Gully in arid climate.
Despite the importance of soil erosion in sustainable development goals in arid and semi-arid areas, the study of the geo-environmental conditions and factors influencing gully erosion occurrence is rarely undertaken. As effort to this challenge, the main objective of this study is to apply an integrated approach of Geographic Object-Based Image Analysis (GEOBIA) together with high-spatial ...
Key Laboratory of Agricultural Soil and Water Engineering in Arid and Semiarid Areas, Ministry of Education, Northwest A & F University, Yangling, China. ... Ephemeral gully erosion is a significant form of soil erosion that visibly impacts soil productivity and restricts land use. While watersheds are fundamental for controlling soil erosion ...Gully erosion is an environmental problem in arid and semi-arid areas. Gullies threaten the soil and water resources and cause off- and on-site problems. In this research, a new hybrid model combines …8 Jan 2017 ... belongs to temperate sub-arid climate. Sandy land is widely distributed there. Gully erosion between dune and sand hill can easily formed by ...Climate change directly affects the large portion of the world's land (Bedia et al., 2015), particularly in the semi-arid and semi-humid climate transition zones (Li et al., 2010, Ma and Fu, 2006). Climate change may endanger the survival of Eurasian forest steppes, especially in the transition area from semi-humid to semi-arid climate, and ...The salinity in wetlands of arid/semi-arid environments will vary naturally due to high evaporative conditions, sporadic rainfall, groundwater inflows, and freshening after rains or floods. However, wetlands are often at particular risk of secondary salinity because their generally lower elevation in the landscape exposes them to increased ...
The climate of this area is classified as semi-arid bordering to arid 58. Mean annual rainfall reaches 251 mm and the mean monthly temperature 14.1 °C. Mean annual rainfall reaches 251 mm and the ...Climate change-induced processes affecting cultural heritage (Ford et al., 2006) ... Intensity of gully erosion in arid zone of Azerbaijan republic (by the example of the region of the Mingechaur water reservoir) Arid Ecosyst., 7 (2017), pp. 251-255, 10.1134/S2079096117040023.Abnormal changes in temperature, precipitation, atmospheric carbon dioxide, or solar radiation are examples of climate change that may affect irrigation water demand. Studies show an increasing trend in the earth's surface temperature, with decreasing trends in rainfall. With most studies focused on predicting the extent of climate change, fewer studies focused on developing appropriate ...
Given that more concentrated rainfall under global climate change, both revegetation type and topography should be considered during ecological restoration in semi-arid areas. ... Evaluating the influence of geo-environmental factors on gully erosion in a semi-arid region of Iran: An integrated framework. Science of The Total Environment ...Even in the less arid regions of mediterranean climates, periodic streams are often distinguished with special names, such as fiumare in Italy and Sicily (Walther, ... Eroding reaches often are separated by undissected or aggrading reaches to form a discontinuous gully system. Integration of the disconnected, eroding reaches into a continuous ...
Mar 22, 2017 · The badland area is located in the Spanish Central System, Province of Segovia (41° 9′ 30′′N; 3° 48′ 30′′ W) at an elevation of 1065 m ( Fig. 1 ). Analyses were performed in a ... The study area has an arid and semi-arid climate where various erosions have occurred in recent years, especially gully erosion; therefore, it is very important to study and evaluate this type of erosion in this area. ... Khaledian, H.; Pradhan, B.; Panahi, M.; et al. A novel ensemble artificial intelligence approach for gully erosion mapping ...In this paper we examine whether gully-head morphology can be used as an indicator for gully development and, hence, for sediment production. A survey was conducted at five hillslopes in the Sierra de Gata where different types of channel heads occur close to each other.Gully head Gully head is located at the upstream end of a gully, and advances towards a catchment divide, which increases the length of a gully. It marks the end of the sheet and rill erosion in the gully drainage area and the beginning of gully erosion processes within a gully system (Fig. 4.5).The heights of the gully heads range from less than 1 m to more than 10 m in the watershed.
Climate Variability and Land-Use Change in the Hilly-Gully Region of the Loess Plateau, China Youcai Kang 1,2,3, Jianen Gao 1,2,3,4,*, Hui Shao 5 and Yuanyuan Zhang 1,2,3 ... This region belongs to the north subtropical arid region, which has an average precipitation of 498 mm, and more than 58% of the rainfall is concentrated from July ...
The gully domain is composed of various gullies that are generally connected to form a natural geographical unit (Liu & Li 2017). The gully domain covers approximately 40% of the total area with a density of 1.5–4.0 km·km −2 …
Evaluation of gully head retreat and fill rates based on high-resolution satellite images in the loess region of China. The acceleration of large gully erosion in the loess environments of China is a matter of concern because of the changing land use and urban expansion. This paper evaluates the gully head retreat and….Even minor gully- ing can alter soil moisture conditions and contribute to poor plant cover. To restore arid climates, mechanical means may be needed to ...In arid climates, where water is scarce, it is crucial to choose crops that can maximize their water-use efficiency. Choosing crops with high water-use efficiency is significant for water-wise farming in arid regions. These crops can produce more biomass or yield per unit of water consumed, ensuring optimal use of limited water resources. ...@article{Bai2019ContributionsOC, title={Contributions of climate change and vegetation greening to evapotranspiration trend in a typical hilly-gully basin on the Loess Plateau, China.}, author={Meng Bai and Xingguo Mo and Suxia Liu and Shi Hu}, journal={The Science of the total environment}, year={2019}, volume={657}, pages={ 325-339 }, url ...Abnormal changes in temperature, precipitation, atmospheric carbon dioxide, or solar radiation are examples of climate change that may affect irrigation water demand. Studies show an increasing trend in the earth's surface temperature, with decreasing trends in rainfall. With most studies focused on predicting the extent of climate change, fewer studies focused on developing appropriate ...Jul 29, 2020 · The study area has an arid and semi-arid climate where various erosions have occurred in recent years, especially gully er osion; therefore, it is very important to study and evaluate this type of ...
Iran. ˜e area lies between the latitude 35° 31′-36° 21′ N and longitude 50° 10′-51° 301). ˜e climate ′ E (Fig. of this area is classied as semi-arid bordering to arid58. Mean ...The climate is a semi-humid continental climate with a long, cold winter. Temperatures in January and July average −20 and 21 °C, respectively (Meteorological Station of Heshan Farm, unpublished data: 1980-1996). ... Oostwoud Wijdenes DJ, Bryan R (2001) Gully-head erosion processes on a semi-arid valley floor in Kenya: a case study into ...In semi-arid areas, the combination of a non-uniform distribution of ... characterised by extensive gullying. The climate of this region may be described as seasonally dry. Annual rainfall averages 770 mm and annual ... The gully catchment used in this study is located in Pinus nigra forest, planted in 1948 on previously ...Some factors (i.e. lithology, topography, climate, the change of population as well as land use during the past 50 years) that could have great influence on the development of gully in the arid-hot basin of Jinshajiang valley were investigated. The results show that the factors leading to the strong gully erosion in this area include: the widely distributed Yuanmou group stratum, which ...Section snippets Study basin. Yanhe River basin (YRB), located in the middle part of the Loess Plateau, China (36°21′N-37°29′N, 108°38′E-110°29′E), covers an area of 7725 km 2 and is a typically hilly-gully region (Fig. 1). The average altitude and gradient of YRB are 1216 m and 17°, respectively.The altitude ranges from 497 m to 1777 m, decreasing gradually from the northwest ...
Even in the less arid regions of mediterranean climates, periodic streams are often distinguished with special names, such as fiumare in Italy and Sicily (Walther, ... Eroding reaches often are separated by undissected or aggrading reaches to form a discontinuous gully system. Integration of the disconnected, eroding reaches into a continuous ...social-economic threshold factors for gully erosion stabilization in semi-arid environment of wanjoga river catchment, upper tana basin, kenya January 2021 DOI: 10.35410/IJAEB.2021.5674
arroyo, a dry channel lying in a semiarid or desert area and subject to flash flooding during seasonal or irregular rainstorms. Such transitory streams, rivers, or creeks are noted for their gullying effects and especially for their rapid rates of erosion, transportation, and deposition. There have been reports of up to 8 feet (2 m) of ...Article on Temporal and Spatial Characteristics and Influencing Factors of Runoff-Gully in Rammed Earthen Sites in Arid Area, published in International Journal of Architectural Heritage ahead-of-print on 2023-07-02 by Kai Cui+4. Read the article Temporal and Spatial Characteristics and Influencing Factors of Runoff-Gully in Rammed Earthen Sites in Arid Area on R Discovery, your go-to avenue ...Investigations have revealed that there are >230,000 Benggang landforms in the granite red soil hilly area in southern China, which indicates that a serious gully erosion phenomenon developed on residual soil formed after the intense physical weathering of granite (Deng et al., 2018; Wei et al., 2019).Due to the high temperature and rainy climate, the slopes covered by granite residual soil ...Jan 2012. Abdal Shahrivar. Christopher B.S. Teh. Shamsuddin Jusop. Majid Soufi. Request PDF | Identification of gully-development processes in semi-arid NE-Spain | Gully erosion is considered to ...Gully incision is a well-known phenomenon developing in loess soils and alluvial sediments in the entire desert region of southern Israel, as well as in other desert regions in the Middle East ...It is well established that climate exerts a strong external control on landscapes; more importantly, changes in climate promote disturbances and threshold crossing, which ultimately produce some geomorphic response (e.g., Bull, 1991).Sediment yields tend to be larger in semi-arid climates than in arid and humid environments due to the regulating effect of vegetation on hillslope stability and ...
resulting in runoff which tends to promote gully erosion. A drier climate in the semi-arid zone is thus expected to foster rill and gully development.
During the monitoring time interval (1990–2001), the linear gully retreat in the study area ranged between 12.3 and 250 m an average rate of 1.12–22.7 m year−1 for each gully head.
The combination of loess soil, an arid climate and intensive and continuous cultivation may promote incision and gully erosion. Whereas most studies focus on geomorphological aspects of gully ...particularly for controlling gully and rills erosion, it is also ... More than forty percent of lands in the world are located in semi-arid and arid climates, where a large population of the world ...Here is the solution for the Like a desert climate clue featured in USA Today puzzle on January 1, 2022. We have found 40 possible answers for this clue in our database. Among ... ARROYO Desert gully (6) Wall Street Journal: Mar 19, 2024 : 3% OASES Desert waterholes (5) 3% MESA Desert formation (4) Commuter: Mar 16, 2024 : …Natural resource use in soil-eroded area under semi-arid climate, central Kenya. 2016 • ... Gully erosion in Western Kenya Province（Fig.1）. The Lake Victoria basin has been forming within Precambrian Mitsuo Hoshino1）, Yusuke Katsurada2）, Koshi Yamamoto1）, Hidekazu Yoshida3）, Mutsuyo Kadohira4）, Kenichiro Sugitani1）, John M ...Comparing the results with the Arid Zone of Azerbaijan Republic, Gurbanov found that D is between 2.0 and 7.0 km/km 2 and the gully frequency is about 15.6 gullies/km 2. The gully density in Dry-Hot Valley is between 0.54 and 6.98 km/km 2 and the gully frequency is about 14.39.Overall, the highest gully densities occur in regions with some topography and a (semi-)arid climate. Nonetheless, it is important to point out that not all gully heads are still actively retreating. Building on earlier insights into the magnitude and controlling factors of gully head retreat rates, we explore what our current results imply for ...named as RFADT, for gully erosion mapping in a semi-arid watershed, Klocheh, Bijar in Kurdistan province, Iran. RF is a relatively new and powerful ensemble framework that has proven its e ffi ciencyMar 1, 2013 · As moisture availability is generally the limiting factor for weathering in arid climates (e.g., ... Gully activity and fan formation, during periods of high obliquity [e.g., Dickson and Head ... The semi-arid loess hilly-gully region in China has an extremely vulnerable ecological environment. Inappropriate land use — crop farming, overgrazing, and plantation forestry - has worsened soil erosion, intensified water shortage, and hence impeded the ecological conservation and agricultural development of the entire region in the past. . Optimizing land use and vegetation cover and ...Water is a precious resource in an arid climate. Ironically, water runoff is a significant cause of land degradation, as irregular, heavy rainfall carries away newly planted seeds and topsoil down into the gully, taking away the community's drinking and irrigation water as well. Building sand dams can divert runoff, and capture and store ...
The province is characterized by a semi-arid Mediterranean climate in the north and arid in the south, with erratic rainfall that does not exceed 400 mm and an average monthly temperature of 9 °C in January and 37 °C in August (Benyahia et al., 2001). The population of the province has witnessed changes over the years of the study.Gully headcut retreat is a natural, ... (GH S) are an important part of the study of geomorphological processes under different types of climate such as arid, semiarid, and temperate and non ...Answers for Gully in arid climate(6) crossword clue, 12 letters. Search for crossword clues found in the Daily Celebrity, NY Times, Daily Mirror, Telegraph and major publications. Find clues for Gully in arid climate(6) or most any crossword answer or clues for crossword answers.Instagram:https://instagram. free stuff in pdxkwikset powerbolt resetlebanon gun show 2023alex kraemer height The gully that was analysed in forest had been deepened by piping during several episodes connected with high precipitation events. ... This method is useful in all types of region, both those with sparse vegetation (such as badlands in a semi-arid climate; e.g. Chilton et al., 2008; Zhu, 2003) and those with dense vegetation (such as ...It has an arid and semi-arid type of climate. The Sub-basin experiences steppe climate (the BSh type climate zone as per Koppen's classification). ... Formations of rills and gully erosion are common in the sub-basin due to the semi-arid climate with high rainfall events and bad topographical surface (Liang et al., 2010). Download : Download ... makeshift tv antenna202 318 3143 4 Sept 2020 ... Gully incision as a key factor in desertification in an arid environment, the. Negev highlands, Israel. Catena, 63(2-3), 185-220. Beck, H. E. ...Gully erosion is considered to be one of the main causes of land degradation in arid and semi-arid territories around the world. In this research, gully erosion susceptibility … kitchen words word whizzle semi-arid region using machine learningmethods:insightfromthe ... Gully erosion is the most common form of water-induced soil ... to climate change impacts and land degradation. In some parts ofThe badland area is located in the Spanish Central System, Province of Segovia (41° 9′ 30′′N; 3° 48′ 30′′ W) at an elevation of 1065 m ( Fig. 1 ). Analyses were performed in a ...During the monitoring time interval (1990-2001), the linear gully retreat in the study area ranged between 12.3 and 250 m an average rate of 1.12-22.7 m year−1 for each gully head.