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海洋光学领域的缩略词 abbreviations in ocean optics
刘洋洋 2017-2-25 01:46
CDM: coloured detrital material (IOCCG, 2006). It is the combination of CDOM and detritus. PAR: photosynthetically available radiation. It is the part of the electro-magnetic spectrum between 400 and 700 nm.
个人分类: Ocean optics|1561 次阅读|没有评论
MODIS spatial resolution
刘洋洋 2017-2-20 16:52
modis.gsfc.nasa.gov/about/specifications.php Spatial Resolution: 250 m (bands 1-2), 500 m (bands 3-7), 1000 m (bands 8-36) . Ocean Color/Phytoplankton/Biogeochemistry: bands 8-16
个人分类: Ocean optics|1630 次阅读|没有评论
RS: algorithm description for NASA ocean color products
刘洋洋 2016-12-16 18:15
The Ocean Biology Processing Group (OBPG) produces and distributes a standard suite of ocean color products for all compatible sensors at Level-2 and Level-3, plus sea surface temperature (SST) products from MODIS. The OBPG also produces a suite of Level-3 evaluation products. Descriptions an ...
个人分类: Ocean optics|1763 次阅读|没有评论
RS: how to download MODIS-Aqua Level 2 data
刘洋洋 2016-12-16 00:21
1. Go to NASA Oceancolor Webpage: http://oceancolor.gsfc.nasa.gov/cms/ 2. DATA - Data Browsers - Level 12 Browser , and the download screen is displayed with a number of sections (see below pictures): Top left: sensor dataset selection; Top middle and right: geographic ...
个人分类: Ocean optics|2490 次阅读|没有评论
UTC: Coordinated Universal Time 协调世界时
刘洋洋 2016-5-13 16:25
See originals: http://www.ntp.org/ntpfaq/NTP-s-time.htm http://weather.msfc.nasa.gov/utc.html Cooridinated Universal Time, abbreviated as UTC, is an international official time standard . Weather observations around the world (including surface, radar and other observations) a ...
个人分类: Ocean optics|3627 次阅读|没有评论
Multispectral VS Hyperspectral imagery
刘洋洋 2016-3-31 21:05
See originals: 1. http://gisgeography.com/multispectral-vs-hyperspectral-imagery-explained/ 2. http://www.asdi.com/applications/remote-sensing/spectral-remote-sensing Multispectral and hyperspectral sensors give the power to see the visible, infrared and ultraviolet spectra by measuring ...
个人分类: Ocean optics|2842 次阅读|没有评论
Measurement units: ppm, ppb, ppt
刘洋洋 2016-3-23 01:20
1 ppm = 1,000 ppb = 1,000,000 ppt parts per million 百万 - ppm 1 ppm = 1 milligram/kilogram (mg/kg) 1 ppm = 1 milligram/liter (mg/l) 1 ppm = 1 microgram/gram(μg/g) 1 ppm = 0.0001 % = $10^{-6}$ parts per billion 十亿 - ppb 1 ppb = 1 microgram/kilogram (μg/kg) 1 ppb = 1 m ...
个人分类: Ocean optics|3275 次阅读|没有评论
The Beer-Lambert Law
热度 1 刘洋洋 2016-3-22 23:15
See originals: 1. http://chemwiki.ucdavis.edu/Core/Physical_Chemistry/Spectroscopy/Electronic_Spectroscopy/Electronic_Spectroscopy_Basics/The_Beer-Lambert_Law 2. https://terpconnect.umd.edu/~toh/models/BeersLaw.html The absorbance of a solution Absorbance, denoted as $A$, is defined as t ...
个人分类: Ocean optics|3980 次阅读|1 个评论 热度 1
IOCCG report reading notes: 6. Ocean-Color Data Merging
刘洋洋 2016-3-9 03:19
Rewrite the report in my own words for better understanding (personal use). Chapter 1 Introduction Phytoplankton plays an important role in the global carbon cycle. It is responsible for approximately half of the global photosynthetic uptake of carbon (Field et al., 1998). Chl conc ...
个人分类: Ocean optics|2094 次阅读|没有评论

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