Hong Luan Luan

9 Questions 16 Answers 0 Followers

Questions related from Hong Luan Luan

Calculating emissions from producing stocks rather than just flows in Life Cycle Assessment (LCA) ?

I read many LCA reports in which only the emissions from upstream activities producing flows (i.e. Urea flow to plants or fuel flow to run pump) were considered. Is it not necessary to consider...

04 January 2023 354 1 View

Global data or Ecozone-wise data of Carbon stock by Landuse and Land-cover types?

Can anyone recommend sources to get data of Carbon stocks (Mton C/ ha) by Landuse and Land-cover types (Forest, Annual crops, Perrenial crops, Shrubs etc..)? Data can be at any scale ranging from...

08 September 2022 9,641 0 View

Soil and irrigated water standards for organic agriculture?

Are there any universal or national standards for soil and irrigated water quality in organic farming fields? I need those benchmarks to compared to soil and water samples taken in origanic rice...

10 June 2021 7,761 2 View

Methods for multivariate discrete-time time series clustering?

Can somebody suggest a popular method for clustering multivariate discrete-time time-series data ? My dataset is about water quality parameters taken in 6 stations by seasons in 5 years . Thank...

10 December 2020 7,096 12 View

Accuracy of land-use classification and uncertainties in land-use change assessment?

I am analyzing land-use change in 3 periods. For each period, one land-use map was derived from remote sensing technique along with accuracy of classification. I want to ask if there is any...

24 February 2020 8,226 5 View

Using NDVI time series to assess vegetation change?

Can anyone recommend a key paper explaining in detail the method to assess vegitation change using NDVI time series and applying the method into a specific case study? Input data can be Landsat,...

30 November 2018 6,795 6 View

Application of Mann-Kendall on daily/monthly time series flow data with seasonality?

I want to use Mann-Kendall method to detect trends in time series data. Now I have daily flow data from 1996 until recently, the problem is I learned that Mann-Kendall method is not suitable for...

07 May 2018 6,895 4 View

Analysis of Trends of water level and flow discharge?

I'm going to analyze the trend of water level and flow discharge using time series data. Can you recommend a good paper or website which focuses on this task? I have no hydrological background so...

06 May 2018 2,181 9 View

What size of moving window to calculate diversity of landscape?

Can anybody suggest a robust way to decide the size of moving window to to assess landscape diversity? I have a raster land use map with resolution 10 x 10m. Now I want to calculate diversity...

01 January 1970 10,083 3 View