Estuarine and Coastal Marine Science最新文献

{"title":"","authors":"T.R.S. Wilson","doi":"10.1016/S0302-3524(80)80079-X","DOIUrl":"10.1016/S0302-3524(80)80079-X","url":null,"abstract":"","PeriodicalId":100492,"journal":{"name":"Estuarine and Coastal Marine Science","volume":"10 5","pages":"Pages 587-588"},"PeriodicalIF":0.0,"publicationDate":"1980-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0302-3524(80)80079-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86643674","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Observations of wind-waves and swell at an exposed coastal location","authors":"J.A. Ewing","doi":"10.1016/S0302-3524(80)80074-0","DOIUrl":"10.1016/S0302-3524(80)80074-0","url":null,"abstract":"<div><p>Wave measurements have been made with a waverider buoy 20 km off South Uist for a period of one year in conjunction with wind measurements obtained from a nearby meteorological station on land. A knowledge of the local wind speed usually makes it possible to identify the wind-sea and swell regions of the wave spectrum. A study of fetch-limited waves caused by east winds shows, after wind speed measurements over land are adjusted to be representative of conditions over the sea, that the main characteristics of wind generated waves agree with fetch-limited relations found in the Joint North Sea Wave Project. At longer fetches, and also for waves generated by west winds, the wave height and period of the wind waves are consistent with fully developed values derived for the Pierson-Moskowitz spectrum. Swell waves at South Uist are considered in relation to winds at ocean weather station Lima. The amplitude of the fluctuations in swell heights is found to be linearly related to the onshore component of wind speed at station Lima.</p></div>","PeriodicalId":100492,"journal":{"name":"Estuarine and Coastal Marine Science","volume":"10 5","pages":"Pages 543-554"},"PeriodicalIF":0.0,"publicationDate":"1980-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0302-3524(80)80074-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78836079","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"","authors":"A.P. Carr","doi":"10.1016/S0302-3524(80)80078-8","DOIUrl":"10.1016/S0302-3524(80)80078-8","url":null,"abstract":"","PeriodicalId":100492,"journal":{"name":"Estuarine and Coastal Marine Science","volume":"10 5","pages":"Pages 586-587"},"PeriodicalIF":0.0,"publicationDate":"1980-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0302-3524(80)80078-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81097486","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"","authors":"J.B. Wilson","doi":"10.1016/S0302-3524(80)80080-6","DOIUrl":"10.1016/S0302-3524(80)80080-6","url":null,"abstract":"","PeriodicalId":100492,"journal":{"name":"Estuarine and Coastal Marine Science","volume":"10 5","pages":"Page 588"},"PeriodicalIF":0.0,"publicationDate":"1980-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0302-3524(80)80080-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"108882959","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A statistical method to estimate the biochemical composition of phytoplankton in the Southern Bight of the North Sea","authors":"Christiane Lancelot-Van Beveren","doi":"10.1016/S0302-3524(80)80069-7","DOIUrl":"10.1016/S0302-3524(80)80069-7","url":null,"abstract":"<div><p>The knowledge of changes in the biochemical composition of phytoplankton and its degraded products is regarded as important for the understanding of an eco-system because it influences the heterotrophic activities of the seawater column and/or sediments.</p><p>The linear regressions method of some specific metabolite (protein, carbohydrate, lipid) on chlorophyll <em>a</em> is considered as the better method to estimate the biochemical composition of natural phytoplankton in the coastal area of the Southern Bight of the North Sea. The validity of this statistical method depends on a correct assemblage of the results in time and space, and requires a good knowledge of the growth conditions of the phytoplankton cells. This essential condition is however difficult to realize for post-bloom periods where the growth conditions are more heterogeneous.</p><p>The linear regressions lead on the one hand to the quantification of two components of the total particulate organic matter (phytoplankton and bacteria/detritus) and on the other hand to their biochemical characterization. The comparison of the biochemical composition of the two components shows that bacteria/detritus component has an effective nutritive value when phytoplankton is less abundant.</p><p>The study of the influence of changes in the environmental conditions (light intensity and nitrogen availability), on the biochemical composition of the phytoplankton shows a similar protein content of about 50% when nitrogen is not limiting. On the other hand, a change in the light intensity does not change the biochemical composition of natural phytoplankton but increases the cellular chlorophyll content when nitrogen is sufficient to ensure a good phytoplanktonic growth.</p></div>","PeriodicalId":100492,"journal":{"name":"Estuarine and Coastal Marine Science","volume":"10 5","pages":"Pages 467-478"},"PeriodicalIF":0.0,"publicationDate":"1980-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0302-3524(80)80069-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78779629","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Trace metal concentrations in sediment cores from the continental shelf off the South-Eastern United States","authors":"M.H. Bothner ,&nbsp;P.J. Aruscavage ,&nbsp;W.M. Ferrebee ,&nbsp;P.A. Baedecker","doi":"10.1016/S0302-3524(80)80073-9","DOIUrl":"10.1016/S0302-3524(80)80073-9","url":null,"abstract":"<div><p>The concentrations of 32 metals in sediment cores collected from the Continental Shelf off the south-eastern United States are generally uniform with depth. These sediments are predominantly sand with very low organic carbon throughout the core length. The metal concentrations are low compared to those found in average sandstone and to average crustal abundances, and small variations correlate with variations in texture, and in amount of calcium carbonate and organic carbon. No evidence of accumulation of anthropogenic metals was found in these sediments. The data presented are the first compilation of trace metal concentrations in sediment cores of this area and provide a basis for determining the magnitude of future trace metal deposition in these sediments.</p></div>","PeriodicalId":100492,"journal":{"name":"Estuarine and Coastal Marine Science","volume":"10 5","pages":"Pages 523-541"},"PeriodicalIF":0.0,"publicationDate":"1980-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0302-3524(80)80073-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73818965","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"","authors":"A.P. Carr","doi":"10.1016/S0302-3524(80)80077-6","DOIUrl":"10.1016/S0302-3524(80)80077-6","url":null,"abstract":"","PeriodicalId":100492,"journal":{"name":"Estuarine and Coastal Marine Science","volume":"10 5","pages":"Pages 585-586"},"PeriodicalIF":0.0,"publicationDate":"1980-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0302-3524(80)80077-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"99856959","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The study of a natural hypersaline lagoon in a desert area (the Bardawil Lagoon in Northern Sinai)","authors":"Boris S. Krumgalz,&nbsp;Hava Hornung,&nbsp;Oton H. Oren","doi":"10.1016/S0302-3524(80)80120-4","DOIUrl":"10.1016/S0302-3524(80)80120-4","url":null,"abstract":"<div><p>The hypersaline Bardawil Lagoon, situated on the Mediterranean coast of the Sinai Peninsula, was studied. Seven environmental parameters (water temperature, salinity, pH, calcium and magnesium ion concentrations, content of dissolved oxygen and micronutrients) were monitored. The magnesium/salinity and calcium/salinity ratios of the brines of the Bardawil Lagoon (0·0386₈±0·0002₇ and 0·0114₂±0·0002₂ g l⁻¹ (S ‰)⁻¹, respectively) are equal to the ratios for Mediterranean seawater and are in good agreement with literature values for other oceans and seas. The process of the formation of the Bardawil Lagoon water body was modelled in laboratory conditions. The results of this study, the constancy of the magnesium/salinity and calcium/salinity ratios and their identical values to those of Mediterranean sea water show that the brines of the Bardawil Lagoon were formed by mere evaporation of Mediterranean seawater without the interference of other non-marine water sources except rain water.</p></div>","PeriodicalId":100492,"journal":{"name":"Estuarine and Coastal Marine Science","volume":"10 4","pages":"Pages 403-415"},"PeriodicalIF":0.0,"publicationDate":"1980-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0302-3524(80)80120-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74874255","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"In situ determination of suspended particulate matter and dissolved organic matter concentrations in an estuarine environment by means of an optical beam attenuance meter","authors":"G.V. Winters,&nbsp;D.E. Buckley","doi":"10.1016/S0302-3524(80)80124-1","DOIUrl":"10.1016/S0302-3524(80)80124-1","url":null,"abstract":"<div><p>An optical technique was developed for the <em>in situ</em> estimation of estuarine suspended particulate matter (SPM) and dissolved organic matter (DOM) concentrations in water. Measurements were made in the laboratory and the field, and attenuance coefficients were determined at wavelength bands centered at 475 nm and at 680 nm. Laboratory measurement of attenuance caused by Kaolinite suspensions and humic acid solutions were used to determine the wavelength selectivity or the 475 nm/680 nm band ratio for SPM and DOM.</p><p>The light attenuated by kaolinite suspensions and SPM is attributed to both absorbance and scattering (<em>A</em>^λ_<em>p</em>+<em>B_p</em>), but for dissolved humic acid, it is attributed only to absorbance, (<em>A</em>^λ_<em>y</em>). The optical band attenuance ratio (<em>K</em>) is constant for each type of substance, i.e. <em>K_p</em> = (<em>A</em>⁴⁷⁵_<em>p</em> + <em>B_p</em>)/(<em>A</em>⁶⁸⁰_<em>p</em> + <em>B_p</em>) and <em>K_p</em> = <em>A</em>⁴⁷⁵_<em>y</em>/<em>A</em>⁶⁸⁰_<em>p</em>. The factor <em>K_p</em> is dependent on the average particle characteristics and is constant for a given water mass. In this study <em>K_p</em> for the kaolinite and SPM was 1·2, and <em>K_y</em> was found to be 7·2 for dissolved humic acid.</p><p>Mathematical expressions, applicable to complex aqueous mixtures were formulated to differentiate between changes in attenuance coefficients resulting from (1) concentration variations of kaolinite suspensions or SPM and (2) dissolved humic acid or DOM [(<em>A</em>⁶⁸⁰_<em>p</em> + <em>B_p</em>) and <em>A</em>⁴⁷⁵_<em>y</em>, respectively].</p><p><span><math><mtable><mtr><mtd><mo>(</mo><msubsup><mi>A</mi><mi>p</mi><mrow><mn>680</mn></mrow></msubsup><mo>+</mo><msub><mi>B</mi><mi>y</mi></msub><mo>)</mo><mo>=</mo><mo>(</mo><msub><mi>K</mi><mi>y</mi></msub><msup><mi>C</mi><mrow><mn>680</mn></mrow></msup><mo>−</mo><msup><mi>C</mi><mrow><mn>475</mn></mrow></msup><mo>)</mo><mo>/</mo><mo>(</mo><msub><mi>K</mi><mi>y</mi></msub><mo>−</mo><msub><mi>K</mi><mi>p</mi></msub><mo>)</mo></mtd></mtr><mtr><mtd><msubsup><mo>A</mo><mi>y</mi><mrow><mn>475</mn></mrow></msubsup><mo>=</mo><mo>(</mo><msup><mi>C</mi><mrow><mn>475</mn></mrow></msup><mo>−</mo><msub><mi>K</mi><mi>p</mi></msub><msup><mi>C</mi><mrow><mn>680</mn></mrow></msup><mo>)</mo><mo>/</mo><mo>(</mo><mi>I</mi><mo>−</mo><msub><mi>K</mi><mi>p</mi></msub><mo>/</mo><msub><mi>K</mi><mi>y</mi></msub><mo>)</mo></mtd></mtr></mtable></math></span></p></div>","PeriodicalId":100492,"journal":{"name":"Estuarine and Coastal Marine Science","volume":"10 4","pages":"Pages 455-466"},"PeriodicalIF":0.0,"publicationDate":"1980-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0302-3524(80)80124-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81615924","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Growth, respiration and tentative energy budgets for two populations of the sea urchin Parechinus angulosus (Leske)","authors":"P.J. Greenwood","doi":"10.1016/S0302-3524(80)80116-2","DOIUrl":"10.1016/S0302-3524(80)80116-2","url":null,"abstract":"<div><p>The common sea urchin <em>Parechinus angulosus</em> is the dominant herbivore in the southern African kelp beds. Being an integral part of the kelp bed ecosystem, its impact on the system was estimated in terms of its energy budget. Two populations existing under differing temperature regimes were studied. Somatic growth rates were shown to take a sigmoid form and appeared to be governed by type of food consumed and gonad development, there being a seasonal inverse relationship between gonad growth and body growth. Respiration rates are governed by temperature in sexually immature individuals and by the state of the gonads in sexually mature animals. There is a diurnal fluctuation in respiration rate. There is a marked difference in the consumption rates of the two populations, which may be related to the temperature differences at the two sites.</p></div>","PeriodicalId":100492,"journal":{"name":"Estuarine and Coastal Marine Science","volume":"10 4","pages":"Pages 347-367"},"PeriodicalIF":0.0,"publicationDate":"1980-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0302-3524(80)80116-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73689013","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}