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首页> 外文期刊>Australian Journal of Earth Sciences >Geoheritage values of consanguineous wetland suites on the Swan Coastal Plain, Western Australia
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Geoheritage values of consanguineous wetland suites on the Swan Coastal Plain, Western Australia

机译:西澳大利亚州天鹅沿海平原近邻湿地套房的地磁价值

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摘要

A wide range of wetland types occur on the Swan Coastal Plain of Western Australia. They vary from basins, and flats, to slopes and channels, and vary in size, shape, water characteristics, sediment types, stratigraphy, vegetation, origin, and maintenance processes. The wetlands range from large linear lakes to small round or irregular seasonally damp wetland basins to seasonally flooded flats, to seasonally flooded or permanently flowing channels. Salinity ranges from fresh to saline to hyposaline; and recharge mechanisms from perching of surface-water to wetting and inundation by groundwater, as determined by regional features such as geology, geomorphology, soils, climate and hydrology, and local physical/chemical processes. The Swan Coastal Plain presents a bewildering array, diversity, and complexity of wetlands, but patterns and ordering can be recognised if the wetlands are aggregated into natural groups. The wetlands, in fact, have been aggregated into natural groupings termed consanguineous suites', resulting in some 30 different formally named wetland suites related to geomorphic setting varying, for instance, from interdune depressions on a beach-ridge plain (the Becher Suite), to karst-formed linear lakes in limestone-ridge country (the Yanchep Suite), to irregular to round, semi-interconnected basins on a quartz sand subdued dune system (the Jandakot Suite), to linear and round basins formed along the hydrological contact between limestone and quartz sand (the Bibra Suite), among others. The variety of wetland types on the Swan Coastal Plain represents geodiversity that needs to be addressed in geoheritage assessments of the State of Western Australia. Further, as repositories of Holocene to Pleistocene sedimentary sequences, the wetlands present significant reservoirs of information on wetland history, climate changes, and hydrochemical history, and are templates on wetland maintenance and functioning, diagnostic for their geologic/geomorphic setting u
机译:在西澳州的天鹅沿海平原上发生了各种湿地类型。它们因盆地和公寓而异,倾斜和通道,并且尺寸,形状,水特性,沉积物类型,地层,植被,原产地和维护过程各不相同。湿地的范围从大型线性湖泊到小圆形或不规则的季节性潮湿的湿地盆地到季节性淹没的单位,以季节性淹没或永久流动的渠道。盐度从新鲜到盐水到脓肿;通过地下水栖息到地下水的地下水咀嚼和淹没的充电机制,如地质,地貌,土壤,气候和水文等地区特征,以及局部物理/化学过程所确定的。天鹅沿海平原呈现出令人眼花缭乱的阵列,多样性和湿地的复杂性,但如果湿地聚集到自然组中,可以认识到图案和订购。事实上,湿地已经被汇总成了血缘套房的自然分类,导致了大约30种不同的名为与地貌设定不同的湿地套房,例如,从海滩岭平原(BECHER SUITE)上的跨天者凹陷,在石灰石岭国家(Yanchep Suite)的喀斯特成型线性湖泊上,以石英砂泡沫系统(Jandakot Suite)对圆形,半互连的盆地(Jandakot Suite),沿着水文接触形成的线性和圆形盆地石灰石和石英砂(Bibra Suite)等。天鹅沿海平原上的各种湿地类型代表了在澳大利亚州的Geoheretage评估中需要解决的大型大学。此外,作为全新世到全新世沉积序列的储存库,湿地提出了关于湿地历史,气候变化和水化学史的信息的重要信息,以及湿地维护和运作,对其地质/地貌设置诊断的模板

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