deltaic

简明释义

英[delˈteɪɪk]美[delˈteɪɪk]

adj. 三角洲的；三角形的

英英释义

单词用法

同义词

反义词

例句

1.The characteristics and regulation methods for the deltaic tract of Xiang-jiang River are introduced.

介绍了湘江入湖河口三角洲航道特征和整治方法。

2.Abundant in natural gas sources, Jurassic Shaximiao Formation in west Sichuan Basin is a red sandstone and shale mainly deposited in fluvial, deltaic shoal faces.

四川盆地西部侏罗系沙溪庙组是河流—三角洲—滨浅湖沉积为主的红色砂泥岩系，天然气资源相当丰富。

3.The marginal deltaic swamp plain is an excellent place for...

其中三角洲沼泽平原是最好的聚煤场所。

4.The marginal deltaic swamp plain is an excellent place for coal-accumu…

其中三角洲沼泽平原是最好的聚煤场所。

5.Triassic Yanchang deltaic oil-gas located in east of basin with two kinds of oil-gas reservoir sequence, the lacustrine facies delta foreset sand body and plain distributary sand body.

二是上三叠系延长组三角洲油气区，主要位于盆地东部，具有湖相三角洲前积砂体和平原分流河道砂体两种油、气藏序列。

6.Yanchang 2 formations are deltaic deposits during disappearing of lake-basin.

长2组即是在湖盆消亡时期形成的一套三角洲沉积。

7.The river's deltaic 三角洲的 deposits are rich in nutrients, making the surrounding land very fertile.

河流的三角洲的沉积物富含营养，使周围的土地非常肥沃。

8.Scientists study deltaic 三角洲的 ecosystems to understand how they support biodiversity.

科学家研究三角洲的生态系统，以了解它们如何支持生物多样性。

9.The deltaic 三角洲的 region is prone to flooding during heavy rains.

在大雨期间，三角洲的地区容易发生洪水。

10.Many fish species thrive in deltaic 三角洲的 waters due to abundant food sources.

许多鱼类在三角洲的水域中繁衍生息，因为食物来源丰富。

11.The deltaic 三角洲的 landscape is characterized by its unique sedimentary formations.

该三角洲的地貌以其独特的沉积物形成而著称。

作文

The term deltaic refers to the landforms and ecosystems that are created at the mouth of rivers, where they meet larger bodies of water such as oceans or seas. These regions are characterized by the deposition of sediment carried by the river, which gradually builds up over time to form a delta. Deltas are incredibly important for both ecological and human activities. They serve as rich habitats for diverse species of flora and fauna, providing essential resources and breeding grounds. The deltaic environment is often teeming with life, including fish, birds, and various plant species that thrive in the nutrient-rich sediments. In addition to their ecological significance, deltaic regions are vital for human populations. Many major cities around the world, such as Cairo, New Orleans, and Kolkata, are situated in or near deltaic areas due to the fertile land and abundant water supply. Agriculture flourishes in these regions, as the silt deposited by rivers enhances soil fertility. Farmers often rely on the seasonal flooding of rivers to irrigate their crops, making deltaic landscapes crucial for food production. However, deltaic regions face numerous challenges, particularly due to climate change and human activities. Rising sea levels threaten to inundate low-lying delta areas, leading to loss of habitat and displacement of communities. Furthermore, pollution from urban runoff and agricultural practices can degrade water quality and harm aquatic ecosystems. These environmental pressures necessitate careful management and conservation efforts to protect deltaic regions for future generations. One of the most significant aspects of deltaic regions is their dynamic nature. The processes of erosion, sedimentation, and hydrodynamics constantly shape these landscapes. For instance, the Mississippi River Delta is known for its shifting channels and changing landforms, which can impact local ecosystems and human settlements. Understanding these processes is crucial for effective environmental planning and disaster preparedness in deltaic areas. In conclusion, the term deltaic encapsulates a unique and vital aspect of our planet's geography. These regions are not only important for biodiversity and agriculture but also pose challenges that require sustainable management. As we continue to study and understand deltaic environments, it is essential to prioritize their conservation to ensure they remain resilient in the face of environmental changes. By doing so, we can protect the rich natural heritage and livelihoods that depend on these extraordinary landscapes.

“deltaic”一词指的是在河流入海口形成的地貌和生态系统，这些地区是河流与海洋或湖泊等较大水体相遇的地方。这些区域的特点是沉积物的沉积，这些沉积物由河流携带，随着时间的推移逐渐堆积形成三角洲。三角洲对生态和人类活动都极为重要。它们为多种动植物提供了丰富的栖息地，提供了必需的资源和繁殖场所。deltaic环境通常生机勃勃，包括鱼类、鸟类和各种植物物种，它们在富含营养的沉积物中茁壮成长。 除了生态重要性外，deltaic地区对于人类人口也至关重要。世界上许多主要城市，如开罗、新奥尔良和加尔各答，都位于或靠近三角洲地区，由于土地肥沃和水源丰富，因此吸引了大量人口。农业在这些地区蓬勃发展，因为河流沉积的淤泥增强了土壤的肥力。农民往往依赖河流的季节性洪水来灌溉作物，使得deltaic景观对粮食生产至关重要。 然而，deltaic地区面临着许多挑战，特别是由于气候变化和人类活动。海平面上升威胁到低洼的三角洲地区，可能导致栖息地丧失和社区迁移。此外，来自城市径流和农业活动的污染可能会降低水质并危害水生生态系统。这些环境压力需要谨慎的管理和保护措施，以保护deltaic地区供后代使用。 deltaic地区的一个重要方面是它们的动态特性。侵蚀、沉积和水动力过程不断塑造这些景观。例如，密西西比河三角洲以其不断变化的河道和地貌而闻名，这可能影响当地生态系统和人类定居点。理解这些过程对有效的环境规划和三角洲地区的灾害准备至关重要。 总之，deltaic一词概括了我们星球地理的独特和重要方面。这些地区不仅对生物多样性和农业重要，而且还面临需要可持续管理的挑战。随着我们继续研究和理解deltaic环境，优先考虑其保护至关重要，以确保它们在环境变化面前保持韧性。通过这样做，我们可以保护丰富的自然遗产和依赖这些非凡景观的生计。