贵州高原北部河流阶地发育与喀斯特地貌演化
River terraces in the northern Guizhou Plateau and their implications for karst landform evolution
查看参考文献38篇
|
文摘
|
贵州高原北部发育平缓丘丛和深切峰丛2种喀斯特地貌组合,保存于喀斯特山间盆地的河流阶地对区域地貌演化具有指示意义。本文根据阶地发育特征和光释光(OSL)测年,分析阶地形成的时代和动力,结合区域地质背景,探讨构造抬升和河流侵蚀对黔北喀斯特地貌演化的驱动作用。结果显示,绥阳盆地T1阶地时代18.8~8.2 ka,T2时代144.4~104.1 ka;旺草盆地T1年龄为5.5 ka,T2年龄为45.1 ka。绥阳盆地阶地以漫滩相沉积物为主,旺草盆地阶地则多切割了白云岩基岩。分析认为,气候条件影响了阶地的沉积过程,但差异性构造抬升应为区域河流阶地差异发育的主要因素。阶地测年显示,旺草盆地的河流平均下切速率明显高于绥阳盆地,表明芙蓉江流域构造抬升和河流下切强度明显高于洋川河。在差异性构造抬升和河流侵蚀综合作用下,北部大娄山区形成了深切的喀斯特峰丛-峡谷地貌,南部乌江中游流域则发育以平坦盆地和宽缓丘丛为主的地貌组合。 |
|
其他语种文摘
|
Geologists pay much attention to mountainous geomorphic evolution of Guizhou Plateau, because of its core region of karst area in Southwest China. There are two different geomorphic blocks in the northern Guizhou Plateau, which is representative for the karst landforms in Guizhou. River terraces in the karst intermontane basin, as an important step-like landform system in this area, are of great significance for the study of regional geomorphic evolution. In this work, we studied sediment characteristics and optical stimulated luminescence (OSL) dating of the terraces in the Suiyang Basin and the Wangcao Basin in the northern Guizhou Plateau. And then, the terrace ages and associated evolutionary dynamics of Guizhou Plateau have been discussed. Combining the terrace development and geological background, we explored karst landform evolution of northern Guizhou Plateau. It is found that in the Suiyang Basin, the ages of terrace are ranged between 18.8 ka-8.2 ka for T1 and 144.4 ka- 104.1 ka for T2. In the Wangcao Basin, the ages of terrace are 5.5 ka for T1 and 45.1 ka for T2. In the Suiyang Basin, the terraces mainly deposited floodplain sandy sediments, while the terraces in the Wangcao Basin mostly cut the thick dolomite bedrock. The dating results show that in the formation stage of terrace T1, the average cutting rate of the Furong River in Wangcao Basin is 1.67 m/ka, significantly greater than that of the Yangchuan River in the Suiyang Basin, which is 0.35 m/ka. According to dating and regional geological correlation, we hold that climate change may affect the sedimentary characteristics of the terraces, but tectonic uplift is the dominant driving force for terrace formation. Different terrace ages are the results of differential uplifts in the Guizhou Plateau. Based on the terrace characteristics and dating, we found that tectonic uplift and river undercutting in the Wangcao Basin were more intensive than those in the Suiyang Basin. Actively driven by differential tectonic uplift and river erosion, the karst deep-cutting gorges and peak clusters landform is formed in the Furong River Basin, a part of Dalou Mountain, while the flat intermontane basins and hill clustered landform has been developed in the middle reaches ofWujiang River Basin. |
|
来源
|
地理研究
,2021,40(1):81-92 【核心库】
|
|
DOI
|
10.11821/dlyj020200485
|
|
关键词
|
贵州高原
;
河流阶地
;
OSL测年
;
喀斯特
;
地貌演化
|
|
地址
|
1.
贵州大学资源与环境工程学院, 贵阳, 550025
2.
贵州大学, 喀斯特地质资源与环境教育部重点实验室, 贵阳, 550025
3.
中国科学院地球化学研究所, 环境地球化学国家重点实验室, 贵阳, 550081
4.
绥阳双河洞国家地质公园管理处, 绥阳, 563300
|
|
语种
|
中文 |
|
文献类型
|
研究性论文 |
|
ISSN
|
1000-0585 |
|
学科
|
社会与环境 |
|
基金
|
贵州省科技支撑计划项目
;
贵州省项目
;
中国科学院大学生创新实践训练计划项目
|
|
文献收藏号
|
CSCD:6889874
|
参考文献 共
38
共2页
|
|
1.
王世杰. 中国南方喀斯特地貌分区纲要.
山地学报,2015,33(6):641-648
|
被引
33
次
|
|
|
|
|
2.
杨怀仁. 贵州中部之地形发育.
地理学报,1944,11:1-14
|
被引
3
次
|
|
|
|
|
3.
杨明德. 贵州高原喀斯特地貌的结构及演化规律.
喀斯特地貌与洞穴,1985:27-28
|
被引
1
次
|
|
|
|
|
4.
聂跃平. 贵州中南部地区喀斯特地貌发育的趋势面分析.
南京大学学报(自然科学版),1994,30(1):154-159
|
被引
3
次
|
|
|
|
|
5.
崔之久. 覆盖型岩溶、风化壳与岩溶（双层）夷平面.
中国科学(D辑),2001,31(6):510-520
|
被引
30
次
|
|
|
|
|
6.
李德文. 湘桂黔滇藏红色岩溶风化壳的发育模式.
地理学报,2002,57(3):293-300
|
被引
16
次
|
|
|
|
|
7.
周德全. 贵州高原层状地貌与高原抬升.
地球与环境,2005,33(2):79-84
|
被引
17
次
|
|
|
|
|
8.
金德生. 新构造运动对冲积河流影响研究的回顾与展望.
地理研究,2015,34(3):437-454
|
被引
8
次
|
|
|
|
|
9.
刘玉清. 西藏中部当惹雍错湖泊阶地记录的中晚全新世古气候变化.
地理研究,2017,36(6):1191-1200
|
被引
2
次
|
|
|
|
|
10.
Schanz S A. Multiple paths to straths: A review and reassessment of terrace genesis.
Geomorphology,2018,312:12-23
|
被引
4
次
|
|
|
|
|
11.
Maddy D. Early Pleistocene river terraces of the Gediz River, Turkey: The role of faulting, fracturing, volcanism and travertines in their genesis.
Geomorphology,2020,358:107102
|
被引
3
次
|
|
|
|
|
12.
吴环环. 黄河共和一贵德段河流阶地对青藏高原东北缘晚期隆升的指示.
地质学报,2019,93(12):3239-3248
|
被引
6
次
|
|
|
|
|
13.
Pan B T. Evaluating the role of climate and tectonics during non-steady incision of the Yellow River: evidence from a 1.24 Ma terrace record near Lanzhou, China.
Quaternary Science Reviews,2009,28(27/28):3281-3290
|
被引
34
次
|
|
|
|
|
14.
Gao H S. Fluvial terraces and their implications for Weihe River valley evolution in the Sanyangchuan Basin.
Science China Earth Sciences,2017,60(3):413-427
|
被引
9
次
|
|
|
|
|
15.
Delmas M. Terrestrial 10Be and electron spin resonance dating of fluvial terraces quantifies quaternary tectonic uplift gradients in the eastern Pyrenees.
Quaternary Science Reviews,2018,193:188-211
|
被引
4
次
|
|
|
|
|
16.
Lu H H. Latest Quaternary rapid river incision across an inactive fold in the northern Chinese Tian Shan foreland.
Quaternary Science Reviews,2018,179:167-181
|
被引
6
次
|
|
|
|
|
17.
Yang Y. New constraints on the late Quaternary landscape evolution of the eastern Tibetan Plateau from 10Be and 26Al in-situ cosmogenic nuclides.
Quaternary Science Reviews,2019,220(15):244-262
|
被引
8
次
|
|
|
|
|
18.
Su H. Late Miocene birth of the Middle Jinsha River revealed by the fluvial incision rate.
Global and Planetary Change,2019,183:103002
|
被引
6
次
|
|
|
|
|
19.
李宗发. 贵州喀斯特地貌分区.
贵州地质,2011,28(3):177-182
|
被引
33
次
|
|
|
|
|
20.
王旭龙. 细颗粒石英光释光测年:简单多片再生法.
地震地质,2005,27(4):615-623
|
被引
83
次
|
|
|
|
|
了解气象卫星更多信息，请访问