The Surface Hydrology Polygons (National) dataset presents the spatial locations of surface hydrology polygon features and its attributes. The dataset represents the Australia's surface hydrology at a national scale. It includes natural and man-made geographic features such as: watercourse areas, swamps, reservoirs, canals, etc. This product presents hydrology polygon features which will topological connect with the hydrology line features and forms a complete flow path network for the entire continental of Australia.

This dataset is derived from layers stored in Landgate’s medium scale Topographic Geodatabase (TGDB). They provide a broad view of the states population centres and roads and rivers networks . © Western Australian Land Information Authority (Landgate). Use of Landgate data is subject to Personal Use License terms and conditions unless otherwise authorised under approved License terms and conditions.

This dataset presents locations of regional surface hydrological features in Australia as points at a higher resolution than that of the national dataset. The following features are included in this dataset: Bore - A small diameter hole in the ground for the purpose of obtaining subterranean water by natural flow or mechanical pumping. Dam - An open body of water collected and stored behind a constructed barrier consisting of earth, rock, concrete and/or masonry. Generally designed to capture run-off from the surrounding landscape or rainfall. The storage of water may occur on or below ground level. Lock - An enclosure in a water body with gates at both ends to raise or lower the water level to enable vessels to pass from one level to another. Gnamma Hole - Small holes of varying shape, diameter and depth, found in hard granite outcrops and in the decomposed granite of a breakaway, which can and usually does hold water. Native Well - An isolated natural depression which holds water, not within Watercourses. The natural phenomena is sometimes improved by indigenous persons for their own water collection purposes. Pool - A small body of still or standing water, permanent or temporary in an isolated natural depression, not within Watercourses. Rockhole - A hole excavated in solid rock by water action. Soak - A depression holding moisture after rain, especially the damp or swamp spots around the base of granite rocks. Spring - A place where water issues from the ground naturally. Waterfall Point - A sudden descent of water over a step or ledge in the bed of a watercourse. Waterhole - A natural depression which holds perennial water, within a non-perennial watercourse or a non-perennial lake. Water Tank - Water Tanks are storage containers for water, usually used for human consumption and other purposes such as irrigation, agriculture, fire suppression, agricultural farming and livestock, chemical manufacturing and food preparation. Water Tanks are constructed of various materials including plastic (polyethylene or polypropylene), fiberglass, reinforced concrete, steel (welded or bolted, carbon or stainless). Those used for human consumption are generally fully enclosed. For more information please visit the Geoscience Australia Web Service Portal. Please note: This dataset is a snapshot of Geoscience Australia's web service dataset as on 2019-03-12

__The link: * Access the data directory* is available in the section*Dataset description sheets; Additional information*__. As part of the provincial LiDAR sensor data acquisition project, a topographic humidity index or *Topographic Wetness Index* (TWI) was produced from the digital terrain model derived from aerial LiDAR (*Light Detection and Ranging*). The matrix layers thus produced provide information on the potential for water accumulation on the territory as a function of the slope and accumulation at a given pixel.**This third party metadata element was translated using an automated translation tool (Amazon Translate).**