chart datum level 中文意思是什麼
chart datum level
解釋
海圖基準面海圖基準線-
A rather large spring tide occurred on july 4, 2004. on that occasion, the lowest sea level recorded in victoria harbour was 0. 07 metre below chart datum and a few ferries experienced difficulty while berthing
二四年七月四日亦出現了一次較大的大潮,當日維多利亞港錄得的最低水位為海圖基準面以下0 -
According to the hong kong observatory s tidal records at the tai po kau tide gauge station, the highest sea level was 2. 94 metres above chart datum on that day
根據香港天文臺大埔?測潮站的記錄,當日的最高水位為海圖基準面以上2 . 94米。 -
Chart datum : the level to which soundings or tide heights are referenced
海圖基準面:測量水深或潮水高度的基礎高度。 -
Water level in the tolo harbour was as high as 5. 4 metres above chart datum as compared with the normal high tide of 2. 2
吐露港的潮水高度竟達海圖基準面以上5 . 4米,而正常的漲潮只有2 . 2米。 -
All depths in sea refer to the chart datum which is 1. 38 metres below the mean sea level
所有水深均以海圖水平基準為計算根據,該基準位於平均海平面以下1
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