Gully in arid climate.

Soil moisture is a key element of the hydrological cycle, and it significantly impacts the surface water and energy fluxes. However, a knowledge gap exists on the spatial variability of root-zone soil moisture at the regional scale in arid and hyperarid regions. Thus, soil moisture measurements at 142 sites were taken in Xinjiang (northwest China), and the relationships between soil moisture ...The controversial technology of reflecting sunlight away from the planet could help blunt the worst impacts of climate change. Harvard University climate scientist David Keith weig...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）, …A Novel Ensemble Artificial Intelligence Approach for Gully Erosion Mapping in a Semi-Arid Watershed (Iran) ... Iran. A total of 915 gully erosion locations along with 22 gully conditioning factors were used to construct a database. Some soft computing benchmark models (SCBM) including the ADTree, the Support Vector Machine by two kernel ...The causes of gully formation in this area are related to geological conditions, tectonics, climate, topography and human activities, with the last one being the most influencing factor. In addition, rainfall is concentrated in few events of short duration and high intensity given the arid and semi-arid climate in the study area.

22 Jun 2023 ... the gully defects on their walls prominent. ... climatic areas is as follows: semi-arid > extreme-arid > ... climate areas in the same dynasty ...Sep 9, 2011 · Abstract. This study was aimed at assessing the causes of the gully erosion and its effects on the agricultural lands in the arid region of southeastern Iran. In this study, we have used geologic maps in scales of 1:50,000 and 1:250,000, aerial photographs on a scale of 1:20,000, field observation, and GPS (global positioning system).

In cities with an arid climate, during the daytime, the presence of LST is mainly related to the presence of bare land [65,66,67]. For example, in Marrakesh, the Airport Zone and Sidi Ghanem districts are considered as the hottest districts of Marrakesh, at 35.30 °C and 34.68 °C, respectively.

Gully erosion, doing much harm to land resources by encroaching upon cropland, is well developed in Yuanmou Basin. The impacts of LUCC on Gully Erosion of Yuanmou Basin, including the impacts of different land use and community structure in gully watershed on headward erosion and the impacts of vegetation coverage on gully floor on headward erosion, were analyzed with the field-surveyed data ...One thing all deserts have in common is that they are arid, or dry. Most experts agree that a desert is an area of land that receives no more than 25 centimeters (10 inches) ... Few organisms can withstand the freezing, dry climate of Antarctica. Changing Deserts The regions that are deserts today were not always so dry. Between 8000 and 3000 ...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 extensive damage to the surrounding environment, as well as agriculture productivity [ 30 , 31 ].The science is off the charts. Climate change is here and it's affecting the planet. We'll tell you how and where. Advertisement With the United Nations' climate conference in Scot...Jun 1, 2018 · Influence of gully development on the geomorphological pattern of valleys in arid environments. When referring to gully development within the valleys in arid environments, the upper- and lower-valley (Fig. 4) define two distinct segments that significantly differ from each other in terms of relief, composition, hydrological regime and ...

The closed greenhouse is an innovative crop system in the horticulture sector, integrating appropriate climate control equipment and optimized techniques to collect, store, and reuse solar energy for heating and/or cooling the greenhouse. This concept aims to improve the crop yield and quality with energy efficient and water-saving technologies. A specific focus on the opportunities of ...

The gully and moraine also had significantly higher 16S and 18S ESV richness than the other two habitat types. We further found that many of the phototrophic bacteria and eukaryotes of the gully and moraine share high sequence identity with phototrophs from moist and wet areas elsewhere in the Dry Valleys and other cold desert ecosystems.

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.Gully erosion and climate induced chemical weathering for vulnerability assessment in sub-tropical environment. Author links open overlay panel Rabin Chakrabortty a, ... areas to gully erosion and the impact of land use change on it by using multiple-criteria decision-making algorithm in arid and semi-arid regions. Geoderma, Volume 403, 2021 ...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 …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 gullyVegetation has a big role on the distribution of soil water in gully edges, thus it can be conservation way to manage the soil which has effect for landslide in the semi arid region (Wang et al ...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 ...What Is a Semi-Arid Climate? Regions with semi-arid climates represent the second driest climates in the world after deserts, known for their dry, arid climates. Semi-arid climates typically receive up to twice the amount of rain than desert regions do -- up to 20 inches per year. Semi-arid climates break down into two distinct classifications ...

Jul 4, 2023 · Because of the arid and semi-arid climate, piping and gully erosion is an active phenomenon in the agricultural lands, bare land, and rangeland areas of Markazi province . In the Shazand watershed, heavy precipitation, erosion-sensitive geological formations, over-grazing, and vegetation reduction, gullies are the most important cause of soil ... Studying the spatiotemporal variations in ecosystem services and their interrelationships on the Loess Plateau against the background of the gully control and land consolidation (GCLC) project has significant implications for ecological protection and quality development of the Yellow River Basin. Therefore, in this study, we took Yan’an …Mar 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 ... 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.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 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 ...

Along 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...Kedong County is typical of the black soil region of northeast China in being highly susceptible to accelerated soil erosion by gullying. Using data sourced from Corona satellite imagery for 1965, SPOT5 for 2005 and GF-1 for 2015, the spatial distribution of gullies in the research area was mapped. Land use data for 1965, 2005, and 2015 were obtained from the topographic map of 1954, and from ...

Find 9 different ways to say GULLY, along with antonyms, related words, and example sentences at Thesaurus.com. The lenght of the solutions is between 3 and 11 letters. In total we have solutions for 7 word lengths. All solutions for "gully" 5 letters crossword answer - We have 5 clues, 25 answers & 123 synonyms from 3 to 15 letters. Solve your "gully" crossword puzzle fast & easy with the-crossword-solver.com. In cities with an arid climate, during the daytime, the presence of LST is mainly related to the presence of bare land [65,66,67]. For example, in Marrakesh, the Airport Zone and Sidi Ghanem districts are considered as the hottest districts of Marrakesh, at 35.30 °C and 34.68 °C, respectively.Find 41 different ways to say ARID, along with antonyms, related words, and example sentences at Thesaurus.com.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 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.Oct 9, 2021 · This area belongs to the semi-arid climate zone; the average yearly precipitation total is 430 mm. The soil type is loess, and the soil particles are mainly silt particles that are easy to erode. The land use in the watershed is mainly grassland and cultivated land. There is still some sloping farmland distributed scattered in this watershed. 🏜 List of countries with an arid climate Tatooine, Tunisia (© Greg Keelen on Unsplash) Home / Arid climate A region is arid when it is characterized by a severe lack of available water, to the extent of hindering or preventing the growth and development of plant and animal life. Environments subject to arid climates tend to lack vegetation ...Along 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...

This is even more essential for the assessment of both expected future climate and land use changes. Only a few processes-based models such as DIMGUL/STABGUL ... A., et al., 2019. Modelling gully-erosion susceptibility in a semi-arid region, Iran: Investigation of applicability of certainty factor and maximum entropy …

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 ...

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 ...Feb 1, 1998 · The climate of this region may be described as seasonally dry. Annual rainfall averages 770 mm and annual evapotranspiration averages 713 mm ( Elias Castillo and Ruiz Beltran, 1981 ). December is the wettest month receiving an average of 98.2 mm and July the driest month receiving 18.2 mm. Most gully erosion research has been done to estimate the susceptible zones and ultimately select the best model. In this research, a test application has been made by considering some important models. Then the "vulnerability assessment" was done with the help of "gully erosion, climate-induced chemical weathering and socio-economic ...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.The climate in Juneau and the southeast panhandle is a mid-latitude oceanic climate (Köppen Cfb). The climate in the extreme north of Alaska is what would be expected for an area north of the Arctic Circle — it is an Arctic climate (Köppen ET) with long, very cold winters and short, cool summers. Akclimate.org says the following: "The altitude above sea level influences the climate of a ...The study site was a well-developed gully of Yuanzegou catchment (37°15′N, 118°18′E) (Fig. 1), located in the north central part of the Loess Plateau in the northern Shaanxi province of China.The catchment covers an area of 0.58 km 2 with a gully area of 0.31 km 2.This area has a semiarid continental climate with (based on data for 1956-2006): mean annual precipitation of 505 mm, 70% ...At each gully head, one or several headcuts, 1.5 to 4.5 m high, are incised into the valley floor, exposing the alluvium sequence down to a coarse conglomerate or to the bedrock. The gully heads divide the valleys in the region into two main segments: (a) The upper valley upstream of the gully head up to the headwater of the drainage basin. In ...Gully erosion is defined as the erosion process whereby runoff water accumulates and often recurs in narrow channels and, over short periods, removes the soil from this narrow area to considerable depths.Permanent gullies (e.g. Fig. 2) are often defined for agricultural land in terms of channels too deep to easily ameliorate with ordinary farm tillage equipment, typically ranging from 0.5 to ...

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.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 ...The Crossword Solver found 30 answers to "Gully", 3 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. # of Letters or Pattern.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 …Instagram:https://instagram. neenah rec park camfisdap operations exammatlab flip vectordoug llewelyn wife 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 characteristics. Plant ...Semantic Scholar extracted view of "Spatiotemporal features of the hydro-biogeochemical cycles in a typical loess gully watershed" by Fubo Zhao et al. ... Vegetation restoration is an important means for regional climate change mitigation and terrestrial carbon sequestration. However, large‐scale vegetation restoration in arid and ... lala inuti ahari reviewscpat testing california The research project MoGul (Large-scale Monitoring of Gully Erosion in Semi-Arid Landscapes) at Trier and Frankfurt University investigates the various types, development and dependencies of gullies as well as geomorphological processes involved in gullying. The investigations are carried out at different sites following a transect from the semi-arid Ebro Basin in Northeast Spain, via the sub ... how to get old venmo statements Gully erosion is an important sediment source in small watershed, and causes severe land degradation, particularly in semi-arid regions. Accurately measuring gully morphological characteristics, and determining its topographic threshold, are vital for gully erosion simulation and control. In this study, 910 gullies were visually interpreted by unmanned aerial vehicle (UAV) technology combined ...In their gully classification scheme, Imeson and Kwaad (1980) ... Both areas have a semi-arid climate; however, the area around Guadix is slightly wetter and cooler than the Guadalentin basin. The annual precipitation in the Guadalentin study area, i.e., ...