The Roles of Bathymetry and Waves in Rip‐Channel Dynamics

水深测量 浅滩 裂流 地质学 频道(广播) 海底管道 流量(数学) 电流(流体) 波高 地貌学 几何学 机械 海洋学 物理 海岸 电信 数学 计算机科学
作者
Doris Christensen,Britt Raubenheimer,Steve Elgar
出处
期刊:Journal Of Geophysical Research: Earth Surface [Wiley]
卷期号:129 (1)
标识
DOI:10.1029/2023jf007389
摘要

Abstract The behavior and predictability of rip currents (strong, wave‐driven offshore‐directed surfzone currents) have been studied for decades. However, few studies have examined the effects of rip channel morphology on the rip generation or have compared morphodynamic models with observations. Here, simulations conducted with the numerical morphodynamic model MIKE21 reproduce observed trends in flows and bathymetric evolution for two channels dredged across a nearshore sandbar and terrace on an ocean beach near Duck, NC, USA. Channel dimensions, wave conditions, and flows differed between the two cases. In one case, a strong rip current was driven by moderate height, near‐normally incident waves over an approximately 1‐m deep channel with relatively little bathymetric evolution. In the other case, no rip was generated by the large, near‐normally incident waves over the shallower (∼0.5 m) channel, and the channel migrated in the direction of the mean flow and eventually filled in. The model simulated the flow directions, the generation (or not) of rip currents, and the morphological evolution of the channels reasonably well. Model simulations were then conducted for different combinations of the two channel geometries and two wave conditions to examine the relative importance of the waves and morphology to the rip current evolution. The different bathymetries were the dominant factor controlling the flow, whereas both the initial morphology and wave conditions were important for channel evolution. In addition, channel dimensions affected the spatial distribution of rip current forcings and the relative importance of terms.

科研通智能强力驱动
Strongly Powered by AbleSci AI
更新
PDF的下载单位、IP信息已删除 (2025-6-4)

科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
小学霸搞科研完成签到 ,获得积分10
刚刚
在九月完成签到 ,获得积分10
1秒前
1秒前
revo完成签到,获得积分10
1秒前
小二郎应助等待盼雁采纳,获得10
1秒前
曲夜白完成签到,获得积分10
1秒前
高兴的书竹完成签到,获得积分20
1秒前
2秒前
lslfreedom发布了新的文献求助10
3秒前
3秒前
Sun发布了新的文献求助10
3秒前
小马甲应助不靠谱采纳,获得10
3秒前
烟花应助GSGSG采纳,获得10
4秒前
lh完成签到,获得积分10
4秒前
GOW完成签到,获得积分10
4秒前
隔壁小曾发布了新的文献求助10
5秒前
5秒前
科研通AI2S应助山雀采纳,获得10
5秒前
huhu完成签到 ,获得积分10
6秒前
czj完成签到 ,获得积分10
6秒前
hz52发布了新的文献求助10
6秒前
九卫完成签到 ,获得积分20
7秒前
多喝热水完成签到,获得积分10
7秒前
月月月鸟伟完成签到,获得积分10
8秒前
情怀应助Naomi采纳,获得10
8秒前
8秒前
搬砖的化学男完成签到 ,获得积分0
8秒前
9秒前
SSSShawn发布了新的文献求助10
9秒前
威武的初兰完成签到 ,获得积分10
9秒前
义气的夏寒完成签到,获得积分10
10秒前
11秒前
11秒前
lixy完成签到,获得积分10
11秒前
乐乐乐乐乐乐应助斯文伊采纳,获得10
12秒前
小欢完成签到,获得积分10
12秒前
Ygy发布了新的文献求助10
12秒前
fdwonder完成签到,获得积分10
13秒前
13秒前
可可西里完成签到,获得积分10
13秒前
高分求助中
【提示信息,请勿应助】关于scihub 10000
A new approach to the extrapolation of accelerated life test data 1000
徐淮辽南地区新元古代叠层石及生物地层 500
Coking simulation aids on-stream time 450
北师大毕业论文 基于可调谐半导体激光吸收光谱技术泄漏气体检测系统的研究 390
Phylogenetic study of the order Polydesmida (Myriapoda: Diplopoda) 370
Robot-supported joining of reinforcement textiles with one-sided sewing heads 360
热门求助领域 (近24小时)
化学 材料科学 医学 生物 工程类 有机化学 生物化学 物理 内科学 纳米技术 计算机科学 化学工程 复合材料 遗传学 基因 物理化学 催化作用 冶金 细胞生物学 免疫学
热门帖子
关注 科研通微信公众号,转发送积分 4015939
求助须知:如何正确求助?哪些是违规求助? 3555887
关于积分的说明 11319237
捐赠科研通 3288997
什么是DOI,文献DOI怎么找? 1812357
邀请新用户注册赠送积分活动 887882
科研通“疑难数据库(出版商)”最低求助积分说明 812044