Gully in arid climate.

Climate, generally understood as long-term records of air temperature and precipitation, determines water availability on a regional scale, whereas variations in …A dry climate is a region of the world where there is little precipitation and the air is very dry, according to Maps of the World. Dry climate is divided by climatologists into th...Gully erosion analysis, monitoring, and modeling are complex issues because gullies are complex landforms, usually polygenic, highly dynamic, and man-induced. Numerous variables have been tested using a variety of approaches. Terrain, soil, and cover harbor most of the properties from which variables are derived.The climate is semi-arid with an annual rainfall of 370 mm and average potential evapotranspiration of 880 mm (Jafari Shalamzari and Zhang, 2018). Materials and methods. To predict and analyze the gully heads and their nature of occurrence in the two sites, the LANDPLANER model was used.The climate at this study site is typically arid and semiarid, which is influenced by the combination of the North China monsoon and northwest arid climatic conditions. Precipitation mainly occurs between June and September, amounting to ~535 mm per year, and displays significant inter-annual variability (Wang et al. 2013 ).

Catchments generally consist of the hillslope domain and the gully domain on the semi-arid Loess Plateau (Gao et al. 2016). The hillslope domain is located in higher parts of a catchment and has gentle slopes (generally <25°). ... The site has a semi-arid continental climate: mean annual temperature of approximately 9.8 °C and mean annual ...A three year monitoring programme of gully-head retreat was established to assess the significance of sediment production in a drainage network that expanded rapidly by gully-head erosion on the low-angled alluvio-lacustrine Njemps Flats in semi-arid Baringo District, Kenya.

Jun 1, 2022 · The climate is arid with rainfall events mostly between September and March of the following year, nevertheless, convective rain evens became more common in recent years (Goldreich, 2012). The rainfall amounts from 2013 until 2018 are given in Supp. 2. From 2000 to 2021, agricultural water consumption accounted for more than 80% of total water consumption each year in China's arid areas, and agricultural water consumption increased by 1.47 billion m 3 during that time ().Groundwater, the main water source for agricultural production in these regions (), decreased by more than 11.08 billion m 3 (), resulting in large-scale aquifer depletion ().

This report prepared by ICRISAT under its Global Theme on Agroecosystems deals with the problem of gully erosion, which is common in the semi-arid region, characterized by denuded landscape and flash floods. An estimated 4 million ha land in India and 29 million ha of land in Africa are affected by severe gully erosion. Gully erosion is more difficult and expensive to control than other types ...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 …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.In arid and semi-arid climates, such as the Semnan province, Iran, gullies cause very extensive damage and are considered a major environmental problem [26,46]. Therefore, the identification of the causes of gully erosion development and its zoning for comprehensive management planning by executive agencies remain essential.Gully erosion, a destructive form of soil erosion, is caused due to removal of different sediments, sands, rocks etc., from soil or earth surface by the action of running water (Charlton 2008; Kirkby and Bracken 2009; Kale and Gupta 2010).It is usually observed in arid and semi-arid regions due to high seasonal variation in rainfall and absence of dense vegetation cover (Charlton 2008; Gao ...

Introduction. Arid lands occupy 14 per cent of India's total land area, and. include both hot and cold arid regions. While the major part of the. hot arid region occurs in the state of Rajasthan ...

The area is in a cool-temperate zone with a semi-arid climate. The climate is cold and dry in the winter and spring, and hot and rainy in the summer. ... Spatial variability of soil moisture content and its relation to environmental indices in a semi-arid gully catchment of the Loess Plateau, China. J. Arid Environ., 49 (4) (2001), pp. 723-750.

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 erosion is one of the most extreme land degradation processes that exhibit spatial and temporal variation depending on topography, soil, climate, and land use and management characteristics. This study investigated the impact of changes in rainfall, land use/land cover (LULC), and land use management (LUM) practices on gully …Section snippets Study site. The research was conducted in the arid central Negev desert (Fig. 1). The rainy season in this area extends from November through April and mean annual precipitation for the northern Negev Highlands near Sede Boqer is 91 mm (Bitan and Rubin, 1991).However, the inter- and intra-annual variation in rainfall is very high (Avni, 2005, Bitan and Rubin, 1991).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 ...People working in the field of vernacular architecture located in arid zones acknowledge that these settlements have developed urban and architectural morphologies well adapted to the extreme physical environment. They identify adaptive features in urban and architectural patterns, cohesive social structure, and finally, adaptive behaviors derived from an indigenous "know-how."Examines the processes operating in the headwaters and main channels of ephemeral rivers in semi-arid environments and includes coverage of current fieldwork investigations, modeling approaches, and management issues. focuses on dryland channel networks and processes presents a historical framework for research discusses examples of current studies and evaluates contemporary modelling ...

The gully Puentes 2 (Fig. 2 a) is a V-shaped, double-branched gully forming a tributary to a larger gully system which has developed along a drainage line running down the marly hillslopes of the Cabezo de Agua Amarga, just 1 km northwest of the now infilled Puentes Reservoir.Its drainage area covers approx. 3800 m 2, with the northern branch - belonging to the rilled-abrupt type ...This study aimed at (i) developing, evaluating and comparing the performance of support vector machines (SVM), boosted regression trees (BRT), random forest (RF) and logistic regression (LR) models in mapping gully erosion susceptibility, and (ii) determining the important gully erosion conditioning factors (GECFs) in a Kenyan semi-arid landscape. A total of 431 geo-referenced gully erosion ...2. Materials and methods2.1.. Study siteThe research was conducted in the arid central Negev desert (Fig. 1).The rainy season in this area extends from November through April and mean annual precipitation for the northern Negev Highlands near Sede Boqer is 91 mm (Bitan and Rubin, 1991).However, the inter- and intra-annual variation in rainfall is very …In arid and semi-arid climates, such as the Semnan province, Iran, gullies cause very extensive damage and are considered a major environmental problem [26,46]. Therefore, the identification of the causes of gully erosion development and its zoning for comprehensive management planning by executive agencies remain essential.Download Citation | On Jul 3, 2023, Kai Cui and others published Temporal and Spatial Characteristics and Influencing Factors of Runoff-Gully in Rammed Earthen Sites in Arid Area | Find, read and ...Study area. The Jinghe River Basin (106°–108° E, 34°–37° N) is a typical loess hilly-gully watershed located in the southern part of the Chinese Loess Plateau (Fig. 1).The Jinghe River originates from the Liupan Mountain and has a total length of 455 km [].The watershed lies in the semi-humid and semi-arid transitional zone with a typical …

These are the hot desert, semiarid, tropical wet-and-dry, equatorial (tropical wet), Mediterranean, humid subtropical marine, warm temperate upland, and mountain regions. Africa: major climate regions. Africa's climate is dominated by desert conditions along vast stretches of its northern and southern fringes.

On August 20, 2019, at 2 a.m., a disastrous debris flow occurred in Chediguan gully in Yinxing town, China. The debris flow destroyed the drainage groove and the bridge at the exit of the gully.Gulch and gully are two words that are often used interchangeably, but they actually have different meanings. A gulch is a narrow and steep-sided ravine that is usually dry, while a gully is a water-worn ravine that is usually wider and deeper than a gulch. One common mistake people make is using gulch to describe a gully.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 ...Climate, generally understood as long-term records of air temperature and precipitation, determines water availability on a regional scale, whereas variations in …Gully erosion is a global driver of soil and landscape degradation. Since 2000, international symposia have been organized to address gully erosion processes, and this paper and special issue provide additional context for the 7 th International Symposium on Gully Erosion held at Purdue University in 2016. Several important themes emerged that include the importance and impact of technology ...A three year monitoring programme of gully‐head retreat was established to assess the significance of sediment production in a drainage network that expanded rapidly by gully‐head erosion on the low‐angled alluvio‐lacustrine Njemps Flats in semi‐arid Baringo District, Kenya.The objective of this paper is to review recent studies on impacts, factors and control of gully erosion and update the review on 'gully erosion and environmental change: importance and research needs' [Poesen et al., 2003. Catena 50 (2-4), 91-134.]. For the farmers, the development of gullies leads to a loss of crop yields and ...

The formation of gully is influenced by various factors, including climate, drainage surface area, slope gradient, vegetation cover, land use, and soil properties. It is a very important problem ...

Often-parched gully -- Find potential answers to this crossword clue at crosswordnexus.com

Because of arid and semi-arid climate, piping and gully erosion is an active phenomenon in the agricultural lands, bare land, and rangeland areas of the Shazand watershed, Markazi Province ...The study area is characterized by an arid and semi-arid climate, influenced by the geographical location, especially the High Atlas Mountains to the north, the Anti-Atlas Mountains to the south, and the Atlantic Ocean to the east. ... Evaluating the influence of geo-environmental factors on gully erosion in a semi-arid region of Iran: An ...The climate is arid with rainfall events mostly between September and March of the following year, nevertheless, convective rain evens became more common in …In terms of evolution, gully erosion has a greater impact in arid and semi-arid regions of the world, resulting in rapid depletion of soil moisture and ground water (Jahantigh and Pessarakli 2011 ...Arid and semi-arid regions store approximately 27% of global soil organic carbon (SOC), thus playing an important role in the global carbon cycle. Although afforestation is widely used to achieve the goals of landscape protection and ecological restoration in these regions, its effects on the dynamics of SOC and total nitrogen (TN) stocks as ...Approximately 40% of all recorded mammal species are rodents, and hence not surprisingly, rodents have the largest number of species in the non-domesticated terrestrial mammals in Qatar (Table 13.1).The indigenous gerbils, jerboas, and jirds are all well adapted to the hyper arid environment in Qatar where there is no natural permanent freshwater source on the surface.Pine trees don’t just survive in extreme conditions and environments — they thrive. After all, pine trees grow in high altitudes, in freezing climates and arid locations, and even ...Understand [edit] Non-polar desert regions. Arid regions are those where the rainfall is very low, and consequently little surface moisture may exist. Major arid regions can be found around the world in North America, South America, Africa, Asia and Australia, and are commonly also referred to as deserts.. Arid regions typically lack large human settlements, and can be a great place to observe ...2. Materials and methods2.1.. Study siteThe research was conducted in the arid central Negev desert (Fig. 1).The rainy season in this area extends from November through April and mean annual precipitation for the northern Negev Highlands near Sede Boqer is 91 mm (Bitan and Rubin, 1991).However, the inter- and intra-annual variation in rainfall is very …Both are part of the lower central plateau Atlantic Meseta. The climate in this region ranges between sub-humid and semi-arid, with a mean annual rainfall of 350 mm over a 32 year period (1970-2002), collected at the Rabat/Sale meteorological station about 22 km away from the study area (DESIRE, 2010). Most of the region consists of rolling ...The study area is characterized by an arid and semi-arid climate, influenced by the geographical location, especially the High Atlas Mountains to the north, the Anti-Atlas Mountains to the south, and the Atlantic Ocean to the east. ... Evaluating the influence of geo-environmental factors on gully erosion in a semi-arid region of Iran: An ...

9 Jan 2020 ... In addition, the soil properties and steep slope (gravity) of the land have contributed in exacerbating the problems. Gully erosion caused ...Gulley Crossword Clue. The Crossword Solver found 30 answers to "Gulley", 5 letters crossword clue. The Crossword Solver finds answers to classic crosswords and cryptic crossword puzzles. Enter the length or pattern for better results. Click the answer to find similar crossword clues . Enter a Crossword Clue. A clue is required. Sort by Length.Higher richness was found in the moister crust habitats (gully and moraine) than the drier non-crust habitats (near gully and slope) for both 16S (p < 0.003) and 18S (p < 0.001) (Figure 5). However, between the dry non-crust habitats, the near gully had significantly greater richness than the slope for both 16S (p < 0.001) and 18S (p < 0.001 ...A three year monitoring programme of gully‐head retreat was established to assess the significance of sediment production in a drainage network that expanded rapidly by gully‐head erosion on ...Instagram:https://instagram. how to change password on comcast emailhopkins county tx inmate searchmezeh morrisville24 hour walmart dallas tx Answers for Gully in north Africa that remains dry except during rainy season (4)/869449/ crossword clue, 4 letters. Search for crossword clues found in the Daily Celebrity, NY Times, Daily Mirror, Telegraph and major publications. Find clues for Gully in north Africa that remains dry except during rainy season (4)/869449/ or most any crossword answer …This aim of this work is to expand the body of the proposed gully erosion modelling and verify a new ensemble artificial intelligence approach based on rotation forest (RF) and the ADTree algorithm, named as RFADT, for gully erosion mapping in a semi-arid watershed, Klocheh, Bijar in Kurdistan province, Iran. roses store new bern ncdoes david spade wear a hairpiece Particularly, in arid mountainous regions, there is still an urgent need to conduct further studies on the application of the Budyko method in revealing the climate-vegetation-hydrology interactions. The objectives of this study were to investigate impacts of climatic factors and vegetation conditions on the variations of ET a .Gully erosion is the most severe type of water erosion and is a major land degradation process. Gully erosion susceptibility mapping (GESM)’s efficiency and interpretability remains a challenge, especially in complex terrain areas. ... This area belongs to the semi-arid climate zone; the average yearly precipitation total is 430 mm. … fedex field seating chart beyonce A three year monitoring programme of gully‐head retreat was established to assess the significance of sediment production in a drainage network that expanded rapidly by gully‐head erosion on the low‐angled alluvio‐lacustrine Njemps Flats in semi‐arid Baringo District, Kenya. This paper discusses the factors controlling the large observed spatial and temporal variation in gully‐head ...The arid valley is a unique type of ecological fragile landscape in the Hengduan Mountain Area, China. The boundary of the arid valley is one of the response indicators to mountainous climate change. Based on the meteorological data from 1999 to 2013 and the SPOT remote sensing images in 1999 and 2013 this study explored the response characteristics of the arid valley boundary to regional ...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.