为什么在哈德逊湾相对海平面下降?- 江南体育网页版- - - - -地球科学堆江南电子竞技平台栈交换 最近30从www.hoelymoley.com 2023 - 07 - 09 - t01:32:05z //www.hoelymoley.com/feeds/question/4728 https://creativecommons.org/licenses/by-sa/4.0/rdf //www.hoelymoley.com/q/4728 29日 为什么在哈德逊湾相对海平面下降? Lucian09474 //www.hoelymoley.com/users/1034 2015 - 04 - 22 - t19:32:07z 2022 - 01 - 27 t18:38:30z < p > < img src = " https://i.stack.imgur.com/SY7gr.png " alt = "哈得逊湾相对海平面数据" > < / p > < p >为什么是哈德逊湾的海平面下降这么多?哈德逊湾北非常远,更接近冰川。将它意义的消退和淡水的来源相对接近这个水平吗?< / p > //www.hoelymoley.com/questions/4728/-/4729 # 4729 14 由user2821回答为什么在哈德逊湾相对海平面下降? user2821 //www.hoelymoley.com/users/2536 2015 - 04 - 22 - t19:42:35z 2015 - 04 - 22 - t19:47:43z < p >,因为冰川后反弹。软流层是按下< a href = " http://en.wikipedia.org/wiki/Laurentide_ice_sheet " rel = " noreferrer " > Laurentide冰盖< / >在冰河时代和现在正在寻找一个新的平衡,没有冰的重量。< / p > < p >注意周围的冰层,土地是下沉的今天,当起床从水床床垫的伙伴。< / p >

"PGR Paulson2007 Rate of Lithospheric Uplift due to PGR" by Erik Ivins, JPL. - Licensed under Public Domain via Wikimedia Commons

 //www.hoelymoley.com/questions/4728/-/4733 # 4733 35 答案由马特·霍尔为什么是相对海平面下降在哈德逊湾吗? 马特·霍尔 //www.hoelymoley.com/users/28050 2015 - 04 - 22 - t23:23:29z 2022 - 01 - 27 t18:38:30z < p > <强>该地区正在经历< a href = " https://en.wikipedia.org/wiki/Post-glacial_rebound " rel = " nofollow noreferrer " >幅度均衡反弹< / >。< /强> < / p > < p >加拿大在很大程度上是在一个广泛的冰原覆盖< a href = " https://en.wikipedia.org/wiki/Last_glacial_period " rel = " nofollow noreferrer " > < / >最后一个冰河时期(“冰河时代”),从大约110 ka直到12卡。哈德逊湾地区的冰是最后融化:< / p > < p > < img src = " https://i.stack.imgur.com/FEFew.png " alt = "冰撤退在北美" / > < / p > < p >厚厚的冰层压低了地壳(岩石圈),做一个小凹痕至上地幔(< A href = " https://en.wikipedia.org/wiki/Asthenosphere " rel = " nofollow noreferrer " >软流层< / >)。嗯,不是小:375页< a href = " https://books.google.ca/books?id = yRMgYc-8mTIC nofollow noreferrer“rel = > Gornitz < / >(2009年,< em >百科全书的古气候学和古环境< / em >)表示,它可能是800米3000米厚的冰层!< / p > < p >由于软流层高度粘性的,需要很长时间的抑郁“反弹”。这张地图来自加拿大自然资源显示当前率:< / p > < p > < img src = " https://i.stack.imgur.com/kd0gN.jpg " alt = "均衡反弹率在加拿大" / > < / p > < p > < em >以来全球海平面< / em > < a href = " https://en.wikipedia.org/wiki/Current_sea_level_rise " rel = " nofollow noreferrer " >目前上升的< / > /约3毫米,当地< em > < / em >隆起以这种速度将盈亏平衡。任何会导致相对海平面下降,当我们看到哈德逊湾(以及在斯堪的纳维亚,英国,阿拉斯加,和其他地方——< a href = " https://tidesandcurrents.noaa.gov/sltrends/sltrends.html " rel = " nofollow noreferrer " >这张地图是美妙的< / >)。< / p > < p >有趣,为地质学家,这让的沉积学的记录。我爱这个例子的海滩和一个小三角洲体验< a href = " https://www.sepmstrata.org/Terminology.aspx?id =迫使% 20回归nofollow noreferrer“rel = >被迫回归< / >在哈德逊湾的海岸:< / p > < p > < img src = " https://i.stack.imgur.com/5ugZd.jpg " alt = "被迫回归小三角洲" / > < / p > < p >最后一件事——你问:< / p > < blockquote > < p >将它意义退去的水平后退与淡水的来源相对较近吗?< / p > < /引用> < p >因为哈得逊湾是连接世界的海洋,主要通过哈德逊海峡,径流进入湾水位没有可衡量的影响。< / p >

Credit Ice retreat map by TKostolany, licensed CC-BY-SA. Rebound map by NRCan, free of copyright. Google Maps image contains own credit.

 //www.hoelymoley.com/questions/4728/-/6685 # 6685 1 答案由Dredd博客为什么是相对海平面下降在哈德逊湾吗? Dredd博客 //www.hoelymoley.com/users/4607 2015 - 10 - 10 - t13:30:35z 2015 - 10 - 10 - t13:30:35z 格陵兰冰盖的< p >引力动态产生影响,海平面下降,不常被提及(如欧洲:< a href = " http://blogdredd.blogspot.com/2015/10/proof - -概念- 5. - html”rel =“nofollow”>的概念- 5 < / >)。< / p >

It causes sea level fall and sea level rise, depending on distance from the ice sheet (The Gravity of Sea Level Change).

 //www.hoelymoley.com/questions/4728/-/6686 # 6686 3 由Dredd回答为什么在哈德逊湾相对海平面下降? Dredd //www.hoelymoley.com/users/4608 2015 - 10 - 10 - t15:12:07z 2015 - 10 - 10 - t15:12:07z < p > < a href = " https://i.stack.imgur.com/3tMxR.png " rel = " nofollow noreferrer " > < img src = " https://i.stack.imgur.com/3tMxR.png " alt = "在这里输入图像描述" > < / > < / p > < p >图表显示海平面下降(SLF)丘吉尔潮汐计。< / p > < p >在哈德逊湾西侧。< / p >

These jagged edge ups and downs, and severe drop in a short time, indicate this is not the result of rising land mass.

Greenland ice mass loss is the source of SLF in a wide area.
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