نتایج جستجو برای: leaf water potential lwp

تعداد نتایج: 1625540  

2006
Z. Li R. Chen

LWP can be retrieved from the microwave signature emitted by cloud droplets. Microwave retrievals of cloud LWP are not applicable over land because of the strong and highly variable microwave emission of the land surface. The emission from ocean surfaces is relatively weak and less variable so cloud LWP can be estimated from satellite observed microwave radiances. However, the accuracy is signi...

2007
D. D. Turner

[1] Radiative transfer modeling through cloudy atmospheres requires accurate measurement of the cloud properties. In liquid water clouds, accurate measurements of the liquid water path (LWP) are required, especially when the LWP is less than 100 g/m. A new ground-based retrieval algorithm was developed that retrieves LWP using infrared (8–13 mm and 3–4 mm) and microwave (23.8 and 31.4 GHz) radi...

2014
Ákos Horváth Chellappan Seethala Hartwig Deneke

We investigated the view angle dependence of domain mean Moderate Resolution Imaging Spectroradiometer (MODIS) liquid water path (LWP) and that of corresponding cloud optical thickness, effective radius, and liquid cloud fraction as proxy for plane-parallel retrieval biases. Independent Advanced Microwave Scanning Radiometer-EOS LWP was used to corroborate that the observed variations with sun-...

Journal: :Notulae Botanicae Horti Agrobotanici Cluj-napoca 2023

The most pressing concern of the century is food security, mostly supported by irrigated agriculture. In this respect, studies on water stress have drawn increased attention with a highlighting expectation foreseen via our breeding efforts documented in study concerning significant commercial strawberry cultivars ‘Rubygem’, ‘Sabrina’ and ‘Festival’ along some selected superior bred lines (‘33’,...

2005
Byung-Gon Kim Stephen A. Klein Joel R. Norris

[1] Liquid water path (LWP) variability at scales ranging from roughly 200 m to 20 km in continental boundary layer clouds is investigated using ground-based remote sensing at the Oklahoma site of the Atmospheric Radiation Measurement (ARM) program. Twelve episodes from the years of 1999 to 2001 are selected corresponding to conditions of overcast, liquid water single-layered cloud. In contrast...

2003
Byung-Gon Kim Stephen E. Schwartz Mark A. Miller Qilong Min

Enhancement of cloud droplet number concentration by anthropogenic aerosols has previously been demonstrated by in-situ measurements, but there remains large uncertainty in the resultant enhancement of cloud optical depth and reflectivity. Detection of this effect is made difficult by the large inherent variability in cloud liquid water path (LWP); the dominant influence of LWP on optical depth...

2010
ALESSANDRO BATTAGLIA PABLO SAAVEDRA THOMAS ROSE CLEMENS SIMMER

A groundbreaking new-concept multiwavelength dual-polarized Advanced Microwave Radiometer for Rain Identification (ADMIRARI) has been built and continuously operated in two field campaigns: the Convective and Orographically Induced Precipitation Study (COPS) and the European Integrated Project on Aerosol Cloud Climate Air Quality Interactions (EUCAARI). The radiometer has 6 channels working in ...

Journal: :Agronomy 2021

Drought represents significant environmental stress, and improving agriculture water management yield is a priority goal. The effect of diminishing soil content in the grain filling (GF) stage, throughout physiological maturity (GM), on quality, leaf potential (LWP), maximum quantum (Fv/Fm) four long photoperiod quinoa genotypes was evaluated South-Central zone Chile, during 2014–2015 2015–2016...

2010
Xue Zheng Bruce Albrecht Patrick Minnis Kirk Ayers Haflidi H. Jonson

[1] The stratocumulus‐topped marine boundary layer (BL), aerosol, and cloud properties observed on research flights made off the coast of northern Chile in the Southeastern Pacific (20°S, 72°W) during the VAMOS Ocean‐Cloud‐ Atmosphere‐Land Study‐Regional Experiment (VOCALS‐ REx) were used to examine the variation of liquid water path (LWP) and cloud condensation nuclei (CCN). Ten flights were m...

2016
FEI HE DEREK J. POSSELT

This study advances the understanding of how parameterized physical processes affect the development of tropical cyclones (TCs) in the Community Atmosphere Model (CAM) using the Reed–Jablonowski TC test case. It examines the impact of changes in 24 parameters across multiple physical parameterization schemes that represent convection, turbulence, precipitation, and cloud processes. The one-at-a...

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