海洋地质与第四纪地质2023，Vol.43Issue(6)：25-33,9.DOI:10.16562/j.cnki.0256-1492.2023091301
基于能量耗散视角的红树林海岸沉积地貌学
Sedimentary geomorphology of mangrove coasts in perspective of energy dissipation
摘要
Abstract
Energy dissipation has been widely studied in coastal sedimentary geomorphology.It has been assumed that thresholds in energy dissipation may exist in geomorphological evolution;however,whether energy dissipation evolves towards a minimum,maximum,or both,aroused a big debate in a long history.We summarized the previous publications to revisit the energy dissipation problem in coastal geomorphology,and proposed a concept of'impedance matching'to explain the problem regarding minimum and maximum values of energy dissipation.Once the geomorphological system showed a maximal mechanical energy storage but a minimal thermal energy dissipation,it could be a'resonance impedance matching'system.Otherwise,it could be a'gradience impedance matching'system.The Ω classification of beaches obtained by dimensionless settling velocity was a typical example for these two'impedance matching'systems.Based on the new concept,we reviewed geomorphological studies on mangrove ecosystems,and revealed the'impedance matching'and the energy dissipation across the interfaces of tidal creek-tidal flat-mangrove systems.In addition,we discussed how the energy dissipation could affect the growth of mangroves through hydrodynamics and thermal dynamics,and pointed out that the three-dimensional structure of tidal creek-tidal flat is very important to maintain the stability of mangrove ecosystems and therefore should be considered in the future mangrove restoration projects.关键词
能量耗散/沉积地貌/红树林/潮沟/潮滩Key words
energy dissipation/sedimentary geomorphology/mangrove/tidal creek/tidal flat分类
海洋科学引用本文复制引用
李炎,陈一宁..基于能量耗散视角的红树林海岸沉积地貌学[J].海洋地质与第四纪地质,2023,43(6):25-33,9.基金项目
国家重点研发计划项目课题"滨海湿地固碳与生物多样性维持等协同提升技术研发"(2022YFC3105404) （2022YFC3105404）
浙江省自然科学基金重点项目"潮沟地貌对浙江人工红树林抗寒的影响"(LZ21D060001) （LZ21D060001）
浙江省科技计划特殊支持项目(2022R52016) （2022R52016）
