Dune Field(沙丘场)研究综述
Dune Field 沙丘场 - The specific aim of the study was to investigate how four adjacent geomorphological systems – a lake, a dune field, a small alluvial fan and a slope system – responded to the same impacts. [1] Other common characteristic is that barchans are organized in dune fields, where barchan-barchan collisions are an important mechanism for their size regulation. [2] Due to their large extent and remoteness, dune fields are ideal for remote sensing techniques. [3] We describe the Inhandui Paleodune Field (IPDF; 15,000 km2) preserved by the first two (up to six) flows of the Parana Volcanic Province. [4] An estimated 5 million hectares of sandsage prairie occurs in discontinuous tracts across eight states in association with dune fields and other sandy habitat. [5] Seven morpho-sedimentary domains were identified: coastal beach ridges, overland flow features, inter-ridge paleo lagoon, bayside beach ridges, marshlands, dune field and tidal wetlands. [6] Prior to this study, dune fields have been largely analyzed manually from aerial and satellite imagery, as automatic detection techniques are often not sufficiently accurate in outlining dunes. [7] Dune fields, restinga forest and herbaceous swamp are the phytophysiognomies with the greatest number of species. [8] The central section of the valley is occupied by the Abaucan River, which runs across the dune field. [9] In this research, we present new and updated properties of the megadune fields, which are largely distributed on the Antarctic plateau. [10] The main anthropogenic disturbances identified were beach cleaning with bulldozer, coastal armoring, removal of dune fields (about 90% between 1942 and 2019), foredune segmentation, installation of resorts on backshore, and artificial rainfall drains towards the beach. [11] We examine the ripple patterns and the motion of these ripples to interpret airflow dynamics around dunes in the dune field at Nili Patera. [12] While iconic objects such as inselbergs, yardangs, wadis or dune fields have attracted the attention of scientists for decades and inspired them to develop numerous formation concepts, it is the actual processes, which are suggested to govern their formation, that are usually quite hard to survey as they happen in nature. [13] Geomorphological features in the coastal area, such as beachrock formations and dune fields, can function as indicators of the coastal landscape evolution through time. [14] The present work aims to quantify and characterize, from a time series of orbital images in the interval between 2005 and 2018, the dune mobility in the Barra do Chui coastal settlement, specifically the variation in the base of the frontal dunes, in order to check erosion and sedimentation at the edge of the resort, as well as the variation of the limit of the reverse of the dune field, where the built-up area of the resort is located. [15] We recommend enhanced monitoring of ecosystem and land use changes coupled with enhanced land use management to reduce the contributions of recreational OHV activity on land degradation and to maintain habitat for key species and ecosystems of interest in the dune field. [16]We prepared a training dataset by extracting Mars Context Camera (CTX) scenes of dune fields from a global CTX mosaic, as identified in the global dune-fields catalog. [17] The main objective of this work is to analyze the use and occupation of the land in the city of Fortaleza, more precisely in the morphological feature of the dune fields in the coastal plain in the Sabiaguaba neighborhood and, as specific objectives: to identify the geoenvironmental aspects of the study area and to point out the impacts environmental impacts caused by the processes of use and occupation. [18] The invasive house mouse was limited to a narrow band above the beach/dune interface, while the native small mammal assemblage dominated in the rest of the dune field. [19] Porosity is a fundamental characteristic of naturally occurring sand-textured soils, commonly referred to as natural sands, found in a wide range of landscapes, from beaches to dune fields. [20] These variations, in turn, are directly associated not only with the presence of iron oxides, which are also found in dune fields and coastal landscapes on Earth, but also with the composition of the core (parent) material forming different types of Martian regolith. [21] In terms of nondimensional parameters, the Froude and Shields numbers that formed the dune fields were similar to those observed in large sandy rivers, but the flow was undoubtedly unsteady and two-dimensional. [22] BP, the estuarine saltmarsh is gradually overrun by northward migrating coastal-dune fields. [23] The mapped area was subdivided in 1000 ha hexagonal Analysis Units (AU) and the following landscape metrics were calculated for each one of them: cover area (CA) of each soil cover class - dune fields (CA-DUNES), water bodies (CA-WATER), dense restinga (CADENSE), scattered restinga (CA-SCATTER), grassland (CA-SANDY), mangroves (CA-MANG), anthropogenic activity (CA-ANTRO) and, secondary vegetation (CA-SECOND); Landscape Shannon Diversity Index (SHDI), and; percentage of native vegetation cover (NV−COV). [24] The second sector is characterized by the great presence of dune fields. [25] The aeolian sedimentary systems of the Canary Islands have certain natural and socio-economic characteristics that make them differentiated environments, both in the context of the dune fields of Spain and Europe. [26] The siliciclastic deposits consist of dune field, sand sheet and wadi deposit facies associations. [27] ABSTRACTThis paper presents an analysis of geodynamic and morphogenesis of the dune field in the Canoa Quebrada region, located in the municipality of Aracati, inserted in the state of Ceara. [28] Through these methodologies, some of the results obtained were the de-characterization of the landscape,The determination of the evolutionary processes of the dune field with the mineral extraction and the outcrop of the water table Positive and negative impacts were listed throughout the checklist and the interaction matrix related to development impacts within the environment. [29] Smith’s 1965 paper presents an excellent example of a reconnaissance piece of scientific work that set the foundation for (1) using aerial photo-interpretation to provide chronological information about dune fields; (2) the use of eolian processes and landforms as climate change indicators; and (3) extraterrestrial or planetary geomorphology. [30]
该研究的具体目的是调查四个相邻的地貌系统——湖泊、沙丘、小型冲积扇和斜坡系统——如何应对相同的影响。 [1] 另一个共同特征是新月形树在沙丘中组织，新月形-新月形碰撞是其大小调节的重要机制。 [2] 由于其范围广且偏远，沙丘场是遥感技术的理想选择。 [3] 我们描述了由巴拉那火山省的前两个（最多六个）流保存的 Inhandui Paleodune 油田（IPDF；15,000 平方公里）。 [4] 估计有 500 万公顷的沙草草原分布在八个州的不连续大片中，与沙丘田和其他沙地栖息地有关。 [5] 确定了七个形态沉积域：沿海海滩山脊、陆上流动特征、山脊间古泻湖、海湾海滩山脊、沼泽地、沙丘场和潮汐湿地。 [6] 在这项研究之前，沙丘场主要是通过航空和卫星图像手动分析的，因为自动检测技术在勾勒沙丘时通常不够准确。 [7] 沙丘田、restinga 森林和草本沼泽是物种数量最多的植物地貌。 [8] 山谷的中部被横跨沙丘的阿博坎河占据。 [9] 在这项研究中，我们介绍了主要分布在南极高原上的巨型沙丘田的新特性和更新特性。 [10] 确定的主要人为干扰是用推土机清理海滩、海岸装甲、清除沙丘（1942 年至 2019 年期间约为 90%）、前滩分割、在后岸安装度假村以及向海滩排放人工雨水。 [11] 我们检查波纹模式和这些波纹的运动，以解释 Nili Patera 沙丘场中沙丘周围的气流动力学。 [12] 几十年来，虽然岛礁、雅丹山、河谷或沙丘等标志性物体吸引了科学家们的注意，并启发他们开发了许多地层<span><span>概念</span></span>，但它是实际的过程，建议它们控制它们的形成，因为它们在自然界中发生，通常很难调查。 [13] 沿海地区的地貌特征，例如海滩岩层和沙丘田，可以作为沿海景观随时间演变的指标。 [14] 本工作旨在从 2005 年至 2018 年期间的轨道图像时间序列中量化和表征 Barra do Chui 沿海聚落的沙丘流动性，特别是正面沙丘底部的变化，以检查度假村边缘的侵蚀和沉积，以及度假村建成区所在的沙丘场地背面的极限变化。 [15] 我们建议加强对生态系统和土地利用变化的监测，同时加强土地利用管理，以减少娱乐性 OHV 活动对土地退化的贡献，并维护沙丘领域中重要物种和生态系统的栖息地。 [16] <br><br>我们通过从全球 CTX 马赛克中提取沙丘场的火星背景摄像机 (CTX) 场景来准备训练数据集，如全球沙丘场目录中所标识。 [17] 这项工作的主要目的是分析福塔莱萨市土地的使用和占用，更准确地说是分析萨比亚瓜巴附近沿海平原沙丘的形态特征，并作为具体目标：确定地理环境研究区域的各个方面，并指出使用和占用过程对环境的影响。 [18] 侵入性家鼠仅限于海滩/沙丘界面上方的窄带，而本地小型哺乳动物组合则在沙丘的其余部分占主导地位。 [19] 孔隙度是天然存在的沙质土壤的基本特征，通常被称为天然沙子，存在于从海滩到沙丘领域的各种景观中。 [20] 反过来，这些变化不仅与氧化铁的存在直接相关，氧化铁也存在于地球上的沙丘和沿海景观中，而且还与形成不同类型火星风化层的核心（母体）材料的成分直接相关。 [21] 在无量纲参数方面，形成沙丘场的弗劳德数和希尔兹数与大型沙质河流中观察到的相似，但流动无疑是不稳定的和二维的。 [22] BP，河口盐沼逐渐被向北迁移的沿海沙丘田所淹没。 [23] 地图区域被细分为 1000 公顷六边形分析单位 (AU)，并为每个单位计算以下景观指标：每个土壤覆盖类别的覆盖面积 (CA) - 沙丘田 (CA-DUNES)、水体 (CA -WATER）、密集的restinga（CADENSE）、分散的restinga（CA-SCATTER）、草原（CA-SANDY）、红树林（CA-MANG）、人为活动（CA-ANTRO）和次生植被（CA-SECOND）；景观香农多样性指数（SHDI），以及；原生植被覆盖率（NV-COV）。 [24] 第二个区域的特点是大量沙丘田。 [25] 加那利群岛的风成沉积系统具有一定的自然和社会经济特征，使其成为不同的环境，无论是在西班牙还是欧洲的沙丘领域。 [26] 硅质碎屑矿床由沙丘田、砂片和河谷矿床相组合组成。 [27] 摘要本文介绍了位于塞阿拉州阿拉卡蒂市的卡诺阿克夫拉达地区沙丘场的地球动力学和形态发生分析。 [28] 通过这些方法，获得的一些结果是景观的去特征化，沙丘场的演化过程与矿物提取和地下水位露头的确定在整个清单中列出了正面和负面影响，以及与环境中的发展影响相关的交互矩阵。 [29] 史密斯 1965 年的论文展示了一项科学工作的侦察工作的一个很好的例子，它为 (1) 使用航空照片解释提供有关沙丘场的时间顺序信息奠定了基础； (2) 使用风成过程和地貌作为气候变化指标； (3) 地外或行星地貌。 [30]
Coastal Dune Field 沿海沙丘场
The coastal dune fields of central Chile result of the interactions between glacioeustatic sea level changes, climatic changes and the tectonic uplift of the coast during the Quaternary. [1] The Lençóis Maranhenses National Park (LMNP) constitutes the largest coastal dune field in South America. [2] This study aimed to evaluate these benefits by exploring the perception of the Mapuche communities and representatives of the local government concerning the ES provided by the coastal dune fields of the Araucania Region of Chile. [3] In this sense, dryer and cold Heinrich events led to the formation of extensive coastal dune fields when the sea level dropped. [4] Many coastal dune fields also host a range of economic activities such as farming, mining, and animal grazing, which can affect their evolution. [5] ABSTRACT The Inskip Peninsula is the link between two major coastal dune fields; Fraser Island (the world’s largest sand island) and the adjacent Cooloola Sand Mass. [6] Outcrop-based facies/microfacies and stratigraphic analysis of this succession allowed the individualization of two facies associations (FA), representative of a shallow carbonate platform system adjacent to a coastal dune field. [7] However, the contemporaneous and neighbouring coastal dune field sedimentary rocks of the Moab Member of the Curtis Formation, characterized by five stacked aeolian sequences, as well as the supratidal deposits of the Summerville Formation, lingered to record allocyclic signals, as the Curtis Sea regressed. [8] Many coastal dune fields have developed on the east coast of Fujian China and now occur as widespread typical coastal aeolian sand landforms on the Liuao Peninsula, Gulei Peninsula and Dongshan Island, but it is difficult to evaluate the dynamic geomorphologic process of sandy coast due to the lack of systematic and accurate chronological data. [9] A global analysis shows that vegetation cover has increased substantially on multiple, geographically dispersed, coastal dune fields on all continents in the period 1984–2017. [10] It has been reported that the formation and stabilization of coastal dune fields in Brazil have a dependence on the climatic changes, Relative Sea Level (RSL) variations, etc. [11]智利中部沿海沙丘地带是第四纪冰川海平面变化、气候变化和海岸构造抬升相互作用的结果。 [1] Lençóis Maranhenses 国家公园 (LMNP) 是南美洲最大的沿海沙丘场。 [2] 本研究旨在通过探索马普切社区和当地政府代表对智利 Araucania 地区沿海沙丘田提供的 ES 的看法来评估这些好处。 [3] nan [4] 许多沿海沙丘地区还开展一系列经济活动，如农业、采矿和放牧，这可能会影响它们的演变。 [5] 摘要 Inskip 半岛是两个主要的沿海沙丘区之间的纽带。弗雷泽岛（世界上最大的沙岛）和毗邻的库鲁拉沙丘。 [6] 基于露头的相/微相和该序列的地层分析允许两个相组合（FA）的个体化，代表与沿海沙丘场相邻的浅层碳酸盐台地系统。 [7] 然而，随着柯蒂斯海的退缩，柯蒂斯组莫阿布段的同期和邻近沿海沙丘场沉积岩（以五个堆叠的风成层序为特征）以及萨默维尔组的潮上沉积物徘徊以记录异环信号。 [8] 中国福建东海岸发育了许多沿海沙丘田，现在在六澳半岛、古雷半岛和东山岛作为典型的沿海风沙地貌出现，但由于沙质海岸的动态地貌过程难以评价。缺乏系统和准确的年代数据。 [9] nan [10] nan [11]
Aeolian Dune Field
Geomorphological investigations coupled with sedimentological, petrographical, and SEM analyses allowed to identify, for the first time, a paleo-fixed and inland aeolian dune field in the Gioia Tauro Plain, on the Tyrrhenian side of southern Calabria (southern Italy). [1] Rare crevasse channels and restricted aeolian dune fields occur adjacent to braided channel belts. [2] In the interest of generality, these exercises are based upon flow over canonical dune geometries—which serve as a comparative benchmark—and flow over a section of the White Sands National Monument aeolian dune field in southern New Mexico. [3] Aeolian dune fields are relatively well represented along the cliff coast of Asturias and Cantabria (NW Iberian Peninsula) (Fig. [4] The distribution of cross-set thicknesses is important data for reconstructing ancient aeolian dune fields from the strata they accumulated, but most aeolian strata on Mars must be observed from satellite. [5] Aeolian dune field chronologies provide important information on drought history on the Great Plains. [6]地貌调查与沉积学、岩石学和 SEM 分析相结合，首次在卡拉布里亚南部（意大利南部）的第勒尼安一侧的焦亚陶罗平原上发现了一个古固定的内陆风沙场。 [1] 罕见的裂隙河道和受限制的风成沙丘场出现在辫状河道带附近。 [2] 为概括起见，这些练习基于流经标准沙丘几何形状（作为比较基准）并流经新墨西哥州南部白沙国家纪念碑风沙场的一部分。 [3] 沿阿斯图里亚斯和坎塔布里亚（伊比利亚半岛西北部）的悬崖海岸相对较好地代表了风成沙丘场（图 1）。 [4] 交叉集厚度分布是从其积累的地层重建古代风沙场的重要数据，但火星上的大部分风沙地层必须通过卫星观测。 [5] 风沙沙丘年表提供了有关大平原干旱历史的重要信息。 [6]
Sand Dune Field 沙丘场
Here, field results from White Sands Dune Field, New Mexico, USA, are used to test the hypothesis that dune height controls the arrangement, abundance, and geometry of cross-stratification types. [1] The Pleistocene sand sea on the Arctic Coastal Plain (ACP) of northern Alaska is underlain by an ancient sand dune field, a geological feature that affects regional lake characteristics. [2] The Chilean coast is controlled by the tectonics and structure, generating an irregular coastal landscape, with bays, marine terraces, sandy and gravel beaches, sand dune fields and Andean slopes, forming some mega cliffs that are attacked by waves. [3] The study area comprises about 300ha in a sand dune field with patchy shrubs in Salvador, Bahia, Brazil. [4] It is endemic to the sand dune field of the arid Brazilian Caatinga, on the west side of the Middle São Francisco River, from Barra to Pilão Arcado (Bahia, Brazil). [5] Protodunes emerge from a flat sand bed at the upwind margin of White Sands Dune Field, and, over several hundred meters, transition into fully developed dunes. [6]在这里，来自美国新墨西哥州白沙沙丘田的现场结果用于检验沙丘高度控制交叉分层类型的排列、丰度和几何形状的假设。 [1] 北冰洋沿岸平原（ACP）上的更新世沙海 阿拉斯加北部是一个古老的沙丘田，地质 影响区域湖泊特征的特征。 [2] 智利海岸受构造和构造的控制，形成了不规则的海岸景观，海湾、海洋阶地、沙滩和砾石海滩、沙丘田和安第斯山坡，形成了一些受海浪侵袭的巨型悬崖。 [3] 研究区域包括巴西巴伊亚州萨尔瓦多的一个沙丘田地，占地约 300 公顷，灌木丛生。 [4] 它是巴西中部圣弗朗西斯科河西侧，从巴拉到皮朗阿尔卡多（巴西巴伊亚）的干旱巴西卡廷加沙丘地带的特有种。 [5] nan [6]
Large Dune Field 大沙丘场
Its composite structure includes large dune fields hosted in sedimentary basins separated by elevated areas exposing the roots of Precambrian orogens or created by recent intraplate volcanism. [1] While remote sensing methods have long been used for coastal and desert sand dune studies, few methods have been developed for the automated measurement of dune migration in large dune fields. [2] Extensive luminescence and 14C dating of aeolian sand dunes and sheets in the Central Great Plains (CGP) have been biased toward the western part of the region, targeted relatively large dune fields, and produced primarily Holocene (Marine Isotope Stage (MIS) 1) and latest Pleistocene (MIS 2) ages. [3] It is the only coastal desert in the world that includes large dune fields, among the biggest in the world, influenced by fog. [4] Finally, the inter-dunal corridors in large dune fields are also mentioned as a source of dust as previous studies already show. [5]其复合结构包括位于沉积盆地中的大型沙丘区，由暴露前寒武纪造山带根部或由近期板内火山作用形成的高架区域隔开。 [1] 虽然遥感方法长期以来一直用于沿海和沙漠沙丘研究，但很少有方法用于自动测量大型沙丘田中的沙丘迁移。 [2] 大平原中部 (CGP) 风成沙丘和片材的广泛发光和 14C 年代测定偏向该地区西部，针对相对较大的沙丘场，主要产生全新世（海洋同位素阶段 (MIS) 1）和最新的更新世 (MIS 2) 年龄。 [3] 它是世界上唯一一个受雾影响的沿海沙漠，包括大沙丘，是世界上最大的沙丘之一。 [4] nan [5]
Southern Dune Field
Differences in dune heights between the northern and southern dune field sectors at Hermenegildo Beach do not significantly influence the mean coastal retreat. [1] In contrast, southern dune fields (<45°S) were less mobile, likely as a result of seasonal frost and ground ice suppressing sand availability. [2]Hermenegildo 海滩北部和南部沙丘区域之间的沙丘高度差异不会显着影响平均沿海退缩。 [1] 相比之下，南部沙丘田（<45°S）的流动性较小，可能是由于季节性霜冻和地冰抑制了沙子的可用性。 [2]
U Dune Field
The Mu Us dune field is one of China’s four major dune fields, which are ecologically vulnerable areas of northwest semiarid land across Shaanxi, Ningxia, and Inner Mongolia, also very sensitive to the global temperature rise and environmental changes. [1] Therefore, this study investigates the grain-size characteristics of surface sediments of a nebkha field with 50%–80% vegetation cover at the southern margin of the Mu Us dune field. [2]毛乌素沙丘田是中国四大沙丘田之一，是陕西、宁夏、内蒙古西北半干旱地区的生态脆弱区，对全球气温上升和环境变化也非常敏感。 [1] 因此，本研究调查了毛乌素沙丘田南缘植被覆盖率为50%~80%的nebkha田表层沉积物粒度特征。 [2]
Mobile Dune Field
In particular, we demonstrate that natural and highly mobile dune fields have become over-stabilised and immobile directly as a result of contemporary anthropogenic factors and that the failure to both consider a full systems approach to coastal dune environments and to correctly interpret the remobilisation process leads Delgado-Fernandez et al. [1] ABSTRACT In this paper, the authors use the site of Saruq al-Hadid – a ‘persistent temporary place’ located in the mobile dune fields of the north eastern edge of the Rub’ al-Khali desert – as a lens to focus discussion on the variable nature of temporary sites and mobile adaptations within the archaeology of southeastern Arabia, the relationships between temporary sites and permanent settlements, and the evidence for collective events and gatherings from later prehistory into the Islamic period. [2]特别是，我们证明了由于当代人为因素直接导致自然和高度流动的沙丘场变得过度稳定和静止，并且未能考虑对沿海沙丘环境采取完整的系统方法并正确解释再活动过程导致德尔加多-费尔南德斯等人。 [1] 摘要 在本文中，作者使用 Saruq al-Hadid 遗址——一个位于鲁卜哈利沙漠东北边缘移动沙丘地带的“永久临时场所”——作为聚焦讨论的镜头。阿拉伯东南部考古学中临时遗址和移动适应的可变性质，临时遗址和永久定居点之间的关系，以及从史前后期到伊斯兰时期的集体事件和聚会的证据。 [2]
Complex Dune Field
Simulations of the full evolution from an initially flat snow layer to a complex dune field are performed next. [1] Simulations of the full evolution from an initially flat snow layer to a complex dune field are performed next. [2]接下来进行从最初平坦的雪层到复杂沙丘场的完整演变的模拟。 [1] 接下来进行从最初平坦的雪层到复杂沙丘场的完整演变的模拟。 [2]
Linear Dune Field
The Cassini mission made an unexpected discovery when it found evidence of linear dune fields on Titan’s surface. [1] This sand budget is discussed to distinguish an elongating linear dune from a barchan dune and to explain the complexity of linear dune fields in nature. [2]卡西尼号任务在泰坦表面发现了线性沙丘场的证据时，有了一个意想不到的发现。 [1] 讨论这种沙子预算是为了区分细长的线性沙丘和新月形沙丘，并解释自然界中线性沙丘场的复杂性。 [2]
Largest Dune Field
One of the largest dune fields in the Przemsza River basin and most floodplain and under-slope flattening dunes were utterly destroyed. [1] It is located in the northeastern state of Maranhão and encompasses the largest dune fields in the country. [2]普热姆萨河流域最大的沙丘之一和大部分洪泛区和坡下平坦的沙丘被彻底摧毁。 [1] nan [2]
Active Dune Field
Active aeolian systems are present across the martian surface, with active dune fields commonly found in depressions such as craters and valleys. [1] The Ebro Delta is one of the most significant coastal sedimentary formations in Spain, not only for being the largest and most important delta in the country, but also for presenting several active dune fields on it. [2]活跃的风成系统遍布火星表面，活跃的沙丘地带通常出现在陨石坑和山谷等洼地中。 [1] nan [2]
Sanlongsha Dune Field
The Sanlongsha dune field, on the northern edge of China's Kumtagh Sand Sea, is a large area with strong winds, causing rapid dune migration and evolution of dune morphology. [1] The Sanlongsha dune field, on the northern edge of China’s Kumtagh Desert, connects to the desert through the Aqik Valley. [2]位于中国库姆塔格沙海北部边缘的三龙沙沙丘场，是一个大风区，沙丘迁移迅速，沙丘形态演变。 [1] nan [2]
Eolian Dune Field 风尘沙场
On the basis of fourteen detailed sedimentologic logs located in the western side of the basin, a total of nine facies associations are recognized: braided permanent fluvial channel belt, pedogenized floodplain, shallow floodplain lakes, eolian dune field, alkaline lake, saline lake, shallow freshwater lake, and permanent braided gravelly channel belt facies associations. [1] Zone 6 comprises an eolian dune field composed of parabolic dunes with two phases of active sedimentation (45. [2]根据盆地西侧14个详细的沉积学测井资料，共识别出9个相组合：辫状永久河道带、成土漫滩、浅漫滩湖、风沙场、碱性湖、盐湖、浅层淡水湖和永久辫状砾石河道带相组合。 [1] 6区包括一个由抛物线沙丘组成的风成沙丘场，具有两个活跃的沉积阶段（45. [2]