the bridle to the anchor
Anchor
Moored buoys are important to the marine technologist because they make excellent platforms for collecting data anywhere in the ocean on time scales ranging from weeks to years. Sensors and instruments can be mounted anywhere from the seafloor on up to masts installed on the top of the mooring float. Anchors are connected to holding lines with acoustic couplings that are released to recall the instruments. Flotation holds the instruments and their tether line upright in the water column and brings them to the surface on release.