Gully in arid climate.

This study was performed in the Zhifanggou watershed (area 8.27 km 2, elevation 1010-1431 m a.s.l) of Ansai county, Shannxi province, locates in the central part of the Loess Plateau and belongs to the typical hilly and gully region (Fig. 1).The watershed features a typical arid and semi-arid continental monsoon climate with a mean annual precipitation of 505 mm and a mean annual air ...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 …Introduction. In the cold, nutrient-poor, and hyper-arid McMurdo Dry Valleys (MDV) of Antarctica, water availability serves as a primary factor governing the persistence and distribution of life (Kennedy, 1993).Climate, generally understood as long-term records of air temperature and precipitation, determines water availability on a regional scale, whereas …This study examined the performance of two ensemble models based on multicriteria decision making (MCDM) analysis, analytic hierarchy process (AHP), weight of evidence (WoE) and random forest (RF) for spatiotemporal monitoring of gully erosion sensitivity (GES) from 1988 to 2019 as well as a projection for 2040 in a semi-arid area.The combination of climate extremes, soil with high content of fine particles, a hilly topography, intense cultivations, and local farmers that are often unaware of soil conservation practices leads to enhanced soil erosion and incision phenomena ( Catt, 2001, Sun et al., 2014 ).

Thus, Meigs's maps of arid climate types include a number of subdivisions where the first digit represents the coldest month and the second digit the warmest month; 03 indicates a winter month with temperatures below 0°C and 3 indicates a summer month with average temperatures of 20-30°C.

Gully erosion is considered to be one of the most important soil erosion processes, but its contribution to soil loss is still discussed. Despite the efforts made to understand the occurrence and dynamics of gullies, there is still a lack of knowledge on the factors leading to gully formation and growth. Within this study, the results from monitoring of gully-growth with high-resolution aerial ...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, central ...

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 ...applied in all areas. Meanwhile, the e ects and levels of gully erosion in each region are di erent [43]. In the present study, gully erosion in the Markazi province (Iran), which has an arid and semi-arid climate, was investigated and predicted. Gullies often occur in this area and cause very extensiveAlong with the global climate change, gully erosion, flood and drought jointly restrict the sustainable development of arid rangeland in Central Asia. Rainwater harvesting (RWH) system in gully is ...The 100th meridian west (solid line) coincides with the climate divide between the relatively moist eastern U.S. and the more arid West. Climate change may already be pushing the divide eastward ...Answers for Gully or streambed in North Africa and the Middle East that remains dry except during rainy season. 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 or streambed in North Africa and the Middle East that remains dry except during rainy season. or most any crossword ...

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 ...

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 zo ning for comprehensive management planning by executive agencies remain essential.

Request PDF | Gully monitoring in semi-arid landscapes | The objective of this paper is to present an overview and first results of a research project on gully monitoring which employs large-scale ...Gully erosion destroys agricultural and domestic grazing land in many countries, especially those with arid and semi-arid climates and easily eroded rocks and soils. It also generates large amounts of sediment that …However, under the current arid climate, an increase in the erosive processes removing part of the late Pleistocene sediments has been observed in the region. ... An early version of the manuscript was presented in Gully erosion under global change Y. Li, J. Poesen and C. Valentin (Editors): Sichuan Science and Technology Press, Chengdu, China ...Collapsing gully erosion developed upon granite residual soil is the most devastating form of soil erosion in southern China. However, despite extensive investigations of the controlling factors of gully erosion, including granite regolith properties (pedon scale), slope geometry and hydraulic conditions (watershed scale), and local climate (regional scale), little is known about the ...Dry gully. Crossword Clue Here is the answer for the crossword clue Dry gully featured in Times Concise puzzle on July 8, 2023.We have found 40 possible answers for this clue in our database. Among them, one solution stands out with a 95% match which has a length of 4 letters. We think the likely answer to this clue is WADI.. Crossword Answer:The semi-arid hilly gully region of the Loess Plateau is located in northwestern China and has gullies and a fragmented topography. Because of the influences of the geographic environment, climate and excessive anthropogenic effects for thousands of years, this area has been one of the most vulnerable areas in China for a …

Here is the solution for the Desert gully clue featured in Wall Street Journal puzzle on March 19, 2024. We have found 40 possible answers for this clue in our database. Among them, one solution stands out with a 94% match which has a length of 6 letters. You can unveil this answer gradually, one letter at a time, or reveal it all at once.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.Under the simulated climate change scenario, the arid soil of PA exhibited a more pronounced response compared to the semiarid soil of SG. ... Increase in soil aggregate stability along a Mediterranean successional gradient in severely eroded gully bed ecosystems: combined effects of soil, root traits and plant community …The HLTR has a semi-arid continental climate in the middle-temperate zone. The average annual precipitation is 445 mm, mostly in short duration, high intensity rainfall. The precipitation from June to October accounts for more than 75 percent of annual precipitation. ... The DLR is a loess hill-gully landform (37°30′-37°56′ N, 109°14 ...The ongoing debate about the nature of coupling between climate and tectonics in mountain ranges derives, in part, from an imperfect understanding of how topography, climate, erosion, and rock uplift are interrelated. Here, we demonstrate that erosion rate is nonlinearly related to fluvial relief with a proportionality set by mean annual rainfall.

Nov 1, 2020 · The natural vegetation is defined as arid, sparsely distributed, except for localized linear features along the wadis (Smith et al., 2012), in soil patches (Mor-Mussery et al., 2014) and in unprocessed plots in the cultivated areas (Poesen, 2011). Most of the Western gully has a 'U' shape (Capra, 2013) with 5-45° slopes from the surrounding ...

This research studies the effect of climate change on the hydrological behavior of two semi-arid basins. For this purpose, the Soil and Water Assessment Tool (SWAT) model was used with the simulation of two future climate change scenarios, one Representative Concentration Pathway moderate (RCP 4.5) and the other extreme (RCP 8.5). Three future periods were considered: close (2019-2040 ...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 continental climate [].The Crossword Solver found 30 answers to "Gully in arid climate(6)", 12 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.The study area is located in an arid environment with an annual average rainfall of 150 mm with mean annual temperature of 14.5°C, and relative air humidity of 52%.Generally about 80% of precipitation falls in 2-3 intense storm events, predominantly towards the end of autumn and winter, with a high temporal and spatial variability typical of such arid regions.1. Introduction. Gullies and gully erosion are major problems worldwide, particularly in arid and semi-arid environments where vegetation can be relatively scarce and therefore ineffective for protecting the soil surface from high-intensity rainfall and overland flow of water (Kompani-Zare et al., 2011; Sankey and Draut, 2014).Gullies are deep channels eroded by the concentration of flowing ...Abstract. In the Tigray highlands, gully development is linked to poverty-driven unsustainable use of the land in a vulnerable semi-arid and mountainous environment, where intense rainfalls challenge the physical integrity of the landscape. Over the last two centuries, three major phases in the hydrological regime of the region could be ...Nov 20, 2019 · Gully headcut retreatment varied from 0.99 to 1.4 m year −1 in various pedo-climatic regions, and ephemeral gully erosion in semiarid climate of Iranian Loess Plateau has resulted in a soil loss of 4 t ha −1 year −1. Based on the obtained results, enough studies paid to gully erosion and various controlling factors have been determined. In spite of many research efforts on gully erosion, there is an argument about causes of gully erosion among researchers. Causes of gully erosion can be classified into three categories: human impact (Bork et al., 2001, Starr, 1989), climate change (Gregory and Moore, 1931) and intrinsic changes (Schumm and Hadley, 1957). Examples and causes of gully erosion include: land use change and ...Management to Adapt to Climate Anomalies in the Coastal Area of Pare-Pare Gulf, District of Pinrang M H Fattah, S R Busaeri, M Kasnir et al.-Evaluation of karst water quality as an early reference of land suitability mapping for vaname shrimp (Litopenaeusvannamei) culture media D M Wildan, R Affandi, N T M Pratiwi et al.-Recent citationsBecause 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 resulting high-resolution images (pixel sizes > 10 cm) are employed for photogrammetric and GIS analysis in order to quantify gully development with linear, areal and volumetric measurements at various sites in semi-arid landscapes of Spain and Africa.Linear headcut retreat rates for 12 gullies were analysed in order to investigate their ...

13 Feb 2020 ... Perhaps I should say, how NOT to Hugelkulture instead? As these are the lessons I've learned about Hugelkulture in arid climates.

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.Open-pit coal mine dumps in semi-arid areas in northern China are affected by serious soil erosion problems. The conventional field investigation method cannot ensure a fine spatial analysis of gully erosion. With recent technological and algorithmic developments in high-resolution terrain measurement, Unmanned Aerial Vehicles (UAVs) and Structure from Motion (SfM) technology have become ...This paper presents data on gully head retreat rates in Northern Ethiopia and relates these rates to gully and environmental characteristics. The monitoring of headcuts over one rainy season (2010) revealed that present-day retreat rates are low, with average annual linear (Rl ), areal ( Ra) and volumetric ( Ve) retreat rates of 0.34 m y −1 ...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 ...Often-parched gully -- Find potential answers to this crossword clue at crosswordnexus.comArid 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 ...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.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 ...Over 80 years, gully density has significantly increased to 1.59 km km −2 with less vegetation growing in their channel, but 66% of these gullies were treated with check dams. There was c. 3 km km −2 of indigenous SWC structures ( daget or lynchets) in 1935–1936 whereas a high density (20 km km −2 ) of introduced SWC structures (mainly ...The climate is hot with distinct dry and wet seasons (Deng et al., 2020). The average annual temperature is 21.9 °C and the average annual precipitation is 613.8 mm. ... Modelling gully-erosion susceptibility in a semi-arid region, Iran: Investigation of applicability of certainty factor and maximum entropy models. Sci. Total Environ. (2019) L ...Gullies and Moraines Are Islands of Biodiversity in an Arid, Mountain Landscape, Asgard Range, Antarctica ... Cold, dry, and nutrient-poor, the McMurdo Dry ...

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 ...In this study, we introduced a novel hybrid artificial intelligence approach of rotation forest (RF) as a Meta/ensemble classifier based on alternating decision tree (ADTree) as a base classifier called RF-ADTree in order to spatially predict gully We found 11 answers for the crossword clue Gully. A further 17 clues may be related. If you haven't solved the crossword clue Gully yet try to search our Crossword Dictionary by entering the letters you already know! (Enter a dot for each missing letters, e.g. “F.RR..” will find “FURROW”.) Instagram:https://instagram. kohler 3 in 1 shower head flow restrictor removalivy league early decision datehideout warrenton mohomewyse shower tile Synonyms for GULLY: trench, canyon, ravine, wadi, gutter, coulee, arroyo, gulch, gorge, saddleJan 1, 2002 · Poesen et al. (2002) summarized the results of a number of studies concerning gully erosion in Mediterranean, semi-arid and arid environments and found that the contribution of gully erosion to ... longs ewa beach pharmacyeli 511 10 mg Under the simulated climate change scenario, the arid soil of PA exhibited a more pronounced response compared to the semiarid soil of SG. ... Increase in soil aggregate stability along a Mediterranean successional gradient in severely eroded gully bed ecosystems: combined effects of soil, root traits and plant community …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 ... jamba juice locations california Kurt L. Frankel, James F. Dolan Characterizing arid region alluvial fan surface roughness with airborne laser swath mapping digital topographic data, Journal of Geophysical Research: Earth Surface 112, no.F2 F2 (May 2007).Among the land degradation processes, gully erosion is the one that poses more environmental and societal challenges in arid regions. Predicting spatiotemporal gully development in a region under changing conditions is important to adopt proper mitigation measures.