Dynamics of a wave-dominated tidal inlet and influence on adjacent beaches, Currumbin Creek, Gold Coast, Australia
Identifieur interne : 003E43 ( PascalFrancis/Corpus ); précédent : 003E42; suivant : 003E44Dynamics of a wave-dominated tidal inlet and influence on adjacent beaches, Currumbin Creek, Gold Coast, Australia
Auteurs : Bruno Castelle ; Julien Bourget ; Nathalie Molnar ; Darrell Strauss ; Sophie Deschamps ; Rodger TomlinsonSource :
- Coastal engineering [ 0378-3839 ] ; 2007.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
Currumbin Creek on the Australian Gold Coast is a wave-dominated tidal inlet which exhibits a particularly active morphology. The recent history of Currumbin Creek entrance has seen rapid growth of the entrance for access to the ocean by fishermen, as a world class surfing site, and as a recreational area. Before the construction of two groynes in the 70's, Currumbin Creek entrance was highly variable in terms of inlet location and sand bar characteristics due to a cyclical behaviour of spit migration. Nowadays, the entrance is stabilised. However, natural processes continue with the entrance infilling causing flood and navigation issues, resulting in a regular dredging program to maintain an open entrance and for regular beach nourishment plans. This paper investigates the behaviour of the entrance and adjacent beaches from aerial photographs and numerical modelling. Before groyne construction, sand by-passing was intense resulting in channel migration and sometimes the closure of the mouth. After training works, the longshore drift is diverted further north from the mouth leading to new circulation patterns behind the headland. During fair weather conditions, the sand transported by the longshore current is trapped by Currumbin rock groyne resulting in a negative sediment budget in Palm Beach. For high energy conditions, the diverted longshore current splits in the southern Palm Beach, resulting in a circulation cell. The sediment of the southern beaches is stirred up and transported both northward and toward the inlet.
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Format Inist (serveur)
NO : | PASCAL 07-0057712 INIST |
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ET : | Dynamics of a wave-dominated tidal inlet and influence on adjacent beaches, Currumbin Creek, Gold Coast, Australia |
AU : | CASTELLE (Bruno); BOURGET (Julien); MOLNAR (Nathalie); STRAUSS (Darrell); DESCHAMPS (Sophie); TOMLINSON (Rodger) |
AF : | Griffith Centre for Coastal Management, Gold Coast Campus. Griffith University, PMB 50 Gold Coast Mail Centre/Queensland 9726/Australie (1 aut., 3 aut., 4 aut., 5 aut., 6 aut.); UMR EPOC 4805, Avenue des Facultes/33405 Talence/France (2 aut.) |
DT : | Publication en série; Niveau analytique |
SO : | Coastal engineering; ISSN 0378-3839; Coden COENDE; Pays-Bas; Da. 2007; Vol. 54; No. 1; Pp. 77-90; Bibl. 49 ref. |
LA : | Anglais |
EA : | Currumbin Creek on the Australian Gold Coast is a wave-dominated tidal inlet which exhibits a particularly active morphology. The recent history of Currumbin Creek entrance has seen rapid growth of the entrance for access to the ocean by fishermen, as a world class surfing site, and as a recreational area. Before the construction of two groynes in the 70's, Currumbin Creek entrance was highly variable in terms of inlet location and sand bar characteristics due to a cyclical behaviour of spit migration. Nowadays, the entrance is stabilised. However, natural processes continue with the entrance infilling causing flood and navigation issues, resulting in a regular dredging program to maintain an open entrance and for regular beach nourishment plans. This paper investigates the behaviour of the entrance and adjacent beaches from aerial photographs and numerical modelling. Before groyne construction, sand by-passing was intense resulting in channel migration and sometimes the closure of the mouth. After training works, the longshore drift is diverted further north from the mouth leading to new circulation patterns behind the headland. During fair weather conditions, the sand transported by the longshore current is trapped by Currumbin rock groyne resulting in a negative sediment budget in Palm Beach. For high energy conditions, the diverted longshore current splits in the southern Palm Beach, resulting in a circulation cell. The sediment of the southern beaches is stirred up and transported both northward and toward the inlet. |
CC : | 226C02; 226C01; 001E01P02; 001E01P01 |
FD : | Onde; Passe intertidale; Plage; Exposition; Morphologie; Croissance; Bras mer; Barre sableuse; Flèche littorale; Migration; Crue; Navigation; Dragage; Programme; Photographie aérienne; Modèle; Sable; Chenal; Circulation; Transport; Courant littoral; Energie; Erosion; Australie |
FG : | Australasie |
ED : | waves; tidal inlets; beaches; exhibits; morphology; growth; inlets; sand bars; spits; migration; floods; navigation; dredging; programs; aerial photography; models; sand; channels; circulation; transport; longshore currents; energy; erosion; Australia |
EG : | Australasia |
SD : | Estrecho mareal; Playa; Morfología; Brazo mar; Espiga litoral; Migración; Crecida; Dragado; Programa; Fotografía aérea; Modelo; Arena; Canal; Transporte; Corriente litoral; Energía; Erosión; Australia |
LO : | INIST-17559.354000159626820060 |
ID : | 07-0057712 |
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Pascal:07-0057712Le document en format XML
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<front><div type="abstract" xml:lang="en">Currumbin Creek on the Australian Gold Coast is a wave-dominated tidal inlet which exhibits a particularly active morphology. The recent history of Currumbin Creek entrance has seen rapid growth of the entrance for access to the ocean by fishermen, as a world class surfing site, and as a recreational area. Before the construction of two groynes in the 70's, Currumbin Creek entrance was highly variable in terms of inlet location and sand bar characteristics due to a cyclical behaviour of spit migration. Nowadays, the entrance is stabilised. However, natural processes continue with the entrance infilling causing flood and navigation issues, resulting in a regular dredging program to maintain an open entrance and for regular beach nourishment plans. This paper investigates the behaviour of the entrance and adjacent beaches from aerial photographs and numerical modelling. Before groyne construction, sand by-passing was intense resulting in channel migration and sometimes the closure of the mouth. After training works, the longshore drift is diverted further north from the mouth leading to new circulation patterns behind the headland. During fair weather conditions, the sand transported by the longshore current is trapped by Currumbin rock groyne resulting in a negative sediment budget in Palm Beach. For high energy conditions, the diverted longshore current splits in the southern Palm Beach, resulting in a circulation cell. The sediment of the southern beaches is stirred up and transported both northward and toward the inlet.</div>
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<fC01 i1="01" l="ENG"><s0>Currumbin Creek on the Australian Gold Coast is a wave-dominated tidal inlet which exhibits a particularly active morphology. The recent history of Currumbin Creek entrance has seen rapid growth of the entrance for access to the ocean by fishermen, as a world class surfing site, and as a recreational area. Before the construction of two groynes in the 70's, Currumbin Creek entrance was highly variable in terms of inlet location and sand bar characteristics due to a cyclical behaviour of spit migration. Nowadays, the entrance is stabilised. However, natural processes continue with the entrance infilling causing flood and navigation issues, resulting in a regular dredging program to maintain an open entrance and for regular beach nourishment plans. This paper investigates the behaviour of the entrance and adjacent beaches from aerial photographs and numerical modelling. Before groyne construction, sand by-passing was intense resulting in channel migration and sometimes the closure of the mouth. After training works, the longshore drift is diverted further north from the mouth leading to new circulation patterns behind the headland. During fair weather conditions, the sand transported by the longshore current is trapped by Currumbin rock groyne resulting in a negative sediment budget in Palm Beach. For high energy conditions, the diverted longshore current splits in the southern Palm Beach, resulting in a circulation cell. The sediment of the southern beaches is stirred up and transported both northward and toward the inlet.</s0>
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<s5>13</s5>
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<s5>13</s5>
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<fC03 i1="13" i2="2" l="SPA"><s0>Dragado</s0>
<s5>13</s5>
</fC03>
<fC03 i1="14" i2="2" l="FRE"><s0>Programme</s0>
<s5>14</s5>
</fC03>
<fC03 i1="14" i2="2" l="ENG"><s0>programs</s0>
<s5>14</s5>
</fC03>
<fC03 i1="14" i2="2" l="SPA"><s0>Programa</s0>
<s5>14</s5>
</fC03>
<fC03 i1="15" i2="2" l="FRE"><s0>Photographie aérienne</s0>
<s5>15</s5>
</fC03>
<fC03 i1="15" i2="2" l="ENG"><s0>aerial photography</s0>
<s5>15</s5>
</fC03>
<fC03 i1="15" i2="2" l="SPA"><s0>Fotografía aérea</s0>
<s5>15</s5>
</fC03>
<fC03 i1="16" i2="2" l="FRE"><s0>Modèle</s0>
<s5>16</s5>
</fC03>
<fC03 i1="16" i2="2" l="ENG"><s0>models</s0>
<s5>16</s5>
</fC03>
<fC03 i1="16" i2="2" l="SPA"><s0>Modelo</s0>
<s5>16</s5>
</fC03>
<fC03 i1="17" i2="2" l="FRE"><s0>Sable</s0>
<s5>17</s5>
</fC03>
<fC03 i1="17" i2="2" l="ENG"><s0>sand</s0>
<s5>17</s5>
</fC03>
<fC03 i1="17" i2="2" l="SPA"><s0>Arena</s0>
<s5>17</s5>
</fC03>
<fC03 i1="18" i2="2" l="FRE"><s0>Chenal</s0>
<s5>18</s5>
</fC03>
<fC03 i1="18" i2="2" l="ENG"><s0>channels</s0>
<s5>18</s5>
</fC03>
<fC03 i1="18" i2="2" l="SPA"><s0>Canal</s0>
<s5>18</s5>
</fC03>
<fC03 i1="19" i2="2" l="FRE"><s0>Circulation</s0>
<s5>19</s5>
</fC03>
<fC03 i1="19" i2="2" l="ENG"><s0>circulation</s0>
<s5>19</s5>
</fC03>
<fC03 i1="20" i2="2" l="FRE"><s0>Transport</s0>
<s5>20</s5>
</fC03>
<fC03 i1="20" i2="2" l="ENG"><s0>transport</s0>
<s5>20</s5>
</fC03>
<fC03 i1="20" i2="2" l="SPA"><s0>Transporte</s0>
<s5>20</s5>
</fC03>
<fC03 i1="21" i2="2" l="FRE"><s0>Courant littoral</s0>
<s5>21</s5>
</fC03>
<fC03 i1="21" i2="2" l="ENG"><s0>longshore currents</s0>
<s5>21</s5>
</fC03>
<fC03 i1="21" i2="2" l="SPA"><s0>Corriente litoral</s0>
<s5>21</s5>
</fC03>
<fC03 i1="22" i2="2" l="FRE"><s0>Energie</s0>
<s5>22</s5>
</fC03>
<fC03 i1="22" i2="2" l="ENG"><s0>energy</s0>
<s5>22</s5>
</fC03>
<fC03 i1="22" i2="2" l="SPA"><s0>Energía</s0>
<s5>22</s5>
</fC03>
<fC03 i1="23" i2="2" l="FRE"><s0>Erosion</s0>
<s5>23</s5>
</fC03>
<fC03 i1="23" i2="2" l="ENG"><s0>erosion</s0>
<s5>23</s5>
</fC03>
<fC03 i1="23" i2="2" l="SPA"><s0>Erosión</s0>
<s5>23</s5>
</fC03>
<fC03 i1="24" i2="2" l="FRE"><s0>Australie</s0>
<s2>NG</s2>
<s5>61</s5>
</fC03>
<fC03 i1="24" i2="2" l="ENG"><s0>Australia</s0>
<s2>NG</s2>
<s5>61</s5>
</fC03>
<fC03 i1="24" i2="2" l="SPA"><s0>Australia</s0>
<s2>NG</s2>
<s5>61</s5>
</fC03>
<fC07 i1="01" i2="2" l="FRE"><s0>Australasie</s0>
</fC07>
<fC07 i1="01" i2="2" l="ENG"><s0>Australasia</s0>
</fC07>
<fC07 i1="01" i2="2" l="SPA"><s0>Australasia</s0>
</fC07>
<fN21><s1>036</s1>
</fN21>
<fN44 i1="01"><s1>OTO</s1>
</fN44>
<fN82><s1>OTO</s1>
</fN82>
</pA>
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<server><NO>PASCAL 07-0057712 INIST</NO>
<ET>Dynamics of a wave-dominated tidal inlet and influence on adjacent beaches, Currumbin Creek, Gold Coast, Australia</ET>
<AU>CASTELLE (Bruno); BOURGET (Julien); MOLNAR (Nathalie); STRAUSS (Darrell); DESCHAMPS (Sophie); TOMLINSON (Rodger)</AU>
<AF>Griffith Centre for Coastal Management, Gold Coast Campus. Griffith University, PMB 50 Gold Coast Mail Centre/Queensland 9726/Australie (1 aut., 3 aut., 4 aut., 5 aut., 6 aut.); UMR EPOC 4805, Avenue des Facultes/33405 Talence/France (2 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Coastal engineering; ISSN 0378-3839; Coden COENDE; Pays-Bas; Da. 2007; Vol. 54; No. 1; Pp. 77-90; Bibl. 49 ref.</SO>
<LA>Anglais</LA>
<EA>Currumbin Creek on the Australian Gold Coast is a wave-dominated tidal inlet which exhibits a particularly active morphology. The recent history of Currumbin Creek entrance has seen rapid growth of the entrance for access to the ocean by fishermen, as a world class surfing site, and as a recreational area. Before the construction of two groynes in the 70's, Currumbin Creek entrance was highly variable in terms of inlet location and sand bar characteristics due to a cyclical behaviour of spit migration. Nowadays, the entrance is stabilised. However, natural processes continue with the entrance infilling causing flood and navigation issues, resulting in a regular dredging program to maintain an open entrance and for regular beach nourishment plans. This paper investigates the behaviour of the entrance and adjacent beaches from aerial photographs and numerical modelling. Before groyne construction, sand by-passing was intense resulting in channel migration and sometimes the closure of the mouth. After training works, the longshore drift is diverted further north from the mouth leading to new circulation patterns behind the headland. During fair weather conditions, the sand transported by the longshore current is trapped by Currumbin rock groyne resulting in a negative sediment budget in Palm Beach. For high energy conditions, the diverted longshore current splits in the southern Palm Beach, resulting in a circulation cell. The sediment of the southern beaches is stirred up and transported both northward and toward the inlet.</EA>
<CC>226C02; 226C01; 001E01P02; 001E01P01</CC>
<FD>Onde; Passe intertidale; Plage; Exposition; Morphologie; Croissance; Bras mer; Barre sableuse; Flèche littorale; Migration; Crue; Navigation; Dragage; Programme; Photographie aérienne; Modèle; Sable; Chenal; Circulation; Transport; Courant littoral; Energie; Erosion; Australie</FD>
<FG>Australasie</FG>
<ED>waves; tidal inlets; beaches; exhibits; morphology; growth; inlets; sand bars; spits; migration; floods; navigation; dredging; programs; aerial photography; models; sand; channels; circulation; transport; longshore currents; energy; erosion; Australia</ED>
<EG>Australasia</EG>
<SD>Estrecho mareal; Playa; Morfología; Brazo mar; Espiga litoral; Migración; Crecida; Dragado; Programa; Fotografía aérea; Modelo; Arena; Canal; Transporte; Corriente litoral; Energía; Erosión; Australia</SD>
<LO>INIST-17559.354000159626820060</LO>
<ID>07-0057712</ID>
</server>
</inist>
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