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- Trial trenching is a rapid and relatively inexpensive method of archaeological evaluation used to estimate the archaeological potential of a site. Trenches are located at intervals across a site leaving the rest untouched. A mechanical excavator is used to dig down to archaeological features or natural geological deposits and any archaeology is recorded. No further excavation takes place at this stage. The results of the trial trenching are used to inform any future stage of work which may extend to full excavation of the rest of the site if the evaluation reveals significant finds. There is some argument over the to be employed in trial trenching, especially in evaluating sites that are intended for development. Issues such as the effectiveness of certain trench layouts or the percentage of the site to be dug (normally around 5% at present) are widely discussed. Whether an effective picture of past human activity on a site can be truly estimated through this methods is widely debated. Development can destroy buried archaeology forever and a reliable evaluation methodology is very important. Whilst it is difficult to quantify the number of false negative results there have certainly been examples of evaluations suggesting a relatively limited amount of past activity which has had to be upwardly revised during the excavation. In the UK the results of the trial trenching will be used to inform the decision on the need for any further archaeological work to be undertaken prior to development. This process is enshrined in the National Planning Policy Framework (NPPF). (en)
- 考古学におけるトレンチ（Trench,試掘坑,en：trial[test] trench ）とは、遺跡の有無や遺構の分布状況を迅速かつ安価に把握して、発掘調査や遺跡の性質を判断するために掘られる溝のことをいい、試掘調査（trial excavations）の方法のひとつである。具体的には表面の耕作土などを除去するために掘られる溝である。元々トレンチとは塹壕という意味での溝のことを指す。 また地質学において必要に応じて地震や活断層の履歴を知るために掘削する溝のこともトレンチという（トレンチ調査 (地質学)）。 (ja)
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- 考古学におけるトレンチ（Trench,試掘坑,en：trial[test] trench ）とは、遺跡の有無や遺構の分布状況を迅速かつ安価に把握して、発掘調査や遺跡の性質を判断するために掘られる溝のことをいい、試掘調査（trial excavations）の方法のひとつである。具体的には表面の耕作土などを除去するために掘られる溝である。元々トレンチとは塹壕という意味での溝のことを指す。 また地質学において必要に応じて地震や活断層の履歴を知るために掘削する溝のこともトレンチという（トレンチ調査 (地質学)）。 (ja)
- Trial trenching is a rapid and relatively inexpensive method of archaeological evaluation used to estimate the archaeological potential of a site. Trenches are located at intervals across a site leaving the rest untouched. A mechanical excavator is used to dig down to archaeological features or natural geological deposits and any archaeology is recorded. No further excavation takes place at this stage. The results of the trial trenching are used to inform any future stage of work which may extend to full excavation of the rest of the site if the evaluation reveals significant finds. (en)
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- Trial trenching (en)
- トレンチ調査 (考古学) (ja)
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