近20年中國(guó)和全球海域海平面上升趨勢(shì)特征分析及相互關(guān)系的初步研究
發(fā)布時(shí)間：2018-07-22 13:58
【摘要】：利用AVISO高度計(jì)數(shù)據(jù)計(jì)算了從1993年1月到2013年1月中國(guó)和全球海域海平面的上升趨勢(shì)并分析了其特點(diǎn)，初步分析了全球海域海平面的上升對(duì)中國(guó)海的影響。分析顯示，在很大程度上中國(guó)海海平面的上升是在全球海域海平面上升的大背景下被動(dòng)上升的。本文的初步結(jié)論為： 在研究時(shí)段的中國(guó)海海域內(nèi)，中國(guó)海平均海平面的上升速率為4.7毫米/年，高于全球同期平均水平；渤海、黃海、東海和南海平均海平面的上升速率依次為3.8、3.4、3.3和5.0毫米/年，其中，渤海、黃海和東海三者平均海平面的上升速率為3.4毫米/年；首次同時(shí)計(jì)算了中國(guó)沿岸、中國(guó)海整體及中國(guó)海邊界海域平均海平面的上升速率，分別為3.7、4.7和4.9毫米/年；中國(guó)海邊界海域平均海平面的上升速率明顯高于中國(guó)沿岸海域及渤海、黃海和東海。初步認(rèn)為：1)渤海、黃海和東海及中國(guó)沿岸海域平均海平面的上升速率均與同時(shí)期的全球水平相當(dāng)，僅顯略高；而南海對(duì)整個(gè)中國(guó)海平均海平面上升速率的貢獻(xiàn)率較大；2)近20年來中國(guó)海外圍海域海平面的上升可能是中國(guó)海整體海域海平面上升的主要因素。 在研究時(shí)段的全球海域內(nèi)，全球海域平均海平面的上升速率為3.0毫米/年，太平洋、印度洋和大西洋平均海平面的上升速率依次是2.6、4.0和2.8毫米/年；印度洋平均海平面的上升速率高于其它大洋和全球海域。同時(shí)計(jì)算了全球海域、太平洋、印度洋和大西洋海平面空間標(biāo)準(zhǔn)方差的趨勢(shì)，其在一定程度上反映了空間海平面分布特征的時(shí)間變化；太平洋海平面空間標(biāo)準(zhǔn)方差的趨勢(shì)高于其它大洋及全球海域水平，其次是印度洋，兩者均為正值；大西洋海平面空間標(biāo)準(zhǔn)方差的趨勢(shì)為負(fù)值；說明太平洋和印度洋海平面的空間分布越來越不均勻，而大西洋海平面的空間分布逐漸趨于均勻。首次嘗試定義上層海水體積中心，在東西方向上，太平洋上層海水體積中心以3.08度/世紀(jì)的速度向西運(yùn)動(dòng)，印度洋和大西洋上層海水體積中心分別以0.98和0.60度/世紀(jì)的速度向東運(yùn)動(dòng)；在南北方向上，全球海域、太平洋、印度洋和大西洋上層海水體積中心均以不同的速度向南運(yùn)動(dòng)。初步認(rèn)為：1)全球海域海平面具有不均勻性，，每個(gè)海域海平面上升趨勢(shì)不相同，印度洋平均海平面的上升速率最大；在全球海域內(nèi)海平面的上升趨勢(shì)中南半球的上升速率要高于北半球。2)計(jì)算空間標(biāo)準(zhǔn)方差的趨勢(shì)結(jié)果顯示太平洋和印度洋海平面的空間分布趨于不均勻，而大西洋海平面的空間分布卻趨于均勻，揭示了大洋間不同海平面變化的控制機(jī)制。3)嘗試定義的上層海水體積中心結(jié)果顯示太平洋和印度洋的上層海水體積中心在東西方向上具有相反的移動(dòng)趨勢(shì)，致使西太平洋（暖池附近）海域水體堆積，使周圍海域具有較高的上升速率；同時(shí)也顯示，全球海域及各大洋的上層海水體積中心都向南半球移動(dòng)，使得南、北半球的水位趨于接近。 可見，中國(guó)海海平面主要是在全球海域海平面變化的大背景下變化的，由于太平洋和印度洋上層海水體積中心在東西方向上有著相反的移動(dòng)趨勢(shì)，致使西太平洋（暖池附近）海域水體堆積，出現(xiàn)較高的上升速率；西太平洋暖池周圍海域與中國(guó)南海和東海相通，勢(shì)必導(dǎo)致中國(guó)海外圍海域海平面的上升，其中，南海及黑潮源區(qū)所受影響最大。初步認(rèn)為，本文所揭示的太平洋和印度洋海平面的變化特征對(duì)整個(gè)中國(guó)海海平面的上升影響極大，不僅是暖池附近海域海平面極高的上升速率所帶來的直接影響，更重要的是太平洋和印度洋海平面整體變化趨勢(shì)對(duì)暖池附近海域海平面上升的間接影響。所以，在監(jiān)測(cè)中國(guó)沿海海平面變化的同時(shí)，必須監(jiān)測(cè)、研究相鄰邊界海域乃至全球海平面趨勢(shì)及其機(jī)制。
[Abstract]:The AVISO altimeter data is used to calculate the rising trend of sea level in China and the global sea area from January 1993 to January 2013 and analyze its characteristics. The effect of the rise of sea level in the global sea area on the China Sea is preliminarily analyzed. The analysis shows that the rise of the sea level in China is largely the big back of the sea level rise in the global sea area. The preliminary conclusions of this article are as follows:
The rising rate of the average sea level in the China Sea is 4.7 millimeters per year in the study period, higher than the global average at the same time. The rising rate of the average sea level in Bohai, the Yellow Sea, the East China Sea and the South China Sea is 3.8,3.4,3.3 and 5 mm / year, of which the average sea level rise rate of three persons in Bohai, the Yellow Sea and the East China Sea is 3.4 mm. The rising rates of the average sea level in the China Sea and the China Sea boundary are 3.7,4.7 and 4.9 mm / year, respectively. The rising rate of the average sea level in the sea border area of China is obviously higher than that of the coastal areas of China and Bohai, the Yellow Sea and the East Sea. The initial thought: 1) Bohai, the Yellow Sea and the East China Sea and the Middle East Sea. The rising rate of the average sea level in the coastal waters of the country is equal to the global level in the same period, only slightly higher, while the South China Sea has a great contribution to the average sea level rising rate of the whole China Sea. 2) the rise of the sea level in the offshore waters of China in the last 20 years may be the main factor of the sea level rise in the whole sea area of the China Sea.
The rising rate of the average sea level in the global sea area is 3 mm / year, the average sea level rising rate of the Pacific, India and the Atlantic is 2.6,4.0 and 2.8 mm per year in the global sea area, and the rising rate of the India ocean average sea level is higher than that of the other oceans and the global waters. The standard variance trend of the India ocean and the Atlantic sea level space reflects the temporal variation of the spatial distribution characteristics of the sea level to a certain extent; the standard variance trend of the Pacific sea level space is higher than that of the other oceans and the global sea level, followed by the India ocean, both are positive and the standard variance of the sea level space in the Atlantic. The trend is negative; it shows that the spatial distribution of the sea level in the Pacific and India oceans is becoming more and more uneven, while the spatial distribution of the the Atlantic sea level tends to be uniform. The first attempt to define the upper sea water volume center, in the East and west direction, the central Pacific Ocean volume center is moving westward at 3.08 degrees / century, India ocean and the Atlantic. The upper sea water volume center moves eastward at 0.98 and 0.60 degrees per century, and in the north and south directions, the global sea, the Pacific Ocean, the India ocean and the the Atlantic upper sea volume center are moving southward at different speeds. It is preliminarily considered that 1) the sea level in the global sea area is inhomogeneous, and the sea level rising trend in each sea area is different, The rising rate of the average sea level in the India ocean is the largest; the trend of the rising rate in the south hemisphere is higher than the.2 in the northern hemisphere in the global sea level. The spatial distribution of the Pacific and India ocean levels tends to be uneven, while the spatial distribution of the the Atlantic sea level tends to be uniform. The control mechanism of different sea level changes in the ocean.3) shows that the upper sea volume center of the upper sea water center of the Pacific Ocean and the India ocean shows the opposite direction in the eastern and western direction, resulting in the accumulation of water in the Western Pacific Ocean (near the warm pool), which makes the surrounding sea area have a higher rising rate; It is also shown that the upper sea volume centers of the global seas and oceans move to the southern hemisphere, making the water level of the southern and Northern Hemisphere tend to approach.
It is obvious that the sea level of China is mainly changed in the background of sea level change in the global sea area. Because of the reverse movement trend in the East and west of the Pacific Ocean and the India ocean upper sea volume center, the waters of the Western Pacific (near the warm pool) are accumulated and higher rising rate; the sea area around the Western Pacific warm pool. The connection with the South China Sea and the East China Sea will lead to the rise of the sea level in the offshore areas of China. Among them, the South China Sea and the Kuroshio source area are most affected. It is preliminarily believed that the changes in the sea level of the Pacific and India oceans revealed in this paper have a great impact on the sea level of the whole China Sea, not only the high sea level near the warm pool, but also the high sea level in the warm pool. The direct impact of the rising rate on the sea level in the Pacific and the India ocean is more important for the indirect influence of the sea level rise near the warm pool. Therefore, it is necessary to monitor the coastal sea level changes in the coastal areas and to study the trend and mechanism of the sea level in the adjacent areas and even the global sea level.
【學(xué)位授予單位】：中國(guó)海洋大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：P731.23
[Abstract]:The AVISO altimeter data is used to calculate the rising trend of sea level in China and the global sea area from January 1993 to January 2013 and analyze its characteristics. The effect of the rise of sea level in the global sea area on the China Sea is preliminarily analyzed. The analysis shows that the rise of the sea level in China is largely the big back of the sea level rise in the global sea area. The preliminary conclusions of this article are as follows:
The rising rate of the average sea level in the China Sea is 4.7 millimeters per year in the study period, higher than the global average at the same time. The rising rate of the average sea level in Bohai, the Yellow Sea, the East China Sea and the South China Sea is 3.8,3.4,3.3 and 5 mm / year, of which the average sea level rise rate of three persons in Bohai, the Yellow Sea and the East China Sea is 3.4 mm. The rising rates of the average sea level in the China Sea and the China Sea boundary are 3.7,4.7 and 4.9 mm / year, respectively. The rising rate of the average sea level in the sea border area of China is obviously higher than that of the coastal areas of China and Bohai, the Yellow Sea and the East Sea. The initial thought: 1) Bohai, the Yellow Sea and the East China Sea and the Middle East Sea. The rising rate of the average sea level in the coastal waters of the country is equal to the global level in the same period, only slightly higher, while the South China Sea has a great contribution to the average sea level rising rate of the whole China Sea. 2) the rise of the sea level in the offshore waters of China in the last 20 years may be the main factor of the sea level rise in the whole sea area of the China Sea.
The rising rate of the average sea level in the global sea area is 3 mm / year, the average sea level rising rate of the Pacific, India and the Atlantic is 2.6,4.0 and 2.8 mm per year in the global sea area, and the rising rate of the India ocean average sea level is higher than that of the other oceans and the global waters. The standard variance trend of the India ocean and the Atlantic sea level space reflects the temporal variation of the spatial distribution characteristics of the sea level to a certain extent; the standard variance trend of the Pacific sea level space is higher than that of the other oceans and the global sea level, followed by the India ocean, both are positive and the standard variance of the sea level space in the Atlantic. The trend is negative; it shows that the spatial distribution of the sea level in the Pacific and India oceans is becoming more and more uneven, while the spatial distribution of the the Atlantic sea level tends to be uniform. The first attempt to define the upper sea water volume center, in the East and west direction, the central Pacific Ocean volume center is moving westward at 3.08 degrees / century, India ocean and the Atlantic. The upper sea water volume center moves eastward at 0.98 and 0.60 degrees per century, and in the north and south directions, the global sea, the Pacific Ocean, the India ocean and the the Atlantic upper sea volume center are moving southward at different speeds. It is preliminarily considered that 1) the sea level in the global sea area is inhomogeneous, and the sea level rising trend in each sea area is different, The rising rate of the average sea level in the India ocean is the largest; the trend of the rising rate in the south hemisphere is higher than the.2 in the northern hemisphere in the global sea level. The spatial distribution of the Pacific and India ocean levels tends to be uneven, while the spatial distribution of the the Atlantic sea level tends to be uniform. The control mechanism of different sea level changes in the ocean.3) shows that the upper sea volume center of the upper sea water center of the Pacific Ocean and the India ocean shows the opposite direction in the eastern and western direction, resulting in the accumulation of water in the Western Pacific Ocean (near the warm pool), which makes the surrounding sea area have a higher rising rate; It is also shown that the upper sea volume centers of the global seas and oceans move to the southern hemisphere, making the water level of the southern and Northern Hemisphere tend to approach.
It is obvious that the sea level of China is mainly changed in the background of sea level change in the global sea area. Because of the reverse movement trend in the East and west of the Pacific Ocean and the India ocean upper sea volume center, the waters of the Western Pacific (near the warm pool) are accumulated and higher rising rate; the sea area around the Western Pacific warm pool. The connection with the South China Sea and the East China Sea will lead to the rise of the sea level in the offshore areas of China. Among them, the South China Sea and the Kuroshio source area are most affected. It is preliminarily believed that the changes in the sea level of the Pacific and India oceans revealed in this paper have a great impact on the sea level of the whole China Sea, not only the high sea level near the warm pool, but also the high sea level in the warm pool. The direct impact of the rising rate on the sea level in the Pacific and the India ocean is more important for the indirect influence of the sea level rise near the warm pool. Therefore, it is necessary to monitor the coastal sea level changes in the coastal areas and to study the trend and mechanism of the sea level in the adjacent areas and even the global sea level.
【學(xué)位授予單位】：中國(guó)海洋大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：P731.23
【參考文獻(xiàn)】
相關(guān)期刊論文 前10條
1 董曉軍,黃s
本文編號(hào)：2137685
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