Resultados de búsqueda - "optics"

Current trends in River Bathymetry using UAV-borne technology to inform E-flow assessments in Southern Africa por Singh, K.

“…To this end, this report focuses on direct methods for bathymetric data collection, exploring optical and acoustic approaches. The primary objective was to explore and investigate UAV-based waterpenetrating surveying techniques to create high-resolution DEMs for hydraulic modelling linked to Eflow studies. …”
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Protected agriculture, precision agriculture, and vertical farming: Brief reviews of issues in the literature focusing on the developing region in Asia por Takeshima, Hiroyuki, Joshi, Pramod Kumar

“…For precision agriculture, recent research has focused on the spatial variability of production environments, development of efficient and suitable data management systems, efficiency of various types of image analyses and optical sensing, efficiency of sensors and related technologies, designs of precision agriculture equipment, optimal inputs and service uses, and their spatial allocations, potentials of unmanned aerial vehicles (UAVs) and nano-technologies. …”
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Estimation of Glacier Outline and Volume Changes in the Vilcanota Range Snow-Capped Mountains, Peru, Using Temporal Series of Landsat and a Combination of Satellite Radar and Aeria... por Montoya-Jara, N., Loayza, H., Gutiérrez-Rosales, R.O., Bueno, M., Quiroz, R.

“…Our methodology is based on a combination of optical, radar and LIDAR data sources, which allowed for constructing coherent temporal series for the both the perimeter and volume changes of the Suyuparina and Quisoquipina glaciers while accounting for the uncertainty in the perimeter detection procedure. …”
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Water productivity mapping using remote sensing data of various resolutions to support more crop per drop por Xueliang Cai, Thenkabail, Prasad S., Biradar, Chandrashekhar M., Platonov, Alexander, Gumma, Murali K., Dheeravath, Venkateswarlu, Cohen, Y., Goldlshleger, F., Ben-Dor, E., Alchanatis, V., Vithanage, Jagath, Anputhas, Markandu

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Ett steg i rätt riktning : digitalisering som en utvecklingsstrategi för en ö i yttre skärgården por Sulander, Sanna

Ko och kalv tillsammans por Bakke, Rebekka Eugenie

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Efecto de dosis de fertilizante de liberación lenta en producción de pimiento por Puello L., Brian A., Suero M., Alexis E.

“…Las fuentes aplicadas fueron nitrato de amonio (NA) como fertilizante convencional y Optic-Set 38N como FLL, en proporciones de 25, 50, 75 y 100% de la dosis total. …”
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REHYDRATE - an international HELPING working group to REtrieve historical HYDRologic dATa and Estimates por Bertola, M., Mazzoglio, P., Gelebo, A. H., Shobha, A. R., Jampani, Mahesh, Singh, S., Prieto, C., Panda, S., Zaifoglu, H., Bhowmik, A., Guesri, M., Dietrich, S., Tegegn, Z., Viglione, A., Bonaccorso, B., Claps, P., Manfreda, S., Koren, G., Moulds, S., Ganapathy, A., Pizarro, A., Lešcešen, I., Jorquera, J., Morbidelli, R., Nearing, G., Treppiedi, D., Alexander, S., Gilite, K., Dallan, E., Otieno, W., Houteta, D. K., Filipova, V., Rosselló-Geli, J., Koriche, S., Faerber, C., Vidal, J.-P., Akpoti, Komlavi, Vincent, K., Aslam, H., Musau, J., Domeneghetti, A., Rahmad, R., Moccia, B., Badji, A., Ceola, S., Jean-Emmanuel, P., Roy, T., Nandikanti, S. S. S., Zhang, Q., Chaffe, P., Mendiondo, E. M., Cudennec, C., Fan, X., Gargouri, E., Izzeddine, M., Korichi, A., Abdessamed, D., Merheb, M., Lamia, R., Slimane, B., De Smeth, K., Goody, N., Newcomer, M., Slama, F., Abdeldjabbar, B. S., Whitaker, A., Surendran, U., Chauhan, G., Montanari, A., Chen, A., Tan, X., Li, Y., Wu, S., Yang, Y., Yao, J., Payne, T.

“…Current tools for data digitization include optical character recognition (OCR) software and manual transcription. …”
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Aeolian sediment mass fluxes on a sandy soil in Central Patagonia por Sterk, Geert, Parigiani, Jacopo, Cittadini, Eduardo Daniel, Peters, Piet, Scholberg, Johannes, Peri, Pablo Luis

“…The latter were installed along three transects: (1) a control on a bare strip of land cleared of its natural vegetation, to measure the maximum wind erosion; (2) a similar transect protected by an artificial windbreak with an optical porosity of 50%; and (3) a transect in a cherry orchard protected with the same type of windbreak. …”
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Estimation of Macro and Micronutrients in Persimmon (Diospyros kaki L.) cv. ‘Rojo Brillante’ Leaves through Vis-NIR Reflectance Spectroscopy por Acosta, Maylin, Visconti, Fernando, Quinones, Ana, Blasco, José, De-Paz, José M.

“…The concentrations of nutrients were determined by inductively coupled plasma optical emission spectrometry (ICP-OES) for P, K, Ca, Mg, Fe, Mn and B after microwave digestion, while the Kjeldahl method was used for N. …”
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Global data and tools for local forest cover loss and REDD+ performance assessment: Accuracy, uncertainty, complementarity and impact por Bos, A.B., Sy, Veronique de, Duchelle, Amy E., Herold, M., Martius, C., Tsendbazar, N.E.

“…We applied human interpretation validation tools using Landsat Time Series data and high-resolution optical imagery. Next, we assessed whether and how combining different datasets can increase accuracies using several combination strategies. …”
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Advances in Amazonian Peatland Discrimination With Multi-Temporal PALSAR Refines Estimates of Peatland Distribution, C Stocks and Deforestation por Bourgeau-Chavez, L.L., Grelik, S.L., Battaglia, M.J., Leisman, D.J., Chimner, R.A., Hribljan, J.A., Lilleskov, E.A., Draper, F.C., Zutta, B.R., Hergoualc'h, Kristell, Bhomia, R.K., Lähteenoja, O.

“…Here we review methods for developing high accuracy peatland maps for the PMFB using a combination of multi-temporal synthetic aperture radar (SAR) and optical remote sensing in a machine learning classifier. …”
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Conservation agriculture affects grain and nutrient yields of maize (Zea mays l.) and can impact food and nutrition security in sub-Saharan Africa por Galani, Yamdeu Joseph Hubert, Ligowe, Ivy Sichinga, Kieffer, Martin, Kamalongo, Donwell, Kambwiri, Alfred Mexon, Kuwali, Pamela, Thierfelder, Christian L., Dougill, Andrew J., Gong, Yun Yun, Orfila, Caroline

“…The minerals were analysed by inductively coupled plasma (ICP) coupled to optical emission spectroscopy (OES) and to mass spectroscopy (MS). …”
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Phenology of short vegetation cycles in a Kenyan rangeland from PlanetScope and Sentinel-2 por Cheng, Yan, Vrieling, Anton, Fava, Francesco P., Meroni, Michele, Marshall, Michael, Gachoki, Stella

“…The short revisit times afforded by recently-deployed optical satellite sensors that acquire 3–30 m resolution imagery provide new opportunities to study seasonal vegetation dynamics. …”
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Building back fairer from the Covid-19 pandemic in South Africa: Some first step reforms in an era of fiscal constraints por Arndt, Channing, Davies, Robert J., Gabriel, Sherwin, Harris, Laurence, Sachs, Michael, van Seventer, Dirk Ernst

“…Turning to the very near term, we underline the need to reduce the uncertainty associated with land reform. In this optic, we recommend consideration of a focus of reform in the near term on favorable dryland areas that can be equipped with supplemental irrigation, with the goal of permitting these areas to specialize in higher value products. …”
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Combining spaceborne lidar from the global ecosystem dynamics Investigation with local knowledge for monitoring fragmented tropical landscapes: A case study in the forest–agricultu... por Cooley, Savannah S, Pinto, Naiara, Becerra, Milagros, Alvarado, Jorge Washington Vela, Fahlen, Jocelyn C, Rivera Rivera, Ovidio, Fricker, G Andrew, Dantas, Augusto Rafael De Los Rios, Aguilar-Amuchastegui, Naikoa, Reygadas, Yunuen, Gan, Julie, Defries, Ruth, Menge, Duncan N L

“…Our findings suggest that lidar‐based relative height metrics can complement local information and other remote sensing approaches that rely on optical imagery, which are limited by extensive cloud cover in the tropics. …”
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Precision nutrient management in conservation agriculture based wheat production of Northwest India: Profitability, nutrient use efficiency and environmental footprint por Sapkota, Tek Bahadur, Majumdar, Kaushik, Jat, Mangi Lal, Kumar, Arvind, Bishnoi, D.K., McDonald AJ, Pampolino M

“…Three SSNM treatments based on NE based recommendation were (1) ‘NE80:20’ with 80% N applied at planting and 20% at second irrigation (2) ‘NE33:33:33’ with N split as 33% basal, 33% at Crown Root Initiation (CRI) and 33% at second irrigation; and (3) ‘NE80:GS’ with N split as 80% basal and further application of N based on optical sensor (Green Seeker™)-guided recommendations. …”
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Evaluation of the antagonistic activity of Rhodotorula babjevae and its extracellular compounds towards postharvest pathogens por Sandberg, Caroline

“…During incubation of the yeast culture, the progress in biomass was meas-ured through optical density (OD) and samples were analyzed using HPLC to measure the glucose concentration. …”
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Förbättrad trombocyträkning hos katt med tillsats av iloprost till EDTA-blod por Bäcklund, Kerstin

Application of near Infrared Spectroscopy to the Quality Control of Citrus Fruits and Mango por Blasco, José, Lorente, Delia, Cortés, Victoria, Talens, Pau, Cubero, Sergio, Munera, Sandra, Aleixos, Nuria

“…NIR spectroscopy is a proved tool to measure the optical properties of the samples, which are related to their chemical and textural properties. …”
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